Datagridview two checkbox column control

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Hi,

I have a datagridview with 11 column. 6. and 7. columns are checkbox column. if 6. column is Checked, it must be UnChecked automaticaly when select 7. column (Checked) in current row.

I tried alot of thing but I cann't do it.

What I have tried:

VB

Private Sub dgTestler_CellContentClick(sender As Object, e As DataGridViewCellEventArgs) Handles dgTestler.CellContentClick

        If e.RowIndex >= 0 Then
            If dgTestler.Rows(e.RowIndex).Cells(6).Selected = True Then
                If dgTestler.Rows(e.RowIndex).Cells(6).Value = False And dgTestler.Rows(e.RowIndex).Cells(7).Value = False Then
                    dgTestler.Rows(e.RowIndex).Cells(6).Selected = True
                    dgTestler.Rows(e.RowIndex).Cells(9).Value = dgTestler.Rows(e.RowIndex).Cells(8).Value
                    GenelToplam = GenelToplam + dgTestler.Rows(e.RowIndex).Cells(9).Value
                    dgTestler.Rows(e.RowIndex).Cells(10).Value = dgTestler.Rows(e.RowIndex).Cells(8).Value * 100
                    dgTestler.Rows(e.RowIndex).Cells(11).Value = 1
                    TextBox1.Text = GenelToplam.ToString()
                    Exit Sub

                ElseIf dgTestler.Rows(e.RowIndex).Cells(6).Value = True And dgTestler.Rows(e.RowIndex).Cells(7).Value = False Then
                    dgTestler.Rows(e.RowIndex).Cells(6).Selected = False
                    GenelToplam = GenelToplam - dgTestler.Rows(e.RowIndex).Cells(9).Value
                    dgTestler.Rows(e.RowIndex).Cells(9).Value = ""
                    dgTestler.Rows(e.RowIndex).Cells(10).Value = ""
                    dgTestler.Rows(e.RowIndex).Cells(11).Value = ""
                    TextBox1.Text = GenelToplam.ToString()
                    Exit Sub
                ElseIf dgTestler.Rows(e.RowIndex).Cells(6).Value = True And dgTestler.Rows(e.RowIndex).Cells(7).Value = True Then
                    dgTestler.Rows(e.RowIndex).Cells(6).Selected = True
                    dgTestler.Rows(e.RowIndex).Cells(7).Selected = False
                    dgTestler.Rows(e.RowIndex).Cells(9).Value = dgTestler.Rows(e.RowIndex).Cells(8).Value
                    GenelToplam = GenelToplam + dgTestler.Rows(e.RowIndex).Cells(9).Value
                    dgTestler.Rows(e.RowIndex).Cells(10).Value = dgTestler.Rows(e.RowIndex).Cells(8).Value * 100
                    dgTestler.Rows(e.RowIndex).Cells(11).Value = 1
                    TextBox1.Text = GenelToplam.ToString()
                    Exit Sub
                End If

            ElseIf dgTestler.Rows(e.RowIndex).Cells(7).Selected = True Then
                If dgTestler.Rows(e.RowIndex).Cells(7).Value = False And dgTestler.Rows(e.RowIndex).Cells(6).Value = False Then
                    dgTestler.Rows(e.RowIndex).Cells(7).Selected = True
                    'GenelToplam = GenelToplam - dgTestler.Rows(e.RowIndex).Cells(9).Value
                    dgTestler.Rows(e.RowIndex).Cells(9).Value = 0
                    dgTestler.Rows(e.RowIndex).Cells(10).Value = 0
                    dgTestler.Rows(e.RowIndex).Cells(11).Value = 1
                    'TextBox1.Text = GenelToplam.ToString()
                    Exit Sub
                ElseIf dgTestler.Rows(e.RowIndex).Cells(7).Value = True And dgTestler.Rows(e.RowIndex).Cells(6).Value = False Then
                    dgTestler.Rows(e.RowIndex).Cells(7).Selected = False
                    'GenelToplam = GenelToplam - dgTestler.Rows(e.RowIndex).Cells(9).Value
                    dgTestler.Rows(e.RowIndex).Cells(9).Value = ""
                    dgTestler.Rows(e.RowIndex).Cells(10).Value = ""
                    dgTestler.Rows(e.RowIndex).Cells(11).Value = ""
                    'TextBox1.Text = GenelToplam.ToString()
                    Exit Sub
                ElseIf dgTestler.Rows(e.RowIndex).Cells(7).Value = True And dgTestler.Rows(e.RowIndex).Cells(6).Value = True Then
                    dgTestler.Rows(e.RowIndex).Cells(6).Selected = False
                    dgTestler.Rows(e.RowIndex).Cells(7).Selected = True
                    GenelToplam = GenelToplam - dgTestler.Rows(e.RowIndex).Cells(9).Value
                    dgTestler.Rows(e.RowIndex).Cells(9).Value = 0
                    dgTestler.Rows(e.RowIndex).Cells(10).Value = 0
                    dgTestler.Rows(e.RowIndex).Cells(11).Value = 1
                    TextBox1.Text = GenelToplam.ToString()
                    Exit Sub
                End If

            End If

        End If
End Sub

Posted 10-May-17 2:48am

bellatriks

Updated 10-May-17 5:08am

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Comments

Maciej Los 10-May-17 9:32am

Does the DataGridView is bound with database?

bellatriks 10-May-17 9:51am

Yes, DataGridView is get datas from SQL database.

Maciej Los 10-May-17 10:54am

OK. What you use: DataTable or BindingSource?

bellatriks 10-May-17 10:57am

None. I have use DataReader.

If rdr.HasRows Then
While rdr.Read()
Dim r As Integer = dgTestler.Rows.Add()
dgTestler.Rows.Item(r).Cells(0).Value = rdr(0)
dgTestler.Rows.Item(r).Cells(1).Value = rdr(1)
dgTestler.Rows.Item(r).Cells(2).Value = rdr(2)
dgTestler.Rows.Item(r).Cells(3).Value = rdr(3)
dgTestler.Rows.Item(r).Cells(4).Value = rdr(4)
dgTestler.Rows.Item(r).Cells(5).Value = rdr(5)
dgTestler.Rows.Item(r).Cells(6).Value = False
dgTestler.Rows.Item(r).Cells(7).Value = False
dgTestler.Rows.Item(r).Cells(8).Value = rdr(6)
AgirlikToplami = AgirlikToplami + rdr(6)
'Bulgular.rtxtTitle.Text = rdr(5).ToString()
End While
End If

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Maciej Los · Answer 1 · 2017-05-10T05:07:00

If the datagridview is bound with a datasource, such as BindingSource or DataSet (DataTable), you have to update your datasource. See:
How to: Edit Rows in a DataTable[^]
How to: Reflect Data Source Updates in a Windows Forms Control with the BindingSource[^]
How to: Perform a Custom Action Based on Changes in a Cell of a Windows Forms DataGridView Control[^]