Add event to delete button in a data grid view...

Posted on 2014-10-21
Last Modified: 2014-10-21
The DGV I have gets filled with data in run-time. It has a delete buttons (in the row headers) but they don't show up in design view. Therefore, I am not able just double click on it to access its click event.

Question: How can I add a click event to this button?
Question by:Mike Eghtebas
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LVL 18

Expert Comment

ID: 40395090
Use the cellclick event of the datagridview.  Then you have to compare the column index to make sure the column with the button was the one that was clicked.
LVL 18

Accepted Solution

UnifiedIS earned 500 total points
ID: 40395104
Here's some sample code:
First checking for a valid row, then comparing the clicked index with the index of a column. In this case, the dgv is dgvMyMilestones and the column with the button is dgvMyMilstones_Milestone. I reference the column name so I can rearrange columns without modifying code.
 If e.RowIndex > -1 Then
            Select Case e.ColumnIndex
                Case Me.dgvMyMilestones.Columns(Me.dgvMyMilestones_Milestone.Name).Index
                    Dim dgr As DataGridViewRow = Me.dgvMyMilestones.Rows(e.RowIndex)
LVL 33

Author Comment

by:Mike Eghtebas
ID: 40395117
Thanks for the post. While I am trying your post, please take a look to see if the following is a worablw solution:

    Private Sub OrderDGV_CellContentClick(sender As Object, e As DataGridViewCellEventArgs) Handles OrderDGV.CellContentClick

        Dim x As String

        x = OrderDGV.Rows(e.RowIndex).Cells(e.ColumnIndex).Value

        If x = "Delete -->" Then

        End If

End Sub

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LVL 40
ID: 40395133
If you mean the selection button, the grey button that shows as a row header, you can react with the following code:

Private Sub DataGridView1_CellClick(sender As Object, e As DataGridViewCellEventArgs) Handles DataGridView1.CellClick

	If e.ColumnIndex = -1 Then
		MessageBox.Show("You clicked on the header of row " & e.RowIndex)
		MessageBox.Show("You clicked in cell (" & e.ColumnIndex & "," & e.RowIndex & ")")
	End If

End Sub

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LVL 18

Expert Comment

ID: 40395141
cellcontentclick is different than cellclick, it might not make a difference if your column is a button but it seems like cellcontentclick is a little more stingy on when it accepts a click (i.e. only if you click the content in the cell and not blank space in the cell).
Looks like your message box will show "Delete -->" when the clicked cell also shows "Delete -->".
If that's the goal, looks like it will work.
If you define your columns, then you can reference the name of the column.
Name your button column OrderDGV_Delete and then you can compare e.columnindex with OrderDGV.cells(
IF e.rowindex >-1 andalso e.columnindex = OrderDGV.cells( then...
LVL 33

Author Comment

by:Mike Eghtebas
ID: 40395417
Hi James,

Thank you for the good solution. I did not see your post when I closed the question. Do you want me to post a request to split the point?

LVL 40
ID: 40395727
I would appreciate it. Thank you.

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