public void UpdateItem(CustomerDataString item)
        {
            //save item
            EditRowId = "Z";
            CustomersDataSet.RowEditOptions.EditRowId = EditRowId;

            var updateItem = CustomersDataSet.Items.FirstOrDefault(s => s.CustomerId == item.CustomerId);

            updateItem = item;
            EditMode   = !EditMode;
        }
 public void EditItem(CustomerDataString item)
 {
     EditRowId = item.CustomerId;
     CustomersDataSet.RowEditOptions.EditRowId = item.CustomerId;
     EditMode = !EditMode;
 }