Extracting the content of datagridview cells

[pachjo]

Where is the best place to put your code to get the row/cell data after a user selects a datagridview row?

I notice that as soon as my app starts the code below fires even before the form opens.

Also I get an error on the first line stating object not set or an error for the second row of index out of range?

I want to store each cell from the selected row into their corresponding string variables.

Private Sub dgvUndelivered_SelectionChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles dgvUndelivered.SelectionChanged

        strDetail = Me.dgvUndelivered.SelectedRows(0).Cells("ORDER").Value

        strDetail = Me.dgvUndelivered.SelectedRows(0).Cells(0).Value

Thnx

 

[Icecat]

use "try"

"index out of range" is because your dgv cells having null value at the first load until u fill it, i thought
so put it in "try"

Try
strDetail = Me.dgvUndelivered.SelectedRows(0).Cells("ORDER").Value

strDetail = Me.dgvUndelivered.SelectedRows(0).Cells(0).Value

Catch ex As Exception

End Try

 

[JohnH]

It is in most cases best to avoid TryCatch if you don't need it, like here you can check if there actually is any selected rows before you access them.

Private Sub DataGridView1_SelectionChanged(ByVal sender As Object, ByVal e As System.EventArgs) _
Handles DataGridView1.SelectionChanged
    If Me.DataGridView1.SelectedRows.Count > 0 Then
        Me.Text = Me.DataGridView1.SelectedRows(0).Cells(0).Value
    End If
End Sub

 

[pachjo]

Thanks chaps!

The .count method worked a treat.

 

[Icecat]

thanks

if i dont know how to handling error i ussualy use try catch
and .count give me 1 more error handling
thanks for .count