protected void btnAdd_Click(object sender, EventArgs e) { try { if (Page.IsValid) { BECourseAdmin objBEAdmin = new BECourseAdmin(); BCourseAdmin objBAdmin = new BCourseAdmin(); objBEAdmin.IntStudentID = 0;//Convert.ToInt32(rcbStudent.SelectedValue); DataTable objDt = new DataTable(); objDt.Columns.Add("StudentID"); string studentName = string.Empty; foreach (RadComboBoxItem ChkStudent in rcbStudent.Items) { if (ChkStudent.Checked) { DataRow objDr = objDt.NewRow(); objDr["StudentID"] = ChkStudent.Value; objDt.Rows.Add(objDr); if (studentName == string.Empty) { studentName = ChkStudent.Text; } else { studentName = studentName + ',' + ' ' + ChkStudent.Text; } } } objDt.AcceptChanges(); objBEAdmin.DtResult1 = objDt; objBEAdmin.IntUserID = Convert.ToInt32(Request.QueryString["InstructorID"].ToString()); objBEAdmin.IntCourseID = Convert.ToInt32(Request.QueryString["Courseid"].ToString()); objBAdmin.BCourseAdminEnrollStudents(objBEAdmin); trMessage.Visible = true; if (objBEAdmin.IntResult.ToString() == "1") { lblInfo.Text = Resources.AppMessages.Admin_Enrollment_Success_AddEnrollment; lblInfo.ForeColor = System.Drawing.Color.FromName(Resources.AppConfigurations.Color_Success); ImgInfo.ImageUrl = Resources.AppConfigurations.Image_Success; tdInfo.Attributes.Add("style", Resources.AppConfigurations.Color_Table_Success); lblStudentnameConfirmation.Text = studentName;//rcbStudent.SelectedItem.Text; trUpdate.Visible = false; lblInstuctorNameConfirm.Text = lblInstructor.Text; lblCourseNameConfirm.Text = lblCourse.Text; trAddEnrollment.Visible = false; trAddEnrollmentConfirmation.Visible = true; } else { lblInfo.Text = Resources.AppMessages.Admin_Enrollment_Error_AddEnrollment; lblInfo.ForeColor = System.Drawing.Color.FromName(Resources.AppConfigurations.Color_Error); ImgInfo.ImageUrl = Resources.AppConfigurations.Image_Error; tdInfo.Attributes.Add("style", Resources.AppConfigurations.Color_Table_Error); trAddEnrollment.Visible = true; trAddEnrollmentConfirmation.Visible = false; } } } catch { } }