protected void LinkButtonAddDoctor_Click(object sender, EventArgs e) { if (TextBoxDoctorName.Text == "" || TextBoxDegree.Text == "" || TextBoxCity.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.AddDoctor(TextBoxDoctorName.Text, TextBoxDegree.Text, TextBoxCity.Text); 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."; } } }