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'在DataGridView加載數據的事件裏面,例如查詢按鈕的click事件,添加以下代碼:
For i As Integer = 0 To dgv.RowCount - 1
dgv.Rows(i).HeaderCell.Value = (i + 1).ToString
Next
dgv.RowHeadersWidthSizeMode = DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders
......
'在DataGridView的Sorted事件裏面再添加以下代碼:
'dgv為DataGridView控件名
Private Sub dgv_Sorted(ByVal sender As Object, ByVal e As System.EventArgs) Handles dgv.Sorted
For i As Integer = 0 To dgv.RowCount - 1
dgv.Rows(i).HeaderCell.Value = (i + 1).ToString
Next
dgv.RowHeadersWidthSizeMode = DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders
End Sub