Data Access :: Remote Data Object In VB5 To Get Current Login User?

Jul 13, 2015

I'm using a legacy application built using VB5 and SQL Server 7. After recompiling it, and putting the database in SQL Server 2012. I want to access the current login user using the SQL function SUSER_SNAME().

This is the code.

Set rdoRes = goDatabase.Connection.OpenResultset("select suser_sname()")

But I'm unable to get the current user login in the application. If I write any other SQL statement instead of this, then it runs. But only this statement is not running. Is there any security reasons for this?

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How To: Determine If Current Windows User Has Login Access, Database Access And If They Are A Member Of A Specific DB Role.

Mar 25, 2008


I need to determine the following about the current authenticated Windows domain user who is trying to access a SQL Server via a trusted connection.

1 Has the current user been granted login access to the trusted SQL Server?

2 Has the current user been granted access to a specific database?

3 Is the current user a member of a specific database role such as (DB_ROLE_ADMINISTRATORS)?

Thanks,
Sean

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Vista Remote Connection Problem - Login Failed For User 'xxxxxxx. (.Net SqlClient Data Provider)

May 26, 2007

trying to connect to sql server 2005 over the internet. (its a third paty hosting company i'm using)

so i have to connect via tcp/ip using sql server authentication.

my laptop is running vista.



the version of sql server 2005 on my laptopis developer edition with service pack 2.

it worked fine from windows xp and the connection details are valid as it runa fine from .net on the hosting website.



i have added sql serer managemnt studio to the exceptions list in the firewall.

ihave made sure tcpip is enabled in the sql server connection management console.

i have also enabled it in the cliconfg tool



firewall on/off seems to make no difference.



its almost enough to make you turn to oracle and thats saying something considering how long i've been in the microsoft camp...



the error returned is:
Login failed for user 'SQL2005_152092_garethbowen'. (.Net SqlClient Data Provider)


------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476

------------------------------
Server Name: 'xxxx',1433
Error Number: 18456
Severity: 14
State: 1
Line Number: 65536


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Jun 9, 2015

When i wanna run Application in other computers in network. The following error occurs.

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Mar 21, 2014

I have a windows 2008 with SQL Server 2008 R2 VM on Azure. I am trying to connect to the SQL server for the first time using SSMS, but have not been able it. I have a VPN tunnel, so I am connecting using Windows authentication. The error I get back from SSMS is:

Login failed for user 'domainusername'. (Microsoft SQL Server, Error: 18456).In the event viewer I see this error message: Login failed for user 'domainusername'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors. [CLIENT: <local machine>]

I have done the following:

- created an endpoint for port 1433
- opened port 1433 in the firewall
- Ran the MSSQLSERVER service as the build-in users Network Services, Local System, and Local Service, and as a local and domain administrator, with the same exact result each time.
- I get the same result trying to connect locally or remotely.
- I get the same result trying to connect using sqlcmd.

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May 17, 2006

 
Hi all,
Can someone explain it to me  why I am getting the following error when I try to connect SQL server express with .NET 2.0?
 
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Login failed for user ''. The user is not associated with a trusted SQL Server connection.Here is my code and i am using windows authentication:
<%@ Import Namespace="System.Data" %><%@ Import Namespace="System.Data.SqlClient" %>
<%
        Dim connAkaki As SqlConnection    Dim cmdSelectAuthers As SqlCommand    Dim dtrAuthers As SqlDataReader        connAkaki = New SqlConnection("Server=.SQLEXPRESS;database=akaki")             connAkaki.Open()        cmdSelectAuthers = New SqlCommand("select Firstname from UserTableTest",  connAkaki)    dtrAuthers= cmdSelectAuthers.ExecuteReader()            While dtrAuthers.Read()          Response.Write("<li>")          Response.Write(dtrAuthers("Firstname"))              End While        dtrAuthers.Close()    connAkaki.Close()    %>
 

