protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { string smcid = ((Label)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Label1")).Text.ToString(); bm.DeleteStudentFromCourse(smcid); bm.DeleteStudentFromGradeList(smcid, Request.QueryString["id"].ToString()); DataBindListDouble(Request.QueryString["id"].ToString()); }