Using Native-code COM From Unsafe CLR Stored Procedure?
Sep 27, 2006
Hello, everyone.
I have to make a gateway to access third-party closed-source native-code COM objects. As an interface, SQL Server stored procedures are absolutely perfect for my needs. I decided to use SQL Server 2005 CLR rather than using deprecated extended stored procedures or accessing COM objects directly through SQL Server. (This decision is aided by the fact that the third party has plans to make a .NET version of their COM objects "really soon now" (i.e.: not soon enough). Backporting their new interface to my abstraction layer will be very simple.)
I'm having problems using these COM objects from my SQL Server 2005 CLR stored procedure. When I try to run my stored procedure, I get the error below. It appears that SQL Server/CLR refuses to perform the disk access necessary to load the COM object from disk so that it can instantiate it. (My message continues after the error.)
Msg 6522, Level 16, State 1, Procedure MyStoredProcedure, Line 0
A .NET Framework error occurred during execution of user defined routine or aggregate 'MyStoredProcedure':
System.IO.FileLoadException: LoadFrom(), LoadFile(), Load(byte[]) and LoadModule() have been disabled by the host.
System.IO.FileLoadException:
at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection)
at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)
at System.Reflection.Assembly.InternalLoadFrom(String assemblyFile, Evidence securityEvidence, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm, Boolean forIntrospection, StackCrawlMark& stackMark)
at System.Reflection.Assembly.LoadFrom(String assemblyFile, Evidence securityEvidence, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm)
at System.Activator.CreateComInstanceFrom(String assemblyName, String typeName, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm)
at System.Activator.CreateComInstanceFrom(String assemblyName, String typeName)
at UserDefinedFunctions.MyStoredProcedure()
.
I'll outline the steps I performed so far to get the assembly working:
Ensured I was running at SQL Server 2005 compatibility level. (90)
- Installed and configured the third-party COM objects on my devel box and my DB box. They registered themselves properly.
- Enabled CLR in the DB.
- Made sure the DB owner has UNSAFE ASSEMBLY permission.
- Added the TRUSTWORTHY property to the DB. (Yes, this isn't the "correct" way to do it, but I didn't want to deal with code-signing voodoo. Apologies to actual believers in voodoo.)
- Created an Unsafe assembly "MyAssembly" in SQL Server 2005 and Visual Studio 2005.
- Created all the necessary Interop assemblies (by creating a normal (non-SQL) C# project and building my code, and raiding the bin directory).
- Added these Interop assemblies to SQL Server 2005 as Unsafe assemblies.
- In VS2005, built my SQL Project code and deployed successfully.
- Tried running my stored procedure through a Query window, and I got the error above.
I've done many searches. All of the results I've found concern themselves with Web Services and XML serialization, and suggest using sgen.exe. I don't think they're relevant to my problem. A few said I should add my COM DLLs as assemblies to SQL Server, but that is impossible for native code DLLs. I found something that hinted at tblexp.exe, but I didn't understand how that could help me. I already figured out a way to get me the Interop libs.
Efforts at solving:
- Reading webpages for hours on end.
- I tried using sgen.exe to create the XML serialization assembly, but it didn't help.
- I tried adding various native-code DLLs directly as SQL Server assemblies, but you can bet it didn't like that.
- A few other pitiful attempts not worth mentioning.
- Reading this forum. I didn't see anything that applied.
- Posting here.
I really wish Microsoft had meant what they said when they stated that "Unsafe" assemblies can access anything, instead of trying to protect developers from their folly.
Any insights on getting those COM objects to work in my CLR stored procedure? Thank you.
-Tony Flay
View 3 Replies
ADVERTISEMENT
Jul 4, 2007
Hello,
I develop a database that notifies clients when data changes by sending an UDP broadcast message using an extended stored procedure. Now I want to use a CLR stored procedure to send the UDP broadcast instead:
using System;
using System.Data.SqlTypes;
using Microsoft.SqlServer.Server;
using System.Net.Sockets;
public partial class UserDefinedFunctions
{
[SqlProcedure]
public static void UdpSend(SqlString address, SqlInt32 port, SqlString message)
{
System.Net.Sockets.UdpClient client = new System.Net.Sockets.UdpClient();
byte[] datagram = message.GetUnicodeBytes();
client.Send(datagram, datagram.Length, (string)address, (int)port);
}
};
I have found that to be allowed to send to 255.255.255.255 I must give the assembly permission set 'Unsafe'. If I change to 'External access' I get:
Msg 6522, Level 16, State 1, Procedure UdpSend, Line 0
A .NET Framework error occurred during execution of user defined routine or aggregate 'UdpSend':
System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
System.Security.SecurityException:
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net.Sockets.Socket.CheckSetOptionPermissions(SocketOptionLevel optionLevel, SocketOptionName optionName)
at System.Net.Sockets.UdpClient.CheckForBroadcast(IPAddress ipAddress)
at System.Net.Sockets.UdpClient.Send(Byte[] dgram, Int32 bytes, String hostname, Int32 port)
at UserDefinedFunctions.UdpSend(SqlString address, SqlInt32 port, SqlString message)
I cannot use permission set 'Unsafe' in production environment, so what I want is to customize the effective permissions with higher resoloution than the three pre-defined permission sets 'Safe', 'External access' and 'Unsafe'. Except from what is allowed by 'Safe' I only want the permissions necessary to send an UDP broadcast.