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Apr 19, 2008

but i am able to login to the same remote sql server through SQL server managment studio express using the details i am using in the connection string in the "test.aspx" page. ERROR:An error has occurred while establishing a connection to the server.
When connecting to SQL Server 2005, this failure may be caused by the
fact that under the default settings SQL Server does not allow remote
connections. (provider: Named Pipes Provider, error: 40 - Could not
open a connection to SQL Server)When this page is run, i want all the user's UserName and Password to be dispalyed.However, i am getting the above mentioned error.what could be the problem?  This is the code i am using in my test.aspx page to connect to "Login" table in my database. 1 Imports System.Data2 Imports System.Data.SqlClient3
4 Private Sub GetAllTheComments()5
6 Dim MyConnection As SqlConnection7
8 Dim MyCommand As SqlDataAdapter9
10 MyConnection = New SqlConnection("server=XXX.X.XXX.X;uid=X;pwd=X;database=X")11
12 MyCommand = New SqlDataAdapter("select UserName, Password from Login", MyConnection)13
14 ds = New DataSet15
16 MyCommand.Fill(ds)17
18 DataList1.DataSource = ds19
20 DataList1.DataBind()21
22 End Sub 
  

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Sep 10, 2015

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1. URL of attempted report
2. IP address of user agent
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ssrs2014

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From what i understand about the IPAddress object in .NET it is serializable. what am i doing wrong



( note, im just doing this for research purposes and not planing to use the UDT)





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Hi,

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I was thinking periodically the Web server could remotely query my product database for new entries (this does not need to be real time).

What do you think...

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Hi guys,

I've been developing desktop client-server and web apps and have used Access and SQL Server Standard most of the time.
I'm looking into using SQL CE, and had a few questions that I can't seem to get a clear picture on:

- The documentation for CE says that it supports 256 simultaneous connections and offers the Isolation levels, Transactions, Locking, etc with a 4GB DB. But most people say that CE is strictly a single-user DB and should not be used as a DB Server.
Could CE be extended for use as a multi-user DB Server by creating a custom server such as a .NET Remoting Server hosted through a Windows Service (or any other custom host) on a machine whereby the CE DB would run in-process with this server on the machine which would then be accessed by multiple users from multiple machines??
Clients PCs -> Server PC hosting Remoting Service -> ADO.NET -> SQL CE

- and further more can we use Enterprise Services (Serviced Components) to connect to SQL CE and further extend this model to offer a pure high-quality DB Server?
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Thanks,
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Nov 23, 2007

Greetings!

I come before you seeking assistance on a package that basically flows very much like the "Table Driven foreach Loops" example provided by Kirk Haselden at http://sqljunkies.com/WebLog/knight_reign/archive/2005/03/25/9588.aspx


I am presently encountering the following exception:


SSIS package "DW.CUST_CNCL_ORDhardcodedate (1).dtsx" starting.

Error: 0x3 at Shred the contents of the variable: Variable "User::FullResultSet" does not contain a valid data object

Warning: 0x80019002 at Shred the contents of the variable: The Execution method succeeded, but the number of errors raised (1) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.

Warning: 0x80019002 at DW CUST_CNCL_ORDhardcodedate: The Execution method succeeded, but the number of errors raised (1) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.

SSIS package "DW.CUST_CNCL_ORDhardcodedate (1).dtsx" finished: Failure.


Does anyone in the community have any ideas as to what may be the cause of this exception?



I look forward to your reply. Thank you and Grand weekend to you and a very Blessed Thanksgiving.



Thanks,

Carlos

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Hi,

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Jun 27, 2007

I am unable to run a stored procedure that accesses a linked Oracle database as a dataset for a deployed report in Reporting Services. I receive the following error:



An error has occurred during report processing.

Query execution failed for data set 'spName'.

Access to the remote server is denied because the current security context is not trusted.



A few facts ...

