public WindowViewModel()
{
ProjectTimeDataCollectionViewModel = new ProjectTimeDataCollectionViewModel();
//NewProjectTimeDataViewModel = new ProjectTimeDataViewModel();
//SelectedProjectTimeDataViewModel = new ProjectTimeDataViewModel();
AddItemCommand = new AddItemCommand(AddItem);
//might need to initialize NewProjectTimeDataViewModel values to 0 here
}
public void AddItem(object param)
{
ProjectTimeDataCollectionViewModel.AddItem(NewProjectDisplayName, NewProjectChargeNumber);
NewProjectDisplayName = NewProjectChargeNumber = string.Empty;
}