Anyone who has something like this ?
View 4 Replies
View Related
Feb 24, 2008
Hello,
I'm using ASP.Net to update a table which include a lot of fields may be around 30 fields, I used stored procedure to update these fields. Unfortunatily I had to use a FormView to handle some TextBoxes and RadioButtonLists which are about 30 web controls.
I 've built and tested my stored procedure, and it worked successfully thru the SQL Builder.The problem I faced that I have to define the variable in the stored procedure and define it again the code behind againALTER PROCEDURE dbo.UpdateItems
(
@eName nvarchar, @ePRN nvarchar, @cID nvarchar, @eCC nvarchar,@sDate nvarchar,@eLOC nvarchar, @eTEL nvarchar, @ePhone nvarchar,
@eMobile nvarchar, @q1 bit, @inMDDmn nvarchar, @inMDDyr nvarchar, @inMDDRetIns nvarchar,
@outMDDmn nvarchar, @outMDDyr nvarchar, @outMDDRetIns nvarchar, @insNo nvarchar,@q2 bit, @qper2 nvarchar, @qplc2 nvarchar, @q3 bit, @qper3 nvarchar, @qplc3 nvarchar,
@q4 bit, @qper4 nvarchar, @pic1 nvarchar, @pic2 nvarchar, @pic3 nvarchar, @esigdt nvarchar, @CCHName nvarchar, @CCHTitle nvarchar, @CCHsigdt nvarchar, @username nvarchar,
@levent nvarchar, @eventdate nvarchar, @eventtime nvarchar
)
AS
UPDATE iTrnsSET eName = @eName, cID = @cID, eCC = @eCC, sDate = @sDate, eLOC = @eLOC, eTel = @eTEL, ePhone = @ePhone, eMobile = @eMobile,
q1 = @q1, inMDDmn = @inMDDmn, inMDDyr = @inMDDyr, inMDDRetIns = @inMDDRetIns, outMDDmn = @outMDDmn,
outMDDyr = @outMDDyr, outMDDRetIns = @outMDDRetIns, insNo = @insNo, q2 = @q2, qper2 = @qper2, qplc2 = @qplc2, q3 = @q3, qper3 = @qper3,
qplc3 = @qplc3, q4 = @q4, qper4 = @qper4, pic1 = @pic1, pic2 = @pic2, pic3 = @pic3, esigdt = @esigdt, CCHName = @CCHName,
CCHTitle = @CCHTitle, CCHsigdt = @CCHsigdt, username = @username, levent = @levent, eventdate = @eventdate, eventtime = @eventtime
WHERE (ePRN = @ePRN)
and the code behind which i have to write will be something like thiscmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@eName", ((TextBox)FormView1.FindControl("TextBox1")).Text);cmd.Parameters.AddWithValue("@ePRN", ((TextBox)FormView1.FindControl("TextBox2")).Text);
cmd.Parameters.AddWithValue("@cID", ((TextBox)FormView1.FindControl("TextBox3")).Text);cmd.Parameters.AddWithValue("@eCC", ((TextBox)FormView1.FindControl("TextBox4")).Text);
((TextBox)FormView1.FindControl("TextBox7")).Text = ((TextBox)FormView1.FindControl("TextBox7")).Text + ((TextBox)FormView1.FindControl("TextBox6")).Text + ((TextBox)FormView1.FindControl("TextBox5")).Text;cmd.Parameters.AddWithValue("@sDate", ((TextBox)FormView1.FindControl("TextBox7")).Text);
cmd.Parameters.AddWithValue("@eLOC", ((TextBox)FormView1.FindControl("TextBox8")).Text);cmd.Parameters.AddWithValue("@eTel", ((TextBox)FormView1.FindControl("TextBox9")).Text);
cmd.Parameters.AddWithValue("@ePhone", ((TextBox)FormView1.FindControl("TextBox10")).Text);
cmd.Parameters.AddWithValue("@eMobile", ((TextBox)FormView1.FindControl("TextBox11")).Text);
So is there any way to do it better than this way ??
Thank you
View 2 Replies
View Related
Nov 6, 2007
I am building a stored procedure that changes based on the data that is available to the query. See below.
The query fails on line 24, I have the line highlighted like this.
Can anyone point out any problems with the sql?
------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
This is the error...
Msg 8114, Level 16, State 5, Procedure sp_SearchCandidatesAdvanced, Line 24
Error converting data type varchar to numeric.
------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
This is the exec point...
