protected void BindStudents()
        {
            BECourseAdmin objBEAdmin = new BECourseAdmin();
            BCourseAdmin  objBAdmin  = new BCourseAdmin();

            objBEAdmin.IntCourseID = Convert.ToInt32(Request.QueryString["Courseid"].ToString());
            objBAdmin.BGetStudentsNotInCourse(objBEAdmin);
            if (objBEAdmin.DtResult.Rows.Count > 0)
            {
                rcbStudent.AppendDataBoundItems = true;
                //rcbStudent.Items.Add(new RadComboBoxItem("--Select Student--", "-1"));
                rcbStudent.DataSource     = objBEAdmin.DtResult;
                rcbStudent.DataTextField  = "StudentName";
                rcbStudent.DataValueField = "StudentID";
                rcbStudent.DataBind();
            }
        }