protected void btnup_Click(object sender, EventArgs e) { int stat = 0; User user2 = new User(); user2.fName = txtfName.Text; user2.lName = txtlName.Text; user2.addr = txtAddr.Text; user2.contactNo = txtTel.Text; user2.gender = (rdpGender.SelectedValue == "Female") ? 1 : 0; user2.dob = Calendar1.SelectedDate; user2.email = txtEmail.Text; user2.NIC = txtNIC.Text; stat = user2.updateUser(); Response.Redirect("Default.aspx?addS=" + stat, true); }