private void OKButton_Click(object sender, RoutedEventArgs e)
{
_vm = DataContext as DPLineItemViewModel;
string errorMsg = string.Empty;
if (_vm.SelectedProduct.Id == Guid.Empty)
{
errorMsg += "You must select a product.\n";
}
if (_vm.SelectedReason.Id == Guid.Empty)
{
errorMsg += "You must select a reason\n";
}
if (_vm.Qty == 0)
{
errorMsg += "The quantity entered should be greater than 0.\n";
}
if ((_vm.AvailableQty - _vm.Qty) < 0)
{
errorMsg += "The quantity entered is more than available inventory.\n";
}
if (_vm.SelectedReason.Reason == "Others")
{
if (txtOtherReason.Text.Trim() == "")
{
errorMsg += "You must specify other reasons.";
}
}
if (!string.IsNullOrEmpty(errorMsg))
{
MessageBox.Show(errorMsg, "Distributr: Dispatch Products", MessageBoxButton.OK);
return;
}
this.DialogResult = true;
}
public DispatchProductsLineItemModal()
{
isInitialized = false;
InitializeComponent();
isInitialized = true;
_vm = this.DataContext as DPLineItemViewModel;
this.Loaded += new RoutedEventHandler(DispatchProductsLineItemModal_Loaded);
//this.HasCloseButton = false;
}
private void txtQty_TextChanged(object sender, TextChangedEventArgs e)
{
if (!isInitialized)
return;
_vm = DataContext as DPLineItemViewModel;
decimal quantity = 0;
bool isValidQuantity = decimal.TryParse(txtQty.Text, out quantity);
_vm.Qty = quantity;
try
{
_vm.Qty = Convert.ToDecimal(txtQty.Text);
if ((_vm.AvailableQty - _vm.Qty) < 0)
{
MessageBox.Show("The quantity entered is more than available inventory");
_vm.Qty = 0;
return;
}
}
catch
{
MessageBox.Show("You have enter a digit that is too big");
}
}
/// <summary>
/// Provides a deterministic way to create the DPLineItemViewModel property.
/// </summary>
public static void CreateDPLineItemViewModel()
{
if (_dPLineItemViewModel == null)
{
_dPLineItemViewModel = new DPLineItemViewModel();
}
}
/// <summary>
/// Provides a deterministic way to delete the DPLineItemViewModel property.
/// </summary>
public static void ClearDPLineItemViewModel()
{
_dPLineItemViewModel.Cleanup();
_dPLineItemViewModel = null;
}