title: How to find column name with column index in DataGridView?
body: <p>I want to find column name in <code>DataGridView</code>.
  I have column index. How can I find it.</p>
  
  <p><code>dGVTransGrid.CurrentCell.ColumnIndex</code>: I want it's column name.</p>
  
  <p>Plz help.</p>
  
  <p>Thanks.</p>