Re: Trying to populate a Combo Box from SQL DB
- From: "Dmitriy Antonov" <antonovdima@xxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 11 Apr 2008 17:51:37 -0400
1. You probably need to clear Combobox instead of Refreshing it before the
loop.
2. Most likely it is the server-side cursor, which always returns
RecordCount=-1.
This loop should work correctly:
Do Until myRecSet.EOF
...
myRecSet.MoveNext
Loop
2a. It never hurts to put a breakpoint and step the code a little bit.
3. This is the wrong group intended for Classic VB. So I can be totally
wrong here. For .NET you have [much] better chance to get correct answer in
one of the groups with dotnet in its name.
Dmitriy.
"PGM" <pmatthews@xxxxxxx> wrote in message
news:%23vK90KBnIHA.980@xxxxxxxxxxxxxxxxxxxxxxx
I am trying to populate a combo box using a simple SQL query to a database
but all I get in the combo box is "System._ComObject" . Any suggestions are
greatly appreciated
On Error Resume Next
Dim strSQL As String
Dim strConn As String
Dim i As Integer
strSQL = "SELECT F2 FROM dbo.Masterserver WHERE F2 like 't%'"
strConn = "Provider=SQLOLEDB.1;Password=vbuser;Persist Security
Info=True;User ID=VBuser;Initial Catalog=Masterserver;Data
Source=patmtest\sqlexpress"
MyConnObj = New ADODB.Connection
MyConnObj.Open(strConn)
cmdselect = New ADODB.Command
cmdselect.ActiveConnection = MyConnObj
cmdselect.CommandText = strSQL
myRecSet = New ADODB.Recordset
myRecSet.Open(strSQL, MyConnObj, ADODB.CursorTypeEnum.adOpenKeyset,
ADODB.LockTypeEnum.adLockOptimistic, ADODB.CommandTypeEnum.adCmdText)
MsgBox("Total Number of records = " & myRecSet.RecordCount) 'Test SQL
query
ComboBox1.Refresh()
myRecSet.MoveFirst()
For i = 1 To myRecSet.RecordCount
ComboBox1.Items.Add(myRecSet.Fields("F2"))
Next i
myRecSet.Close()
MyConnObj.Close()
myRecSet = Nothing
MyConnObj = Nothing
.
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