private void GenderComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { ///Gives the all the trniees by the selected gender traineeListView.DataContext = my_bl.ALLTraineeByParameter(X => X.MyGender == (BE.MyEnum.gender)Enum.Parse(typeof(BE.MyEnum.gender), GenderComboBox.SelectedValue.ToString())); }