private void changepassword(object sender, System.Windows.RoutedEventArgs e) { if (pd_oldpass.Password.Trim().ToString() == "" || pd_newpass.Password.Trim().ToString() == "" || pb_comform.Password.Trim().ToString() == "") { MessageBox.Show("Please fill all field"); return; } if (pd_newpass.Password.Trim().ToString() != pb_comform.Password.Trim().ToString()) { MessageBox.Show("New Password and confirm password does not match"); return; } loginmodel l = new loginmodel(); if (l.update(1,pd_oldpass.Password.Trim().ToString(),pd_newpass.Password.Trim().ToString())) { MessageBox.Show("Password Changed Sucessfully"); } }