The report previews fine in Microsoft Visual Studio 2005 Version 8.0.50727.762 (SP.050727-7600) report designer with VS being installed on my local machine and a shared data source referencing Server1
The deployed report on Server2 produces the error
The stored procedure code is similar to the following:

SELECT x.FieldName as OracleField

,y.FieldName as SSfield

FROM OracleLinkedServer..DatabaseName.TableName x

LEFT JOIN Server1.dbo.TableName y

The deployed report runs fine when the stored procedure code is changed as follows. This indicates to me that the problem is truly an Oracle connection issue;

SELECT 'ABC' as OracleField

,y.FieldName as SSfield

FROM Server1.dbo.TableName y

The Oracle database is a linked database on both SQL Server1 and on SQL Server2 database engines. (I don't see where in Server2 Reporting Services I can specify additional server connections.)
I've tried to trick Mr. Reporting Services on Server2 by creating a @L_TempTable in my stored procedure, inserting the data into it, then selecting from a SQL Server1.dbo.TableName LEFT JOIN @l_TempTable, but Server2 still knows I'm trying to get out to Oracle and rewards me with the error.
I can effectively run the Server1 stored procedure script on Server2 through MSSMS -- it's just the deployed report that references the stored procedure that doesn't work
The data source properties of the deployed report are as follows:

Select -- A Custom Datasource

Connection Type: Microsoft SQL Server

Connectoin String: Data Source=Server1;Initial Catalog=DatabaseName

Select -- Credentials stored securly in the report server

Username: UserName

Password: Password

Check -- Use as Windows credentials when connecting the the data source

Check -- Impersonate the authenticated user ...



(Please do not get sidetracked on the 'A Customer Datasource' selection above. I'd rather be using a shared data source, but right now, this is just the way it is.)



Anyone's expertise would be greatly appreciated. We have a great data warehouse but sometimes you just have to go back to the Oracle ERP and slug it out. What do I need to do to get a deployed report to effectively read from a stored procedure that references an Oracle table?



To everyone, thanks for reading!



~ Delora









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Access To The Remote Server Is Denied Because The Current Security Context Is Not Trusted.

Aug 25, 2006

Hello,

In SQL 2005, from a stored procedure in a local database I am attempting to execute a remote stored procedure in another database on another server. I am getting the error referred to in the Subject when the local stored procedure tries to execute the remote stored procedure. A couple of comments:

The remote database is set up as a linked server in the local database. As part of the linked server definition I selected the 'be made using this security context', and provided a local user name and password.
The remote database is set to Trustworthy.
I have tried every combination of WITH Execute As on the remote stored procedure but nothing works.
I can query against the remote database successfully within Management Studio. I can even execute the remote stored procedure successfully from within M.S., but not from within my local stored procedure when it is run.

Thank you for your help on this - Amos.

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Access To The Remote Server Is Denied Because The Current Security Context Is Not Trusted

Jun 27, 2007

I am unable to run a stored procedure that accesses a linked Oracle database as a dataset for a deployed report in Reporting Services. I receive the following error:



An error has occurred during report processing.

Query execution failed for data set 'spName'.

Access to the remote server is denied because the current security context is not trusted.



A few facts ...

The report previews fine in Microsoft Visual Studio 2005 Version 8.0.50727.762 (SP.050727-7600) report designer with VS being installed on my local machine and a shared data source referencing Server1
The deployed report on Server2 produces the error
The stored procedure code is similar to the following:

SELECT x.FieldName as OracleField

,y.FieldName as SSfield

FROM OracleLinkedServer..DatabaseName.TableName x

LEFT JOIN Server1.dbo.TableName y

The deployed report runs fine when the stored procedure code is changed as follows. This indicates to me that the problem is truly an Oracle connection issue;