EXEC [dbo].[sp_SearchCandidatesAdvanced]
@LicenseType = 4,
@PositionType = 4,
@BeginAvailableDate = '10/10/2006',
@EndAvailableDate = '10/31/2007',
@EmployerLatitude = 29.346675,
@EmployerLongitude = -89.42251,
@Radius = 50
GO
------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
This is the STORED PROCEDURE...
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[sp_SearchCandidatesAdvanced]
@LicenseType int = 0,
@PositionType int = 0,
@BeginAvailableDate DATETIME = NULL,
@EndAvailableDate DATETIME = NULL,
@EmployerLatitude DECIMAL(10, 6),
@EmployerLongitude DECIMAL(10, 6),
@Radius INT
AS
SET NOCOUNT ON
DECLARE @v_SQL NVARCHAR(2000)
DECLARE @v_RadiusMath NVARCHAR(1000)
DECLARE @earthRadius DECIMAL(10, 6)
SET @earthRadius = 3963.191
-- SET @EmployerLatitude = 29.346675
-- SET @EmployerLongitude = -89.42251
-- SET @radius = 50
SET @v_RadiusMath = 'ACOS((SIN(PI() * ' + @EmployerLatitude + ' / 180 ) * SIN(PI() * p.CurrentLatitude / 180)) + (COS(PI() * ' + @EmployerLatitude + ' / 180) * COS(PI() * p.CurrentLatitude / 180) * COS(PI()* p.CurrentLongitude / 180 - PI() * ' + @EmployerLongitude + ' / 180))) * ' + @earthRadius
SELECT @v_SQL = 'SELECT p.*, p.CurrentLatitude, p.CurrentLongitude, ' +
'Round(' + @v_RadiusMath + ', 0) AS Distance ' +
'FROM ProfileTable_1 p INNER JOIN CandidateSchedule c on p.UserId = c.UserId ' +
'WHERE ' + @v_RadiusMath + ' <= ' + @Radius
IF @LicenseType <> 0
BEGIN
SELECT @v_SQL = @v_SQL + ' AND LicenseTypeId = ' + @LicenseType
END
IF @PositionType <> 0
BEGIN
SELECT @v_SQL = @v_SQL + ' AND Position = ' + @PositionType
END
IF LEN(@BeginAvailableDate) > 0
BEGIN
SELECT @v_SQL = @v_SQL + ' AND Date BETWEEN ' + @BeginAvailableDate + ' AND ' + @EndAvailableDate
END
--SELECT @v_SQL = @v_SQL + 'ORDER BY CandidateSubscriptionEmployerId DESC, CandidateFavoritesEmployerId DESC, Distance'
PRINT(@v_SQL)
EXEC(@v_SQL)
-----------------------------------------------------------------------------------------------------------------
View 4 Replies
View Related
Jul 16, 2007
Hi,
What is the best way to have native win32 code tell SQL Server 2005 Express to synchronize for merge replication? What API should I use? Should I exec the distrib.exe and/or replmerg.exe command line utilities? Should I use "Windows Synchronization Manager"? Are they other options?
Thanks,
Bryan
View 4 Replies
View Related
Jun 26, 2007
I've been searching for a bit but I can't seem to find a difinitive answer.
Can an SQL Server trigger call native C/C++ functions? If so, what is the mechanism?
Thanks in advance.
View 7 Replies
View Related
Jul 2, 2004
I have the following stored procedure in sql server 2000:
(@nsn varchar 15 int,
@item_nam varchar 255 ouput
)
AS
declare @stockquantity int
select @stockquantity = stockquantity
from inventory
where stockquantity = 0
select @item_nam = item_nam
from inventory where nsn = @nsn
delete from inventory
where nsn = @nsn
and stockquantity = 0
GO
what would the vb.net code be to display the item_nam if the query was successful in deleting a record, but would then retutrn a different mesage if the item was not deleted becasuse the stockquantity was not equal to zero. Right now it returns the item_nam even if the record wsa not deleted.
ANy help is much appreciated.
View 1 Replies
View Related
Jul 23, 2005
I don't know if this is possible. However, what i am attempting to do isusing C#'s window forms. I open up an excell sheet stored in my windowsform. The excel sheet stores names of the stored procedures in thatdatabase. I want to know if it's possible to click on that storedprocedure to open up a link to display the code of that stored procedure ofcourse in a read only mode.any suggestions....
