private void regclk(object sender, RoutedEventArgs e) { string u_nam = unam.Text; string name = nam.Text; string f_key = fkey.Text; string pass1 = pass.Password; string pass2 = cpass.Password; if (u_nam == "") { massage mass = new massage("Input User Name.."); mass.ShowDialog(); } else if (name == "") { massage mass = new massage("Input Name.."); mass.ShowDialog(); } else if (f_key == "") { massage mass = new massage("Input Forgot key.."); mass.ShowDialog(); } else if (pass1 == "") { massage mass = new massage("Input Password.."); mass.ShowDialog(); } else if (pass2 == "") { massage mass = new massage("Input Confirm Password.."); mass.ShowDialog(); } else { if (pass1 == pass2) { try { config cn = new config(); SqlConnection sqlcon = cn.cunnection(); SqlCommand cmd = new SqlCommand("insert into regis values(@a,@b,@c,@d)", sqlcon); cmd.Parameters.Add("@a", SqlDbType.VarChar).Value = u_nam; cmd.Parameters.Add("@b", SqlDbType.VarChar).Value = name; cmd.Parameters.Add("@c", SqlDbType.VarChar).Value = f_key; cmd.Parameters.Add("@d", SqlDbType.VarChar).Value = pass1; sqlcon.Open(); int rows = cmd.ExecuteNonQuery(); if (rows > 0) { massage mass = new massage("Registration Successful !!"); mass.ShowDialog(); main mi = new main(u_nam); mi.Show(); this.Close(); } sqlcon.Close(); } catch (Exception) { massage mass = new massage("This User Name is Alrady Used !!"); mass.ShowDialog(); } } else { massage mass = new massage("Password does not Match !!"); mass.ShowDialog(); } } }