SELECT 'ABC' as OracleField

,y.FieldName as SSfield

FROM Server1.dbo.TableName y

The Oracle database is a linked database on both SQL Server1 and on SQL Server2 database engines. (I don't see where in Server2 Reporting Services I can specify additional server connections.)
I've tried to trick Mr. Reporting Services on Server2 by creating a @L_TempTable in my stored procedure, inserting the data into it, then selecting from a SQL Server1.dbo.TableName LEFT JOIN @l_TempTable, but Server2 still knows I'm trying to get out to Oracle and rewards me with the error.
I can effectively run the Server1 stored procedure script on Server2 through MSSMS -- it's just the deployed report that references the stored procedure that doesn't work
The data source properties of the deployed report are as follows:

Select -- A Custom Datasource

Connection Type: Microsoft SQL Server

Connectoin String: Data Source=Server1;Initial Catalog=DatabaseName

Select -- Credentials stored securly in the report server

Username: UserName

Password: Password

Check -- Use as Windows credentials when connecting the the data source

Check -- Impersonate the authenticated user ...



(Please do not get sidetracked on the 'A Customer Datasource' selection above. I'd rather be using a shared data source, but right now, this is just the way it is.)



Anyone's expertise would be greatly appreciated. We have a great data warehouse but sometimes you just have to go back to the Oracle ERP and slug it out. What do I need to do to get a deployed report to effectively read from a stored procedure that references an Oracle table?



To everyone, thanks for reading!



~ Delora









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Nov 9, 2005

Hello

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Feb 10, 2014

We've got 3 SQL Servers all SQL Server 2012. We have a Master server and 2 production servers (let's call them A and B). The Master has linked servers defined for both A and B in an identical way.

A and B both have the same databases and each has a Stored Proc that gets called by the Master server.
An SQL Agent job executes the stored proc on both A and B.
It works fine against A but not B.

If we execute the stored proc in a query window under our windows account (domainowner) it works, if we use SetUser to pretend to be the SQL Server Agent account (let's call it domainagent) A works and B doesn't.

Executing against B returns the error "Access to the remote server is denied because the current security context is not trusted."

domainagent is a sysadmin on both Server A and B.

Trustworthy is set to ON in both the Master Server Database it's executing from and the remote databases on both A and B.

All 3 databases have the same owner (let's call it domainowner).

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For Remus - Access To The Remote Server Is Denied Because The Current Security Context Is Not Trusted.

Aug 25, 2006

Remus (or anyone who can help) -

I am sorry for posting this question here. The only reason I am doing so is because Remus answered a question similar to this late last year, but I couldn't get access to the whole thread.

In SQL 2005, from a stored procedure in a local database I am attempting to execute a remote stored procedure in another database on another server. I am getting the error referred to in the Subject when the local stored procedure tries to execute the remote stored procedure. A couple of comments:

a.. The remote database is set up as a linked server in the local database. As part of the linked server definition I selected the 'be made using this security context', and provided a local user name and password.
b.. The remote database is set to Trustworthy.
c.. I have tried every combination of WITH Execute As on the remote stored procedure but nothing works.
d.. I can query against the remote database successfully within Management Studio. I can even execute the remote stored procedure successfully from within M.S., but not from within my local stored procedure when it is run.


Thank you for your help on this - Amos.

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Jul 23, 2005

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Sep 12, 2007

Hi,

I have a stored procedure servicing a queue (sql 2005).
The stored procedure updates some data in a different server and database.
If the queue contains messages and I execute manually the stored procedure, I don't have any problem at all.
However, if I set the queue to use the same stored procedure, it gives me the following error:

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Thanks,

Aron

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Aug 12, 2005

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Jul 8, 2004

Here's the error stack:

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Login failed for user 'OMM_IUSER'.
at System.Data.SqlClient.ConnectionPool.GetConnection (Boolean& isInTransaction)
at System.Data.SqlClient.SqlConnectionPoolManager.Get PooledConnection(SqlConnectionString options, Boolean& isInTransaction)
at System.Data.SqlClient.SqlConnection.Open()
at DreamweaverCtrls.DataSet.GetConnection(String strConnection)
at DreamweaverCtrls.DataSet.DoInit()

i have just exported all objects from one sql server to another and no matter how many times i check the password i keep getting this same error..
I KNOW for a fact that the password and username are correct and that they have all of the correct permissions..
what am i doing wrong?

