private void btnSaveGrade_Click(object sender, RoutedEventArgs e)
{
if (dgWarrior.SelectedItem == null)
{
return;
}
NatureRequirement natureRequire = dgGrade.ItemsSource as NatureRequirement;
if (natureRequire == null)
{
return;
}
string gradeConditionStr = natureRequire.ConvertToJson();
(dgWarrior.SelectedItem as DataRowView)["GradeCondition"] = gradeConditionStr;
}
