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How To Close FTP Connection Using Inet


this is how im connecting..

Code:
With Inet1
.Cancel
.Protocol = icFTP
.URL = "ftp://webpages.webpages.net"
.UserName = "username"
.Password = "password"
End With

but i just realized that im not closing this connection... would i use the .cancel?


Code:
Inet1.Cancel

or do i even need to close it?

also why am i using the . Cancel here?


Code:
With Inet1
.Cancel

thanks




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Hi

I use the Inet control, to check if a page exist. Howevere, it seems that I don't close the connection. Because, after about 2000 request I manage to Dos(denial of service) my self. So I'm basicly using every port possible, until my ruter just shuts down.

my code is simply

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Close Recordset Or Close Connection?
I have a recordset and connection I open up, and then I have another recordset from a different table I want to open. Do I need to close the previous connection or recordset? I saw this somewhere but I can't remember. Thanks!

Heres my code so far. You can see at the bottom my feeble attempt at opening a second recordset from a different table.

Option Explicit
Dim Ordernumber As String



Private Sub cmdFind_Click()
Ordernumber = txtOrdernumber.Text



'' Connection to ODBC Start

lblStatus.Caption = "Connecting to MAS90 ODBC"

Dim Mas90 As ADODB.Connection
Dim rstMyrecset As ADODB.Recordset
Dim cmdMyrecset As ADODB.Command
Dim rstmyrecset2 As ADODB.Recordset
Dim cmdmyrecset2 As ADODB.Command
Dim strResults As String
Dim strResults2 As String

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Mas90.ConnectionString = "dsn=sotamas90"
Mas90.Open
lblStatus.Caption = "Connection Successful."

'' Connection to ODBC End



Set cmdMyrecset = New ADODB.Command
cmdMyrecset.ActiveConnection = Mas90
cmdMyrecset.CommandText = "SELECT SalesOrderNumber, LinkToFirstDetailRecord FROM SO1_SOEntryHeader"
Set rstMyrecset = cmdMyrecset.Execute


rstMyrecset.Find "SalesOrderNumber LIKE '" & Ordernumber & "'", 1, adSearchForward

strResults = rstMyrecset.Fields.Item("SalesOrderNumber").Value
txtResults.Text = strResults

strResults2 = rstMyrecset.Fields.Item("LinkToFirstDetailRecord").Value
txtResults2.Text = strResults2


Set cmdmyrecset2 = New ADODB.Command
cmdMyrecset.ActiveConnection = Mas90
cmdMyrecset.CommandText = "SELECT LinkToPrevLine FROM SO2_SOEntryDetailLine"
Set rstmyrecset2 = cmdmyrecset2.Execute




End Sub

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I am creating an Access database in VB and opening it with ADO.  I create and populate a table, and do whatever I need to do with table.  I want to then go back several steps and Kill the database so I can recreate it and populate a new table (same name as before, different data).  WhenI go to kill the database, I get a permission denied because the ldb still exists.  When is the database closed, i.e., the ldb ceases to exist?  Is it when I close the connection?  If not, how can I explicitly close the database so I can delete it?  

Set cnPointDB2 = New ADODB.Connection  (i've already dim'd it)
With cnPointDB2
     .Provider = "Microsoft.Jet.OLEDB.4.0"
     .Open "C:Analysis.mdb"
End With

With this, analysis.ldb is created.

When I am finished I close the connection and set cnPointDB2 = nothing before trying to kill it.

I must admit that I do open this database in a few places to do different things at various times before I need to kill it.  Could it be that a connection is still open from a different part of the code and causing me a problem?  I did find a post from last year about opening a db once (in  a multiuser environment, which my application is not) and leaving it open versus opening and closing it as needed.

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Connection Begintrans Cannot Close The Connection
Hi,


Im doing a program using vb6 to connect with access 2000 now.

I'm facing problem with the begintrans and rollbacktrans connection issue.

i have two table header and details table, the program let user to insert multiply line in the details table.
i use the connection.begintrans and connection.committrans to update both table when user finish add in multiply line record.

i'm using 2 recordset to query header and details table.
then i user recordset.addnew to add in multiple line in the details table.
when user execute the save button, i will call the recordset.updatebatch and connection.commitrans.

my problem is when the user insert several line in details and want to create a new record, i need to call the connection.rollbacktrans to clear the previous record in header and details table.

after i call the rollbacktrans, and i want to close the connection object. the system prompt out a error message as below:

run time error 3246 connection object cannot be explicitly closed while in transaction

why i can not close the coonection after i call the rollbacktrans.


