protected override void CleanData()
{
demo.pivotGrid.DataSource = null;
if (dataContext != null)
{
dataContext.Dispose();
dataContext = null;
}
}
protected override bool LoadData()
{
dataContext = DatabaseHelper.GetContext();
if (dataContext == null)
{
return(false);
}
try {
LinqServerModeDataSource dataSource = new LinqServerModeDataSource();
dataSource.QueryableSource = dataContext.Sales;
demo.pivotGrid.SetDataSourceAsync(dataSource);
}
catch {
return(false);
}
return(true);
}
public static PivotGridDemoDBDataContext GetContext()
{
PivotGridDemoDBDataContext context = new PivotGridDemoDBDataContext(ServerParameters.GetDBConnectionString());
bool databaseOK = false;
try {
databaseOK = context.DatabaseExists();
}
finally {
if (!databaseOK)
{
context.Dispose();
context = null;
}
}
return(context);
}
