private void load_dropdown()
{
SaleInvoice repository = new SaleInvoice();
var result = repository.GetAll().Where(r => r.Deleted == false).Select(r => new { id = r.InvoiceId, name = r.InvoiceNo }).ToList();
result.Insert(0, new { id = 0, name = "--SELECT ID--" });
DropDownList1.DataSource = result;
DropDownList1.DataBind();
}