View 2 Replies
View Related
Sep 22, 2007
hi all,i need to convert these simple PHP code into stored procedure :<?php$result=mssql_query( "SELECT whid, whcode FROM warehouse" );while( $wh = mssql_fetch_object( $result ) ){$result=mssql_query( "SELECT plid, nopl FROM packlist WHERE whid ='" . $wh->whid . "'";while( $pl = mssql_fetch_object( $result ) ){$result=mssql_query( "SELECT qty FROM packlistnmat WHERE plid ='" . $pl->plid . "'";while( $pln = mssql_fetch_object( $result ) ){echo "Stock from " . $wh->whcode . " AND Packing List number " .$pl->plid . " = " . $pln->qty;}}}?>my focus is in nested query, then i can call each field from the query(SELECT whid, whcode...) in sub query.thanks,aCe
View 4 Replies
View Related
Jan 8, 2008
help BUG in my sql code
i can not see this employee 111111 whan i run this code
SELECT 111111,1,'19/01/2008','29/01/2008' UNION ALL
TNX
Code Block
------------------------
-- create mod cycle shift pattern
------------------------
DECLARE
@shifts_pattern TABLE
(
[PatternId] [int] IDENTITY(1,1 ) NOT NULL,[patternShiftValue] [int]NOT NULL)
declare
@I int
set
@i=0
while
@i < 5
BEGIN
INSERT INTO @shifts_pattern ([patternShiftValue] )
SELECT 1 UNION ALL
SELECT 2 UNION ALL
SELECT 3 UNION ALL
SELECT 4 UNION ALL
SELECT 5 UNION ALL
SELECT 6 UNION ALL
SELECT 7 UNION ALL
SELECT 8
set
@i=@i+1
end
-- select * from @shifts_pattern
--- end shift pattern
--------------------------------
declare
@empList
TABLE
( [empID] [numeric](18, 0) NOT NULL,[ShiftType] [int]NULL,[StartDate][datetime]NOT NULL,[EndDate] [datetime] NOT NULL) INSERT INTO
@empList ([empID], [ShiftType],[StartDate],[EndDate])
SELECT 111111,1,'19/01/2008','29/01/2008' UNION ALL
SELECT 222222,2,'29/01/2008','30/01/2008' UNION ALL
SELECT 333333,3 ,'27/01/2008','30/01/2008' UNION ALL
SELECT 444444,5 ,'26/01/2008','30/01/2008'
--------------------------------
-- create shifts table
declare
@empShifts
TABLE
( [empID] [numeric](18, 0) NOT NULL,[ShiftDate] [datetime]NOT NULL,[ShiftType] [int]NULL
,[StartDate] [datetime]NOT NULL,[EndDate] [datetime]NOT NULL)
DECLARE
@StartDate datetime
DECLARE
@EndDate datetime
Declare
@current datetime
DEclare
@last_shift_id int
Declare
@input_empID int
--SET
----@StartDate = StartDate
---- last day of next month
--SET
--@EndDate = EndDate
--@StartDate = DATEADD(m ,2,GETDATE()-DAY (GETDATE()) + 1 )
---- last day of next month
--SET
--@EndDate = DATEADD(m ,3,GETDATE()-DAY (GETDATE()) + 1)- 1
--set
--@current = @StartDate
----
----------------- open list table for emp with curser
DECLARE
List_of_emp CURSOR FOR
SELECT
emp.empId,emp.ShiftType,emp.StartDate,emp.EndDate FROM @empList emp
OPEN
List_of_emp
FETCH
List_of_emp INTO @input_empID , @last_shift_id ,@StartDate,@EndDate
-----------------
-- loop on all emp in the list
while
@@Fetch_Status = 0
begin
-- loop to insert info of emp shifts
while
@current<=@EndDate
begin
INSERT INTO @empShifts ([empID],[ShiftDate],[ShiftType],[StartDate] ,[EndDate])
select @input_empID ,@current,shift .patternShiftValue ,@StartDate,@EndDate
from @shifts_pattern as shift where PatternId=@last_shift_id+1
-- if it is Friday and we are on one of the first shift we don't move to next shift type .
if (DATENAME(dw ,@current) = 'Friday' ) and
EXISTS(select ShiftType from @empShifts where ShiftDate=@current and empID= @input_empID and ShiftType in ( 1,2,3))
-- do nothing
--set @last_shift_id=@last_shift_id
print ('friday first shift')
ELSE
set @last_shift_id=@last_shift_id+ 1
set @current=DATEADD( d,1, @current)
end
FETCH
List_of_emp INTO @input_empID ,@last_shift_id,@StartDate,@EndDate
-- init of start date for the next emp
set
@current = @StartDate
end
CLOSE
List_of_emp
DEALLOCATE
List_of_emp
select
empID,shiftDate,DATENAME (dw,shift.ShiftDate ), shiftType from @empShifts as shift
RETURN
View 1 Replies
View Related
Nov 3, 2006
I need to have my middle tier code get the T-SQL code for a stored procedure. So, I need to create a string something like:
string tsqlCode = @"CREATE PROCEDURE "NSInsertGenerator"
@GeneratorName NVARCHAR(255),
@SystemName NVARCHAR(255),
@ThreadPoolSize INT,
@ActivationState TINYINT
AS
INSERT INTO "NSGenerators"
( GeneratorName, SystemName, ThreadPoolSize, ActivationState)
VALUES(@GeneratorName, @SystemName, @ThreadPoolSize, @ActivationState)
GO"
This string will be analyzed by the middle tier code so that the list of parameters for this procedure will be built dynamically depending on the current version of this stored procedure.
We are using SQL Server 2000 SP4.
