public async void OnNavigatedTo (NavigationContext navigationContext)
{
mIsCancelEdit = false;
Help = navigationContext.Parameters[ParameterKeys.HELP ] as UIHelp;
mIsAddnew = Help.Id == 0;
if(mIsAddnew == false && Help.IsRtfDataLoaded == false)
{
ShowBusyBox();
try
{
Help.RtfData = await Task.Run<string>(() => { return mHelpService.GetHelpRtfData(Help.Id); });
Help.IsRtfDataLoaded = true;
} catch(Exception e)
{
e.Show();
mRegionManager.Regions[RegionNames.WORK_SPACE_REGION].RequestNavigate(typeof(HelpMgmtView).FullName);
}
CloseBusyBox();
}
Help.BeginEdit();
}
