protected void btnAdd_Click(object sender, EventArgs e)
        {
            try
            {
                BECourseAdmin objBECourseAdmin = new BECourseAdmin();
                BCourseAdmin  objBCourseAdmin  = new BCourseAdmin();
                objBECourseAdmin.IntUserID    = Convert.ToInt32(ddlprovider.SelectedValue);
                objBECourseAdmin.IntCourseID  = Convert.ToInt32(ddlCourse.SelectedValue);
                objBECourseAdmin.IntStudentID = Convert.ToInt32(Request.QueryString["StudentID"].ToString());
                lblCourse.Text     = ddlCourse.SelectedItem.Text;
                lblInstructor.Text = ddlprovider.SelectedItem.Text;
                objBCourseAdmin.BProviderEnrollStudentCourse(objBECourseAdmin);
                trMessage.Visible = true;
                if (objBECourseAdmin.IntResult.ToString() == "1")
                {
                    lblInfo.Text      = Resources.AppMessages.Provider_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);
                    lblCourse.Visible     = true;
                    ddlCourse.Visible     = false;
                    lblInstructor.Visible = true;
                    ddlprovider.Visible   = false;
                    trUpdate.Visible      = false;
                }

                else
                {
                    lblInfo.Text      = Resources.AppMessages.Provider_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);
                    lblCourse.Visible = false;
                    ddlCourse.Visible = true;
                    trUpdate.Visible  = true;
                }
            }

            catch (Exception Ex)
            {
                ErrorHandlers.ErrorLog.WriteError(Ex);
            }
        }