Could someone recommend me how I can get T-SQL code of a stored procedure, please?
Thanks a lot!
View 4 Replies
View Related
Feb 26, 2007
I'm getting this error while executing a SQLCECommand (ExecuteNonQuery):
Native Code: 25009
Massage: Unspecified error
HResult: 2147467259
Source: SQL Server 2005
Mobile Edition ADO.NET
Data Provider
This happens only sometimes. If I recreate the command object and executing it again (with the same connection object) no error occurs.
Except for this case the application works fine.
Thanks,
Laschek
View 1 Replies
View Related
Apr 3, 2007
Pls check my code for the stored procedure which i created for the companydetails including companyid P.K. Not Null int(4),companyname Not Null varchar (20),address varchar(30) where companyid is the primary key and it should be autogenerate.I also want that it should check if the name exits or not.It should also check that the field is entered and not kept null.If it's null then should return the error message.I want to write the queries select,insert,update and delete in the single stored procedure.How can i differ all the query individually in a stored procedure.The select and insert query are done on the button click event whereas the update,delete queries are performed in the gridview link event. Pls help me and modify my code accordingly with ur suggestions who know
the stored procedure very well.First read what i want then give reply.waiting for the reply and with corrections.The coding is perfomed in sql server 2005 and asp.net with C# 2005, 1 ALTER PROCEDURE CompanyStoredProcedure2 @uspcompanyid int,3 @uspcompanyname varchar(20),4 @uspaddress1 varchar(30), 5 @frmErrorMessage as varchar(256) OUTPUT,6 @RETURNVALUE as int OUTPUT,7 @RETURNID as int OUTPUT8 AS9 declare
10 @companyid int,11 @companyname varchar(20),12 @address1 varchar(30) 13 14 BEGIN15 16 begin17 Select @RETURNVALUE = -918 RETURN -919 end20 21 begin22 Select @frmErrorMessage = 'The Operation Mode Has Not Been Specified'
23 return -924 end25 26 27 28 begin 29 --validation...
30 if (@uspcompanyname is Null or @uspcompanyname = '')31 begin32 Select @RETURNVALUE = -933 select @frmErrorMessage = 'Company Name is empty'
34 return -935 end 36
37 if exists (select companyid from companymaster 38 where upper(companyname) = upper(cast(@uspcompanyname as varchar(20))))39 begin40 select @companyid = companyid from companymaster 41 where upper(companyname)=upper(cast(@uspcompanyname as varchar(20) ) )42 end43 else 44 45 select @companyname= cast (@uspcompanynameas varchar(20))46 select @address1= cast(@uspaddress1 as varchar(30))47 select @companyid = isnull(max(companyid),0) + 1 from companymaster48 49 IF exists(SELECT * from companymaster where companyname=@companyname)50 begin51 Select @frmErrorMessage = 'Record With Company Name ' 52 + @companyname + ' is Already Exisiting For The Company Name ' 53 return -954 end 55 56 -- the following codes inserts
57 begin transaction58 INSERT INTO companymaster59 ( companyname, address1)60 VALUES (@companyname,@address1)61 commit transaction62 63 select @RETURNVALUE = 064 select @RETURNID = @companyid65 66 end67 68 69 -- the following codes edit/updates
70 begin71 UPDATE companymaster 72 SET companyname=@companyname,73 address1=@address1 74 WHERE companyid =cast(@uspcompanyid as int)75 76 select @RETURNVALUE = 077 select @RETURNID = cast(@uspcompanyid as int)78 end79 -- the following codes delete
80 begin81 DELETE companymaster WHERE (companyid = @companyid)82 end 83 84 END 85
Pls help me and modify my code accordingly with ur suggestions who know the stored procedure very well.First read what i want then give reply.
View 4 Replies
View Related
Dec 23, 2007
I have looked all around and I am having no luck trying to figure out how to alter a stored procedure within an asp.net application.Here is a short snippet of my code, but it keeps erroring out on me.Try myCommand.CommandText = "Using " & DatabaseName & vbNewLine & Me.txtStoredProcedures.Text myCommand.ExecuteNonQuery() myTran.Commit()Catch ex As Exception myTran.Rollback() Response.Write(ex.ToString())End Try The reason for this is because I have to propagate stored procedures across many databases and was hoping to write an application for it.Basically the database name is coming from a loop statement and I just want to keep on going through all the databases that I have chosen and have the stored procedure updated (altered) automatically So i thought the code above was close, but it keeps catching on me. Anybody's help would be greatly appreciated!!!
View 3 Replies
View Related
Jul 12, 2007
Hi,
I am using vs2005, vc++, sql2005 and trying to write a complex extended stored procedure.
It seems I must use switch clrafe for my executable to deploy to sql.
But with clrafe, I can no longer use such c code tools such as typedef structures and pointer manipulation!
But I need to do these things to translate a contiuous block of binary data into a series of field/value pairs to be written to the sql server!!! Doing so externally would mean a severe drop in throughput: going back to the server for each field instead of all as one block!
