>i tried it also by setting usertoaddnew rows true and also false but not works try it
>i m using dot 3.5 it shows error Argument exception was unhandled
>cannot clear the list

DataGridView dgv = new DataGridView();
            dgv.AllowUserToAddRows = false;
            dgv.ColumnCount = 5;
            dgv.Rows.Add(new DataGridViewRow());
            dgv.Rows.Add(new DataGridViewRow());
            System.Diagnostics.Trace.WriteLine("Count" + dgv.Rows.Count.ToString());
            dgv.Rows.Clear();
            System.Diagnostics.Trace.WriteLine("Count" + dgv.Rows.Count.ToString());

?