/// <summary>
/// Refreshing the dataset
/// </summary>
public override void Refresh()
{
if (!DataValidation.CheckPrerequisites(CRUD.Load))
{
return;
}
tblMeasuringDevice current = SelectedAnalyticalInstrument;
int id = 0;
try
{
if (SelectedAnalyticalInstrument != null)
{
id = SelectedAnalyticalInstrument.mdIdPk;
}
LoadData();
SelectedAnalyticalInstrument = AnalyticalInstruments.Where(p => p.mdIdPk == id).First();
}
catch
{
try
{
LoadData();
SelectedAnalyticalInstrument = new tblMeasuringDevice();
}
catch
{
((ShellViewModel)IoC.Get <IShell>()).ShowError("An unexpeced error occured.");
}
}
}
// Sets up the form so that user can enter data. Data is later
// saved when user clicks Commit.
public void Add()
{
if (!DataValidation.CheckPrerequisites(CRUD.Add))
{
return;
}
SelectedAnalyticalInstrument = new tblMeasuringDevice();
SelectedAnalyticalInstrument.mdUploaderId = (int)((ShellViewModel)IoC.Get <IShell>()).UserId;
}
//Loading filtered data
private async void LoadData()
{
if (!ServerInteractionHelper.IsNetworkAvailable() && !ServerInteractionHelper.TryAccessDatabase())
{
AnalyticalInstruments = new BindableCollection <tblMeasuringDevice>();
SelectedAnalyticalInstrument = new tblMeasuringDevice();
return;
}
try
{
await Task.Run(() =>
{
using (var db = new ApirsRepository <tblMeasuringDevice>())
{
AnalyticalInstruments = new BindableCollection <tblMeasuringDevice>(db.GetModel().ToList());
}
});
this.allAnalyticalInstruments = AnalyticalInstruments;
if (AnalyticalInstruments.Count == 0)
{
SelectedAnalyticalInstrument = new tblMeasuringDevice();
}
else if (AnalyticalInstruments.Count > 1)
{
SelectedAnalyticalInstrument = AnalyticalInstruments.First();
}
else
{
SelectedAnalyticalInstrument = AnalyticalInstruments.First();
}
}
catch (Exception e)
{
AnalyticalInstruments = new BindableCollection <tblMeasuringDevice>();
this.allAnalyticalInstruments = AnalyticalInstruments;
SelectedAnalyticalInstrument = new tblMeasuringDevice();
}
}