Is there a technique, or pragma command to allow "unmanaged" c code to reside in a sql extended stored procedure?
View 15 Replies
View Related
Apr 14, 2008
Hi,
I'm not sure if this is really the right place for this but it is related to my earlier post. Please do say if you think I should move it.
I created a Stored procedure which I want to run from Visual basic (I am using 2008 Express with SQL Sever 2005 Express)
I have looked through many post and the explaination of the sqlConection class on the msdn site but I am now just confussed.
Here is my SP
ALTER PROCEDURE uspSelectBarItemID2
(
@BarTabID INT,
@DrinkID INT,
@ReturnBarItemID INT OUTPUT
)
AS
BEGIN
SELECT @ReturnBarItemID = barItemID
FROM [Bar Items]
WHERE (BarTabID = @BarTabID) AND (DrinkID = @DrinkID)
END
In VB I want to pass in the BarTabID and DrinkID varibles (Which Im grabbing from in as int variables) to find BarItemID in the same table and return it as an int.
What I dont understand is do I have to create a unique connection to my database because it is already liked with a dataset to my project with a number of BindingSources and TableAdapters.
Is there an easier way, could I dispense with SP and just use SQL with the VB code, I did think the SP would be neater.
Cheers.
View 11 Replies
View Related
Jul 14, 2006
Can someone show me how to use SqlDataSource to call stored procedure in a c# class (a support class for aspx) and not in aspx or code-behind?
View 20 Replies
View Related
Mar 15, 2008
hi all
I have to execute the stored procedure from code file
string constr = ConfigurationSettings.AppSettings["ConnectionString"];SqlConnection con = new SqlConnection(constr);con.Open();SqlCommand cmd = new SqlCommand("GetTax",con);cmd.CommandType = CommandType.StoredProcedure;SqlParameter paramFrom = new SqlParameter("@from", SqlDbType.VarChar, 50);paramFrom.Value = "JFK";SqlParameter paramTo = new SqlParameter("@To", SqlDbType.VarChar,50);paramTo.Value = "HOU";SqlParameter paramAirline = new SqlParameter("@Airline", SqlDbType.VarChar,50);paramAirline.Value = "US";SqlParameter rpTax = new SqlParameter("@Tax",SqlDbType.Int);rpTax.Direction = ParameterDirection.Output;cmd.Parameters.Add(rpTax);
insted of this way can i execute stored procedure any other way
like
exec MystoredProc "param1"."param2","param3"
i appreciate u r help
View 2 Replies
View Related
May 9, 2008
Hi all, I wonder if you can help me with this. Basically, Visual Web Developer doesn't like this part of my code despite the fact that the stored procedure has been created in MS SQL. It just won't accept that bold line in the code below and even when I comment it just to cheat, it still gives me an error about the Stored Procedure. Here's the line of code: // Define data objects SqlConnection conn; SqlCommand comm; // Initialize connection string connectionString = ConfigurationManager.ConnectionStrings[ "pay"].ConnectionString; // Initialize connection conn = new SqlConnection(connectionString); // Create command comm = new SqlCommand("UpdatePaymentDetails", conn); //comm.CommandType = CommandType.StoredProcedure; // Add command parameters comm.Parameters.Add("PaymentID", System.Data.SqlDbType.Int); comm.Parameters["PaymentID"].Value = paymentID; comm.Parameters.Add("NewPayment", System.Data.SqlDbType.VarChar, 50); comm.Parameters["NewPayment"].Value = newPayment; comm.Parameters.Add("NewInvoice", System.Data.SqlDbType.VarChar, 50); comm.Parameters["NewInvoice"].Value = newInvoice; comm.Parameters.Add("NewAmount", System.Data.SqlDbType.Money); comm.Parameters["NewAmount"].Value = newAmount; comm.Parameters.Add("NewMargin", System.Data.SqlDbType.VarChar, 50); comm.Parameters["NewMargin"].Value = newMargin; comm.Parameters.Add("NewProfit", System.Data.SqlDbType.Money); comm.Parameters["NewProfit"].Value = newProfit; comm.Parameters.Add("NewEditDate", System.Data.SqlDbType.DateTime); comm.Parameters["NewEditDate"].Value = newEditDate; comm.Parameters.Add("NewQStatus", System.Data.SqlDbType.VarChar, 50); comm.Parameters["NewQStatus"].Value = newQStatus; comm.Parameters.Add("NewStatus", System.Data.SqlDbType.VarChar, 50); comm.Parameters["NewStatus"].Value = newStatus; // Enclose database code in Try-Catch-Finally try { conn.Open(); comm.ExecuteNonQuery(); }
View 7 Replies
View Related
Dec 1, 2003
Hi. I have records that have a status of either approved, not approved or unknown. I want to create a crystal report that shows a summary of the records - in short how many of each and what percentage. How can I do this? The approved, not approved and unknown are not number columns so I can't add them to get a total. I know I can create a cursor in T-SQL to get the counts but how do I send them back to the asp.net code?
