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| Database General Discussion General discussion on database related topics |
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I tried this code and it succeed only for one textbox but it didn't succeed for tow textboxes
Dim cmd AsNew OleDbCommand cmd.Connection = conn conn.Open() cmd.CommandText = " SELECT Name,Place FROM TBaccount TextBox1.Text = cmd.ExecuteScalar TextBox2.Text = cmd.ExecuteScalar conn.Close() |
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This process sounds lengthy but takes about 30 seconds.
Select Data --> Add New Data Source Choose Database and click Next Click the New Connection button Click the Change button next to data source --- If it's a .mdb file you can select Microsoft Access Database File and click OK --- If it's a .accdb file select <other> from the Data source: list box Select .NET Framework Data Provider for OLE DB Click OK Select Microsoft Office 12.0 Access Database Engine OLE DB Provider --- Put the full path to your database in the Enter a server or file name: box Click the Test Connection box to make sure everything is set up correctly. Click OK Click Next Name your connection string something meaningful and click Next Select the fields you want in your DataSet. Name your DataSet Click Finish You should now have your DataSet in the Data Sources window. If you can't see it click Data --> Show Data Sources. Click the name of the table in the data set and then click on the drop down arrow. Change it from DataGridView to Details. Drag the table onto your form. Visual Studio will create a BindingSource, TableAdapter, and BindingNavigator for you. You'll also see a label with the column name and textbox for each column in your DataSet. Run your program. Enjoy writing 0 code. |
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I'm using thie code in module and called from Sub. Your way will not service me.
Here is the solution Dim sql AsString = "Select Name,Company FROM TBaccount" Dim cmd AsNew OleDbCommand(sql, conn) Dim dr As OleDbDataReader conn.Open() dr = cmd.ExecuteReader DoWhile dr.Read Form1.TextBox1.Text = dr("Name") Form1.TextBox2.Text = dr("Company") |
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Nader, take a read of the DW2 link in my signature, section "Creating a Simple Data App"
Quote:
__________________
"it's a fax from your dog, Mr Dansworth. It looks like your cat" - Gary Larson...DW1: Data Walkthroughs 1.1...DW2: Data Walkthroughs 2.0...DDS: The DataSet Designer Surface...ANO: ADO.NET2 Orientation...DAN: Deeper ADO.NET...DNU...PQ |
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