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Oct 31, 2007

Hello guys and girls! I need help for this error. Could anyone be so kind to enlighten me on this? Thanks!
When i attempted to login to my local page, this occurred:
 

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hi guys,

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i want to start from the scratch.

I've restored the database from the older application in sql server 2000 from another machine.

now whenever i try to execute that application an error is displayed stating

"System.Data.SqlClient.SqlException: Login failed for user 'VASANTASPNET'."

my sql server uses windows authentication mode,and i've made changes in the connectionstring accordingly...

but still it shows this error...

can ny body help me get rid of it..?

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May 2, 2008

I am having a very strange and frustrating problem with moving an application from Development to Production.
I have been working on this application on XP with VS2005 with SQL Express on my local machine.  Throughout the development lifecycle I have moved it to the Server multiple times to test things and everything has been working fine until this last time.
What I have done since the last time:
Added some ASP.NET AJAX functionality
Added some views that I am having to fill a dataset from the dataset to manipulate the data before presentation.
Everything has worked fine without any issues on my local machine with my local database.
I just made backups of the databases and restored them on the server and have moved all my project files up to the server.  I then installed the ASP.NET AJAX Extensions 1.0 on my 2.0 server.
 
NOW - The Problem:
The entire site works fine, I can read data from every table of every database, and I can also write data to all the databases.  However, this one page has a GridView that I pull data from the database and fill a DataSet with the data.  I then manipulate the data, adding some data from other databases and then present it to the browser.
This is working fine on my local machine, but since pushing this to the server I get an error:
System.Data.SqlClient.SqlException: Login failed for user 'ext_access'
Line 36:         ad.Fill(ds, "CaskInfo")Line 37:         Dim Table As DataTable = ds.Tables("CaskInfo")Line 38:         Table.Columns.Add("Company", GetType(String))
I have checked the database and the SQL Server and the user listed above has the correct access to the database, which I would guess since everthing else is working fine. I use the same connection information throughout the app and it is stored in the web.config so I am certain nothing is wrong with my connection information.  I access that information with the same code throughout the application as well so I know it is correct.
I know this may not be the most trimmed piece of SQL code, but I figured I would post it incase there is something inefficient in my SQL that could be causing this.
Here is my code leading up to the error.
Dim conn As SqlConnection = CreateConnection2()Dim connectionString As String = conn.ConnectionString
Dim myConnection As New SqlConnection(connectionString)Dim ad As New SqlDataAdapter("Select CaskID, CompanyID, SiteID, UnitIDVCC, UnitIDTSC, DATEPART(mm,DateLoaded)as Month, DATEPART(dd,DateLoaded)as Day, DATEPART(yyyy,DateLoaded)as Year, COCName, AmendmentName, HeatLoad, Dose, DryTime, Damaged, Debris FROM CaskInfo, COCInfo, AmendmentInfo WHERE CaskInfo.COC = COCInfo.COCID AND CaskInfo.Amendment = AmendmentInfo.AmendmentID", myConnection)
Dim ds As New DataSet()
ad.Fill(ds, "CaskInfo")
 
 
Using this connection code:Function CreateConnection2() As SqlConnection
Dim conn2 As SqlConnection = New SqlConnectionconn2.ConnectionString = ConfigurationManager.ConnectionStrings("MainWeb").ConnectionString
conn2.Open()Return conn2
End Function
And this is the line in the web.config:
<add name="MainWeb" connectionString="Data Source=N2K3APPS;Initial Catalog=NUTUGData;Integrated Security=false;Pooling=False;User Id=ext_access;password=zzzzzzz" providerName=".NET Framework Data Provider for SQL Server"/>
Thanks!

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Apr 2, 2004

I have searched all the forums on this issue and tried the other options but nothing seems to work. I have an IIS server using asp.net to connect to a SQL database on a separate server which also happens to be a domain controller(i.e. no local accounts). I have tried changing the connection string, web.config, etc. but I still can't get connected. I believe the issue is with the SQL security but I'm not sure.