---------------------
Here is part of the cursor I have created.
IF @@FETCH_STATUS = 0
BEGIN
IF @txtPrintSuit = 'U' SELECT @numUnkCount = @numUnkCount + 1
IF @txtPrintSuit = 'Y' SELECT @numSuitCount = @numSuitCount + 1
IF @txtPrintSuit = 'N' SELECT @numUnsuitCount = @numUnsuitCount + 1
FETCH curs_Briefs INTO @txtPrintSuit
END
------------
How do I get @numUnkCount, @numSuitCount and @numUnsuitCount back to the asp.net application? Can the RETURN statement hold more than one value?
THanks in advance
View 4 Replies
View Related
Oct 19, 2005
How to Decrypt the SQL Encrypted Stored procedure in ASP.NET (i.e.vb code)Pls let me know ASAP.Thanks.
View 1 Replies
View Related
Nov 10, 2007
I have some long running stored procedures that I invoke from ADO.NET (using Typed Datasets).
Inside the stored procedure, I like to keep track of the execution by using the PRINT command.
Is there a way of extracting and displaying this PRINT information in .NET during the stored procedure execution?
View 4 Replies
View Related
Aug 7, 2007
Was wondering which is better, writing the SQL code within the execute SQL task or calling a SP from within it with respect to performance? and what is the best practice? Also is there any way to incoporate the logic of a cursur within SSIS?
Thanks
View 3 Replies
View Related
Aug 3, 2007
Howdy folks! (I feel im creating too many topics...but all my questions are unrelated :-/)
Dev environment: SSCE, Native c++ OLE code, Win CE 5
I have a routine that calculates the size of a set of columns in order to create a byte buffer for retrieving data from an IRowset and inserting it into a custom class. This method works great for all data types except ntext. When I look at the column information from an ntext field, the DBCOLUMNINFO::ulColumnSize member holds 536,870,911 (the max length of an ntext type). Obviously I dont want to allocate 1GB of memory for each ntext column. Is there anyway (natively) to determine the actual number of characters in a field?
View 12 Replies
View Related
Jun 28, 2006
Hi
I was transferring objects of my existing database from remote to local and I recieved this error during the DTS process. It was on the transfer of the following stored procedure. I tried to create this SP manually but its giving me the same error and doesn't create it. I don't know how to fix it.
I wonder if somebody can help me! Thanks in Advance
[450] Code page translations are not supported for the text data type. From: 1252 To: 1256.
CREATE PROCEDURE dbo.Novasoft_DL_UpdateDownloadsRating @RatingID int, @DownloadID int, @UserID int, @Rating int, @Comment text, @ReviewDate datetime, @CommentName nvarchar(50) ASUPDATE dbo.Novasoft_DL_DownloadsRating SET [DownloadID] = @DownloadID, [UserID] = @UserID, [Rating] = @Rating, [Comment] = @Comment, [ReviewDate] = @ReviewDate, [CommentName] = @CommentNameWHERE [RatingID] = @RatingID
GO
View 1 Replies
View Related
Apr 18, 2007
My stored procedure works and codes is working except I need to capture the return value from the stored procedure and use that value in my code behind page to indicate that a duplicate record entry was attempted. In my code behind file (VB) how would I capture the value "@myERROR" then display in the label I have that a duplicate entry was attempted.
Stored ProcedureCREATE PROCEDURE dbo.usp_InsertNew @IDNumber nvarchar(25), @ID nvarchar(50), @LName varchar(50), @FName varchar(50)
AS
DECLARE @myERROR int -- local @@ERROR , @myRowCount int --local @@rowcountBEGIN -- See if a contact with the same name and zip code exists IF EXISTS (Select * FROM Info WHERE ID = @ID) BEGIN RETURN 1END ELSEBEGIN TRAN INSERT INTO Info(IDNumber, ID, LName, FName) VALUES (@IDNumber, @ID, @LName, @FName) SELECT @myERROR = @@ERROR, @myRowCount = @@ROWCOUNT If @myERROR !=0 GOTO HANDLE_ERROR
COMMIT TRAN RETURN 0 HANDLE_ERROR: ROLLBACK TRAN RETURN @myERROR ENDGO
asp.net page<asp:SqlDataSource ID="ContactDetailDS" runat="server" ConnectionString="<%$ ConnectionStrings:EssPerLisCS %>" SelectCommand="SELECT * FROM TABLE_One" UpdateCommand="UPDATE TABLE_One WHERE ID = @ID" InsertCommand="usp_InsertNew" InsertCommandType="StoredProcedure"> <SelectParameters> <asp:ControlParameter ControlID="GridView1" Name="ID" PropertyName="SelectedValue" /> </SelectParameters> </asp:SqlDataSource>
View 2 Replies
View Related
Sep 19, 2007
My stored proceddure "My Programs" includes a parameter @meid.How do I code an aspx file to run the procedure with a user ID, e.g. EmpID?I tried the following codes, but the error message indicated it can not findthe Stored Procedure. How do I pass the EmpID as a Stored Procedure parameter?
