private void btnAddLine_Click(object sender, EventArgs e) { object objValue = searchLookUpCard.EditValue; if (objValue == null) { return; } CardPermission cardPermission = new CardPermission(); cardPermission.CreatedBy = StaticData.CurrentUserId; cardPermission.CreatedDate = DateTime.Now; cardPermission.UserId = UserId; cardPermission.CardId = Convert.ToInt32(objValue); Operation <CardPermission> operation = OperationHandler.PostCardPermission(cardPermission); if (!operation.Successful) { MessageBox.Show(operation.Fail); } refreshLines(); }