VB Question - DB Grid

Posted on 1998-08-03
Medium Priority
Last Modified: 2010-05-03
Q.  In an Access table, when you press Ctrl + ',  it copies the value  of the field above to the current field. My question is how we can implement that in a DB Grid in Visual Basic?

Thanks a bunch,

Question by:johnny_imam
  • 2

Expert Comment

ID: 1467663
I would simply use the KeyPressed event in the DB Grid.  There you have the row and column numbers of the current cell - substract one to get the previos row - and take the content of that cell...

Author Comment

ID: 1467664
In the KeyPress event, Row and Col are not sent as parameters. And even if you did know the current row, how would you get the value of the field in the previous row without making the previos row current.

Accepted Solution

jeffcameron earned 200 total points
ID: 1467665
'This works with the plus key not ctrl '+' I could not get the 'plus key to work with the ctrl key in the keypress or keydown 'events

'grdDataGrid is the name of the grid
'dbSource is the name of the datasource attached to the grid

Private Sub grdDataGrid_KeyPress(KeyAscii As Integer)
Dim colFields As New Collection
Dim i As Integer

Select Case KeyAscii

Case 61:

If dbsource.Recordset Is Nothing Then exit sub

With dbsource.Recordset

If .RecordCount = 0 Then exit sub    

    For i = 0 To .Fields.count - 1
        colFields.Add .Fields(i).Value
    Next i
    On Error GoTo errFirstRecord
    On Error GoTo 0
    For i = 0 To .Fields.count - 1
        .Fields(i).Value = colFields(i + 1)
    Next i
Exit Sub

End With

MsgBox "Cannot perform operation on first record in recordset"
Exit Sub

End Select

End Sub

Author Comment

ID: 1467666

This piece of code will not solve my problem. The code above copies all the fields from one row to another. I need the flexibility of just copying one field at a time. Because the data entry person might only wants to copy certain fields. When I am in a new row, Ctrl + ' should copy the value of the field in the above row to the field in the current row. But do not try to update the current row yet, because the user might not be done inputing  all the fields. I need a solution that will copy the data from the field above to the field in the current row without leaving the current row or updating the current row. Just like in a table in Access.


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