IIs is set up for Integrated Windows Auth.

Here is the web.config:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>

<!-- application specific settings -->
<appSettings>
<add key="connectionString" value="Data Source=VGISQL2;Initial Catalog=PaymentApplication;Integrated Security=SSPI;" />
</appSettings>


<system.web>

<!-- DYNAMIC DEBUG COMPILATION
Set compilation debug="true" to enable ASPX debugging. Otherwise, setting this value to
false will improve runtime performance of this application.
Set compilation debug="true" to insert debugging symbols (.pdb information)
into the compiled page. Because this creates a larger file that executes
more slowly, you should set this value to true only when debugging and to
false at all other times. For more information, refer to the documentation about
debugging ASP.NET files.
-->
<compilation
defaultLanguage="c#"
debug="true"
/>

<!-- CUSTOM ERROR MESSAGES
Set customErrors mode="On" or "RemoteOnly" to enable custom error messages, "Off" to disable.
Add <error> tags for each of the errors you want to handle.

"On" Always display custom (friendly) messages.
"Off" Always display detailed ASP.NET error information.
"RemoteOnly" Display custom (friendly) messages only to users not running
on the local Web server. This setting is recommended for security purposes, so
that you do not display application detail information to remote clients.
-->
<customErrors
mode="Off"
/>

<!-- AUTHENTICATION
This section sets the authentication policies of the application. Possible modes are "Windows",
"Forms", "Passport" and "None"

"None" No authentication is performed.
"Windows" IIS performs authentication (Basic, Digest, or Integrated Windows) according to
its settings for the application. Anonymous access must be disabled in IIS.
"Forms" You provide a custom form (Web page) for users to enter their credentials, and then
you authenticate them in your application. A user credential token is stored in a cookie.
"Passport" Authentication is performed via a centralized authentication service provided
by Microsoft that offers a single logon and core profile services for member sites.
-->
<authentication mode="Windows" />

<!-- AUTHORIZATION
This section sets the authorization policies of the application. You can allow or deny access
to application resources by user or role. Wildcards: "*" mean everyone, "?" means anonymous
(unauthenticated) users.
-->

<authorization>
<allow users="*" /> <!-- Allow all users -->
<!-- <allow users="[comma separated list of users]"
roles="[comma separated list of roles]"/>
<deny users="[comma separated list of users]"
roles="[comma separated list of roles]"/>
-->
</authorization>

<!-- APPLICATION-LEVEL TRACE LOGGING
Application-level tracing enables trace log output for every page within an application.
Set trace enabled="true" to enable application trace logging. If pageOutput="true", the
trace information will be displayed at the bottom of each page. Otherwise, you can view the
application trace log by browsing the "trace.axd" page from your web application
root.
-->
<trace
enabled="true"
requestLimit="10"
pageOutput="false"
traceMode="SortByTime"
localOnly="false"
/>

<!-- SESSION STATE SETTINGS
By default ASP.NET uses cookies to identify which requests belong to a particular session.
If cookies are not available, a session can be tracked by adding a session identifier to the URL.
To disable cookies, set sessionState cookieless="true".
-->
<sessionState
mode="InProc"
stateConnectionString="tcpip=127.0.0.1:42424"
sqlConnectionString="data source=127.0.0.1;Trusted_Connection=yes"
cookieless="false"
timeout="20"
/>

<!-- GLOBALIZATION
This section sets the globalization settings of the application.
-->
<globalization
requestEncoding="utf-8"
responseEncoding="utf-8"
/>

<!-- ADDED BY YURI -->
<identity impersonate="true" />

</system.web>

</configuration>





HELP!!!!!!!!!!!!!!

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I am using C# in  Visual Studio 2008 and remote database as sql server 2008 R2. I want to read remote database table's field value and i have to move that read value to string variable. how to do it. 

And my code is :

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