-
vb6 to vb7 conversion
I have a simple VB.NET question
I upgraded this simple testform to VB.NET
there are no compile errors but when i click on the command button the
program hangs with a com error
it hangs when it reaches this line rs.Open()
anybody has any ideas
TIA
Denis@rawinteractive.com
************************************************VB6*************************
********************
Private Sub Command3_Click()
Dim cn As New ADODB.Connection, rs As New ADODB.Recordset
Const DBPATH = "D:\Parma\Parma.mdb;Persist Security Info=False"
cn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & DBPATH
Set rs.ActiveConnection = cn
rs.Source = "Select * from workers where ID = 1"
rs.Open
txtLastName.Text = rs("LastName")
txtFirstName.Text = rs("FirstName")
rs.Close
cn.Close
Set cn = Nothing
Set rs = Nothing
End Sub
************************************************VB.NET**********************
***********************
Private Sub Command3_Click(ByVal eventSender As System.Object, ByVal
eventArgs As System.EventArgs)
Dim cn As ADODB.Connection = New ADODB.Connection()
Dim rs As ADODB.Recordset = New ADODB.Recordset()
Const DBPATH As String = "D:\Parma\Parma.mdb;Persist Security
Info=False"
cn.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" &
DBPATH)
rs.ActiveConnection = cn
rs.Source = "Select * from workers where ID = 1"
rs.Open()
txtLastName.Text = rs.Fields("LastName").Value
txtFirstName.Text = rs.Fields("FirstName").Value
rs.Close()
cn.Close()
cn = Nothing
rs = Nothing
End Sub
-
Re: vb6 to vb7 conversion
Try passing
System.Reflection.Missing.Value
in every method with optional parameters. (1 for each unused parameter).
Sometimes it helps.
--
Jonathan Allen
"Denis" <denis@rawinteractive.com> wrote in message
news:3a2d3f37$1@news.devx.com...
> I have a simple VB.NET question
> I upgraded this simple testform to VB.NET
> there are no compile errors but when i click on the command button the
> program hangs with a com error
> it hangs when it reaches this line rs.Open()
> anybody has any ideas
> TIA
> Denis@rawinteractive.com
>
>
************************************************VB6*************************
> ********************
>
>
> Private Sub Command3_Click()
>
> Dim cn As New ADODB.Connection, rs As New ADODB.Recordset
>
>
> Const DBPATH = "D:\Parma\Parma.mdb;Persist Security Info=False"
>
> cn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & DBPATH
> Set rs.ActiveConnection = cn
> rs.Source = "Select * from workers where ID = 1"
> rs.Open
> txtLastName.Text = rs("LastName")
> txtFirstName.Text = rs("FirstName")
> rs.Close
> cn.Close
> Set cn = Nothing
> Set rs = Nothing
>
>
>
> End Sub
>
>
************************************************VB.NET**********************
> ***********************
>
> Private Sub Command3_Click(ByVal eventSender As System.Object, ByVal
> eventArgs As System.EventArgs)
>
> Dim cn As ADODB.Connection = New ADODB.Connection()
> Dim rs As ADODB.Recordset = New ADODB.Recordset()
>
>
> Const DBPATH As String = "D:\Parma\Parma.mdb;Persist Security
> Info=False"
>
> cn.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" &
> DBPATH)
> rs.ActiveConnection = cn
> rs.Source = "Select * from workers where ID = 1"
> rs.Open()
> txtLastName.Text = rs.Fields("LastName").Value
> txtFirstName.Text = rs.Fields("FirstName").Value
> rs.Close()
> cn.Close()
> cn = Nothing
> rs = Nothing
>
>
>
> End Sub
>
>
-
Re: vb6 to vb7 conversion
thanks i'll try it out
"Jonathan Allen" <greywolfcs@bigfoot.com> wrote in message
news:3a2d514f@news.devx.com...
> Try passing
> System.Reflection.Missing.Value
>
> in every method with optional parameters. (1 for each unused parameter).
> Sometimes it helps.
>
>
> --
> Jonathan Allen
>
>
>
> "Denis" <denis@rawinteractive.com> wrote in message
> news:3a2d3f37$1@news.devx.com...
> > I have a simple VB.NET question
> > I upgraded this simple testform to VB.NET
> > there are no compile errors but when i click on the command button the
> > program hangs with a com error
> > it hangs when it reaches this line rs.Open()
> > anybody has any ideas
> > TIA
> > Denis@rawinteractive.com
> >
> >
>
************************************************VB6*************************
> > ********************
> >
> >
> > Private Sub Command3_Click()
> >
> > Dim cn As New ADODB.Connection, rs As New ADODB.Recordset
> >
> >
> > Const DBPATH = "D:\Parma\Parma.mdb;Persist Security Info=False"
> >
> > cn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & DBPATH
> > Set rs.ActiveConnection = cn
> > rs.Source = "Select * from workers where ID = 1"
> > rs.Open
> > txtLastName.Text = rs("LastName")
> > txtFirstName.Text = rs("FirstName")
> > rs.Close
> > cn.Close
> > Set cn = Nothing
> > Set rs = Nothing
> >
> >
> >
> > End Sub
> >
> >
>
************************************************VB.NET**********************
> > ***********************
> >
> > Private Sub Command3_Click(ByVal eventSender As System.Object, ByVal
> > eventArgs As System.EventArgs)
> >
> > Dim cn As ADODB.Connection = New ADODB.Connection()
> > Dim rs As ADODB.Recordset = New ADODB.Recordset()
> >
> >
> > Const DBPATH As String = "D:\Parma\Parma.mdb;Persist
Security
> > Info=False"
> >
> > cn.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" &
> > DBPATH)
> > rs.ActiveConnection = cn
> > rs.Source = "Select * from workers where ID = 1"
> > rs.Open()
> > txtLastName.Text = rs.Fields("LastName").Value
> > txtFirstName.Text = rs.Fields("FirstName").Value
> > rs.Close()
> > cn.Close()
> > cn = Nothing
> > rs = Nothing
> >
> >
> >
> > End Sub
> >
> >
>
>
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