adodcCon.BeginTrans

adodcTrxHdr.AddNew
adodcTrxHdr("TRX_DATE") = dtpTrxDate.Value
adodcTrxHdr("TRX_CODE") = txtTrxNo.Text
adodcTrxHdr("CUST_CODE") = txtCustomerCode.Text

adodcTrxDtl.AddNew
adodcTrxDtl("TRX_DATE") = dtpTrxDate.Value
adodcTrxDtl("TRX_CODE") = txtTrxNo.Text
adodcTrxDtl("TRX_LINE_NO") = iTrxLineNo
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adodcTrxDtl("UNIT_PRICE") = txtUnitPrice.Text
adodcTrxDtl("ITEM_CODE") = txtItemCode.Text
adodcTrxDtl("CUR") = lblCurrency.Caption
adodcTrxDtl("QTY") = txtQuantity.Text
adodcTrxDtl("TOTAL") = txtUnitPrice.Text * txtQuantity.Text

adodcTrxHdr.CancelUpdate
adodcTrxDtl.CancelUpdate
adodcCon.RollbackTrans


what's wrong with my code here ? can someone teach me on how to solve this ? or is there any other idea to solve this issue using other method than using begin trans???

urgent .. thanks for the help...

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Hi all,
I writing an FTP apllication for my networking course major project (Something like CuteFTP or LeapFTP).
Well, it's all fine, but i am having problems with 2 issues:

1) When connecting, i want to be able to abort the operation. I mean user can be able to stop any connection attempt currently going on. I tried using Inet.Cancel method (The only method that deals with cancelling requests in the inet control), but this only works when executing a command after being connected, like put, get, ... When trying to cancel when trying to connect, it returns an error (Still executing last request). How to cancel a connection attempt??

2) How can i retrieve the IP of the Server Host being connected to? I mean i want to display a message like Host Resolved as 64.26.12.15, or something like that. Can this be done using the inet control (the StateChanged event??) or should i do this separetly?? And how??

Please help me people, cause this project is due in a couple of days, and i'm ruuning out of ideas.
Thanx in advance

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How can I tell if an Inet connection exists WITHOUT using the Public Declare Function InternetGetConnectedState Lib "wininet" API.

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Hi.

I have a program that searches for given file and tries to download it. Under my "Cancel" button I have this code:


Code:
InetUpdate.Cancel
Unload Me


When I use that code, the program still runs in the background. How do I REALLY cancel the inet process?

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I am trying to use the inet control.
It doesn't seem to be able to connect with the server.
I connect to the server frequently using telnet so I am sure its not a server problem.
The code I am trying to use is:

Inet1.Protocol = icFTP
Inet1.UserName = MyUserNmae
Inet1.Password = MyPassWord
Inet1.Execute "chal.mta.ac.il","Dir *.*"

chal.mta.ac.il is what I type in the telnet hostname text box,I hope its the right parameter to give to the execute method.
Although msdn clame that I have to put in a protocol type in the url name.
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How can I display all directories of my account on the remote ,server in a listbox in my app?
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I'm writing a little application which uses inet.openURL to bring back a variable from a number of remote systems.

I've come across a strange issue where if it fails on connection to one of the systems, for the next system it attempts it doesn't seem to do anything at all?

Here is some example code (I've also uploaded the demo app) where I have 5 different sites to connect to, sites 3 and 4 do not exist.

If you click on site1, it will bring back a result ok.
If you click on site3, it will bring back an error ok.
Now that we've had a failed connection, try clicking either a good or bad site - it does nothing?? It seems to take 2 attempts before it gets the next good or bad result.

I would really appreciate any help, I've been looking at this for a couple of days and can't see any reason why it's acting in this way.


Code:
Private Sub Form_Load()
Inet1.RequestTimeout = 7
End Sub


Private Sub cmd_check1_Click()
On Error GoTo Check1Error:
txt_result1.Text = Inet1.OpenURL(txt_string1.Text)
Exit Sub

Check1Error:
txt_result1.Text = Err.Description
End Sub


Private Sub cmd_check2_Click()
On Error GoTo Check2Error:
txt_result2.Text = Inet1.OpenURL(txt_string2.Text)
Exit Sub

Check2Error:
txt_result2.Text = Err.Description
End Sub

Private Sub cmd_check3_Click()
On Error GoTo Check3Error:
txt_result3.Text = Inet1.OpenURL(txt_string3.Text)
Exit Sub

Check3Error:
txt_result3.Text = Err.Description
End Sub

Private Sub cmd_check4_Click()
On Error GoTo Check4Error:
txt_result4.Text = Inet1.OpenURL(txt_string4.Text)
Exit Sub

Check4Error:
txt_result4.Text = Err.Description
End Sub

Private Sub cmd_check5_Click()
On Error GoTo Check5Error:
txt_result5.Text = Inet1.OpenURL(txt_string5.Text)
Exit Sub

Check5Error:
txt_result5.Text = Err.Description
End Sub

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VB Code:
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VB Code:
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I have this piece of code


Code:


Code:


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head fired!!!!!!!!

