/// <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.");
}
}
}
/// <summary>
/// Go to the first dataset
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void First()
{
if (AnalyticalInstruments.Count != 0)
{
SelectedAnalyticalInstrument = AnalyticalInstruments.First();
}
}
//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();
}
}