private void DeliveredDatePicker_Validating(object sender, System.ComponentModel.CancelEventArgs e) { if (DeliveredDatePicker.Format == DateTimePickerFormat.Custom) { SupplyErrorProvider.SetError(DeliveredDatePicker, Resources.ValidationMandatory); e.Cancel = true; } else { SupplyErrorProvider.SetError(DeliveredDatePicker, ""); } }
private void SupplierNameTextBox_Validating(object sender, System.ComponentModel.CancelEventArgs e) { if (SupplierNameTextBox.Text.IsNullOrWhiteSpace()) { SupplyErrorProvider.SetError(SupplierNameTextBox, Resources.ValidationMandatory); e.Cancel = true; } else if (SupplierNameTextBox.Text.Length > 50) { SupplyErrorProvider.SetError(SupplierNameTextBox, Resources.ValidationLength.FormatWith(50)); e.Cancel = true; } else { SupplyErrorProvider.SetError(SupplierNameTextBox, ""); } }