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WHY!!!!!!

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Exit Do
Else
.MoveNext
End If
Loop
End With


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Set book_sales = New ADODB.Recordset

vcs = "Provider=Microsoft.Jet.OLEDB.4.0;"
vcs = vcs & "Data Source=C:System"
vcs = vcs & "cims.mdb;Persist Security Info=False"

cims.Open vcs
book_sales.Open "book_sales", vcs, adOpenDynamic, adLockOptimistic, adCmdTable



how do i close it? thanks in advance.

How Often Should I Open/close A Connection To A DB
Hello

I am creating a small application in VB/Access. The application creates a Db of Client names, project names and time spent working on each project.

During the execution of the program I access the DB many times
ie to add a new project I have to get a client ID from the DB based on the Client name then update the project table with the project name, client id and have the DB generate a project ID. I then get the project ID and display it on the screen. During this process I open and close the connection to the DB each time I 'go to it'

My question
What is considered to be better programming style. To open and close the connection each time I access the DB or to keep  the connection open until the entire process is complete?

The DB and appliction will reside on the users PC . In other words the DB will not be placed on a server. Does this factor into the question mentioned above


Problem With Close Connection...
i have Frame1 with One DataGrid1 and Two Buttons

First Button connected to database and give data to DataGrid1

Code:
Public Com As ADODB.Connection
Public Rs As ADODB.Recordset

Set Com = New ADODB.Connection
Set Rs = New ADODB.Recordset
Dim sql As String
sql = "SELECT * FROM data.dbf WHERE NR_ROL LIKE " & NIRtxt.Text
Com.Open "Driver={Microsoft dBASE Driver (*.dbf)};" & _
"DriverID=277;" & _
"Dbq=C:Data;"
Rs.Open sql, Com, adOpenStatic, adLockReadOnly
Set DataGrid1.DataSource = Rs

Second button Command1 call "Exit"
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Code:Private Sub Command1_Click()
Rs.Close
Com.close
Set DataGrid1.DataSource = Rs
And now when i open frame1 and not connect to database then click Exit (Command1 button) i have Error "Object variable or with block wariable not set" because i not connected to dbf file how to make this when i not connect and click exit then don't give error?





Edited by - Speech on 8/28/2003 3:25:54 PM

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I have a question on how vb's socket operation. The scenario is like:

Code:

' open connection
client = TcpClient(ip, port)
...
' close connection
client.close()


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Code:

TCP 0.0.0.0:9500 0.0.0.0:0 LISTENING
TCP 127.0.0.1:9500 127.0.0.1:1378 ESTABLISHED

"9500" is the server's listening port. My server is running on the same machine with my client.

I've thought after close(), the established connection should be removed. However, nothing changes.

Then, after I close the client app, the connection turns into,

Code:

TCP 127.0.0.1:1378 127.0.0.1:9500 TIME_WAIT


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3-tier application.
Database : SQL server or Oracle
Users : 20 users

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________________________________________________________________________
Miquel Gilabert mailto:se04249@salleurl.edu
Test & Software Engineering
Smart Cards & Terminals
Test & Transactions Europe
Technical Department - SLB Solaic Ibérica
Tel : (34) 93 462.83.00
Fax : (34) 93 462.83.27

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thanks!Lee

Open And Close Adodb.connection
Hi, I've written a vb app that uses adodb.connection object for updates and deletes and recordset object for returning data. My question is this, the program is designed to run for weeks at a time (its an SMTP server). I have a class file for my database connections and queries, at Class_Initialize() (called on frmMain.form Load()) I open the connection and don't close it until Class_Terminate() which could be a month later. It this the most efficient way to utilize a connection? In the past I opened and closed the connection with each use of the database class. There are mutliple calls to the class (could be ten thousand an hour) so I thought a single open and close would be best.

Any thoughts on this?

Connection Close Causes Errorless Crash.
I'm not positive this is the right forum for this question, but the 'error' is caused by an Ado method, so:

I have a program which fills several things on a screen during its load function, including some text labels and an MSHFlexgrid. As it happens, These processes occur in two seperate functions, first there is 'populate labels', then 'populate flexgrid'.

In each case, an ado connection is made to a SQL (MSDE) server at the beginning of the function, and closed at the end of it. Now, there's no problem on my development machine. But on two other's I've tried, the flexgrid filling routine has a problem when I try to close the SQL connection.

When it reaches the line 'conSQL.close' it chokes -- there is no error, but the program stops running (no longer appears in task manager either). All the 'msgBox' lines I added in to try to find out where it was crashing.