<%meid = EmpIdcmd.CommandText = "MyPrograms meid"cmd.CommandType = CommandType.StoredProcedurecmd.Connection = sqlConnection2sqlConnection2.Open()reader3 = cmd.ExecuteReader(meid)While reader3.Read()sb.Append(reader3(i).ToString() + "......<BR> <BR /> ")End While%>
TIA,Jeffrey
View 3 Replies
View Related
Dec 16, 2004
Hi
How Can I Generating wrapper code for SQL Server Stored Procedure ??
If You will Go To The Following link you will see an example for Generating wrapper code for Oracle Database .. And Also the author say there is built in tool for Generating wrapper code for SQL Server
http://www.codeproject.com/vb/net/OracleSPWrapper.asp
my question .. where is this tools ???
and thanks with my regarding
Fraas
View 1 Replies
View Related
Sep 8, 2005
First and foremost, thanks for reading and responding!Does it matter how big a stored procedure is if you do things in the stored procedure such as:declare the parametersIF @Parm_Select = '<ALL>'do a select IF @Parm_Select <> '<ALL> and @Parm_Report = '1'do a selectIF @Parm_Select <> '<ALL> and @Parm_Report = '2'do select This goes on and on and on and I have written a couple of stored procedures that are about 1500 lines of code based upon parameters passed I do not create any tables - they are just all select statements based upon the parameters passed.I thought I was doing the right thing cause I did not want to have to write a procedure that called a procedure, (I read this and got confused on the return prarmeters cause there is a lot of data being returned from the select ----- I don't think I said that correctly! . I am just learning this SQL stuff and I it is cool and I am excited - but I don't want to develop any bad habits in the beginning - and I try to look these things up on the www - but I just don't get explicit answers from reading all of this stuff. Thank to all in advance!
View 1 Replies
View Related
Jun 2, 2006
I have some SQL code as inline SQL (bad habit, I know). Now I want to convert this to an sproc, but I'm pretty much out of ideas here. The code looks like this:
string SQL = "SELECT * FROM MyDBTable WHERE 1=1";
if (txtMyField1.Text != "")
{
SQL = SQL + " AND MyField1 = @MyField";
}
if (txtMyField2.Text != "")
{
SQL = SQL + " AND MyField2 LIKE '%'+ @MyField2 + '%'";
}
if (txtMyField3.Text != "")
{
SQL = SQL + " AND MyField3 LIKE '%' + @MyField3 + '%'";
}
I have an search page built on ASP.NET 2.0. Based on what the user has entered to the form fields, the SQL in constructed on the fly. Since this is now inside codebehind file (aspx.cs), I want to get rid of it and move it to an sproc. But the question is how ? Some simple SQL clauses are easy to convert to an sproc but this is causing me lots of issues.
View 4 Replies
View Related
Jun 2, 2006
how do i return the identity from stored procedure to asp.net code behind page?
CREATE PROCEDURE [dbo].[myInsert] ( @Name varchar(35), @LastIdentityNumber int output)AS insert into table1 (name) values (@name)
DECLARE @IdentityNumber intSET @IdentityNumber = SCOPE_IDENTITY()SELECT @IdentityNumber as LastIdentityNumber
code behind:
public void _Insert(
string _Name,
{
DbCommand dbCommand = db.GetStoredProcCommand("name_Insert");db.AddInParameter(dbCommand, "name", DbType.String, _userId);
db.AddParameter(dbCommand, "@IdentityNumber", DbType.Int32, ParameterDirection.Output, "", DataRowVersion.Current, null);
db.ExecuteNonQuery(dbCommand);
int a = (int)db.GetParameterValue(dbCommand,"@IdentityNumber");
whats wrong with to the above code?
View 2 Replies
View Related
Feb 13, 2013
I'm writing some code to create stored procedures in a database. In order to test it out, I deleted a stored procedure (right clicking in SQL Server 2008 and clicking on delete) and then ran my code to see if it would create it.
My code looks like this:
Code:
SqlCommand command = new SqlCommand();
SqlConnection conn = database.TypeLibraryDatabaseConnection;
command.Connection = conn;
// create the command to create the stored procedure
command.CommandText = database.GetProcedure(node.Name);
// create the stored proc in the database
try
{
command.ExecuteNonQuery();
}
catch
{
}
command.Dispose();
database.GetProcedure(node.name) basically gets a string containing the SQL script to create the stored procedure.
command.ExecuteNonQuery() throws an SqlException that says: "There is already an object named 'SecuritySession_DeleteSessionById' in the
database." But I deleted it! Why does it think it's still there?
View 3 Replies
View Related
Apr 6, 2006
Hi all
Does somebody know how to get the code of a stored procedure?
I would like to know the name of the view in the data dictionary
which holds the code of the functions or stored procedures ...
Thanks for any help
Best regards
Frank Uray
View 10 Replies
View Related
