private void RefreshPreInvoices()
{
Facade.IWorkflowPreInvoice facPreInvoice = new Facade.PreInvoice();
this.DsPreInvoices = facPreInvoice.GetAllWithDetails();
ReloadCreatedByFilters();
gvPreInvoices.Rebind();
//Facade.IWorkflowPreInvoice facPreInvoice = new Facade.PreInvoice();
//this.DsPreInvoices = facPreInvoice.GetAllWithDetails();
//this.gvPreInvoices.DataSource = this.DsPreInvoices;
//this.gvPreInvoices.DataBind();
}