如何使用C＃在Windows窗体的数据网格视图中获取所选列的索引？

Question

How to get the index of the selected column in DataGridView ? (windows forms using c#)

I have a DataGridView with 30 columns in it.Now the task is,when the user clicks any of the 30 columns header,the selected column index is shown in message box.I want help to do this..

Answer 1

write your code in ColumnHeaderMouseClick

   private void dataGridView1_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
    {
        MessageBox.Show(e.ColumnIndex.ToString());
    }