private void btnView_Click(object sender, EventArgs e) { gvDesignation.Visible = true; ClearControls(); DLDesignation objDLDesignation = new DLDesignation(); gvDesignation.DataSource = objDLDesignation.FetchDesginations(); if (gvDesignation.Rows.Count > 0) { for (int i = 0; i <= gvDesignation.Rows.Count - 1; i++) { gvDesignation.Columns[0].Visible = false; } } }