string str1 = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[7].Controls[0])).Text.ToString().Trim();str1 = ((TextBox)(GridView1.Rows[e.Rowstring str1 = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[7].Controls[0])).Text.ToString().Trim();str1 = ((TextBox)(GridView1.Rows[e.Row