protected void LinkButtonAddTestCenter_Click(object sender, EventArgs e) { if (Session["LabId"] != null) { if (TextBoxCenterName.Text == "" || TextBoxCenterCode.Text == "") { messagediv.Visible = true; messagediv.Attributes["class"] = "fixed-message rounded alert bg-danger alert-dismissible animated fadeIn text-center text-white"; mesaagetxt.InnerHtml = "Error! Please fill all required field."; } else { string response = operation.AddTestCenter(TextBoxCenterName.Text, TextBoxCenterCode.Text, Session["LabId"].ToString()); if (response == "SUCCESS") { messagediv.Visible = true; messagediv.Attributes["class"] = "fixed-message rounded alert bg-success alert-dismissible animated fadeIn text-center text-white"; mesaagetxt.InnerHtml = "Success."; BindPage(); } else if (response == "ERROR") { messagediv.Visible = true; messagediv.Attributes["class"] = "fixed-message rounded alert bg-danger alert-dismissible animated fadeIn text-center text-white"; mesaagetxt.InnerHtml = "Error! something went wrong please try again later."; } } } else { messagediv.Visible = true; messagediv.Attributes["class"] = "fixed-message rounded alert bg-warning alert-dismissible animated fadeIn text-center text-white"; mesaagetxt.InnerHtml = "session out!"; } }