Any ideas? Here is the 'pseudo-code' version, I can give exact code if needed. All of the "connection strings" are working though, they return the appropriate results if I show them on a modal form during this process.


Code:
'open SQL connection
conSQL.ConnectionString = gstrConn
conSQL.CursorLocation = adUseServer
conSQL.Open gstrConn


'Determine what gets selected
With frmQuickCom.mhfgMessage
.Redraw = False
Set .DataSource = conSQL.Execute(strFullQuery & strWhere & strOrder)


If glbooSel = True Then
.TopRow = glintRow
'.Enabled = True
Else
If .Rows > 1 Then
'.Enabled = True
.TopRow = 1
.Col = 0
.ColSel = 0
'Display first Message, security dependant
strSecurity = .TextMatrix(1, 10) 'security
If strSecurity = "Patient" Or strSecurity = "Staff" Then
'show subject
frmQuickCom.rtfMessage.Text = .TextMatrix(1, 8)
Else
'show message
frmQuickCom.rtfMessage.Text = .TextMatrix(1, 9)
End If
'Pick Max incoming ID
lngID = .TextMatrix(1, 0)
Else
'.Enabled = False
End If
End If
'set column size
.ColWidth(0) = 0 'ID
.ColWidth(1) = 0 'To Class
.ColWidth(2) = 0 'To_ID
.ColWidth(3) = 1000 'To_Name
.ColWidth(4) = 1200 'Time
.ColWidth(5) = 0 'To_Class
.ColWidth(6) = 0 'To_ID
.ColWidth(7) = 1000 'To_Name
.ColWidth(8) = .Width - .ColWidth(3) - .ColWidth(4) - .ColWidth(7) - (.GridLineWidth * (.Cols + 1)) 'Subject
.ColWidth(9) = 0 'Message
.ColWidth(10) = 0 'Security
'show it
.Redraw = True
End With

'Sound Start
Dim strSoundSet, strStationSound As String

Dim adoRecSound As New ADODB.Recordset
adoRecSound.Open "Connection String", conSQL, adOpenStatic, adLockOptimistic

'find sound folder
Dim strPath As String
strPath = App.Path & ("sound")

'now look through adorecsound
Do While Not adoRecSound.EOF
'for each message, add that users sound to sound collection

'SOUND CODE HERE

'move to the next user
adoRecSound.MoveNext
Loop

'repeat for Station Sound
Dim strSound As String
adoRecSound.Close
adoRecSound.Open "SELECT Sound FROM Practice", conSQL, adOpenStatic

If Not adoRecSound.EOF Then 'There exists a station sound to play
strSound = adoRecSound.Fields("Sound")
adoRecSound.Close
Dim lngSound2 As Long
Dim fsoStation As New FileSystemObject

'check if that is a valid sound file
If fsoStation.FileExists(strPath & strSound) = True And strSound <> "" Then
'now check for messages
adoRecSound.Open "Connection string", conSQL, adOpenStatic, adLockOptimistic
'messages exist?
If Not adoRecSound.EOF Then
'SOUND CODE HERE
End If
adoRecSound.Close
End If
Else
adoRecSound.Close
End If

'clean up
Set adoRecSound = Nothing
End If

'check for messages to everyone for flashing
Dim adoRecFlash As New ADODB.Recordset
adoRecFlash.Open "connection string", conSQL, adOpenStatic, adLockOptimistic

'pull ID and class, loop either staff or room array
Dim strClass As String
Dim i, intEnd, intID As Integer

Do While Not adoRecFlash.EOF
strClass = adoRecFlash.Fields("To_Class")
intID = adoRecFlash.Fields("ID")

'do some stuff here

adoRecFlash.MoveNext
Loop

MsgBox "Flash work ended", vbOKOnly, "Flash Work End"

'clean up
adoRecFlash.Close

MsgBox "adorecflash closed", vbOKOnly, "Closing adorecflash"
Set adoRecFlash = Nothing

'this msgbox gets shown:
MsgBox "adorecflash = nothing", vbOKOnly, "AdoRecFlash is Nothing"

conSQL.Close

'it doesn't make it here:
MsgBox "After Flash, Pre-pop-up", vbOKOnly, "A Flash, B pop-up"

Close DB Connection (Type Mismatch)
I am getting a type mismatch on the highlighted. Do I need to set both the connection and recordset even though they are Dimmed public?

VB Code:
Public Sub CloseConnection()    'Set m_ADORs = New ADODB.Recordset    'Set m_ADOCon = New ADODB.Connection        If [hl]m_ADORs[/hl] = adStateOpen Then        m_ADORs.Close    End If        Set m_ADORs = Nothing        If m_ADOCon = adStateOpen Then        m_ADOCon.Close    End If        Set m_ADOCon = NothingEnd Sub

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