private async void BtnAddItem_Click(object sender, RoutedEventArgs e)
{
MessageDialog md;
if (cvm.Categories.Count != 0)
{
var name = Naam.Text;
var amount = 1;
var categoryName = "";
try
{
amount = Convert.ToInt32(Amount.Text);
}
catch (FormatException)
{
md = new MessageDialog("Enter a valid number");
await md.ShowAsync();
}
if (cmbCategory.SelectedItem != null)
{
categoryName = cmbCategory.SelectedItem.ToString();
}
else
{
md = new MessageDialog("You have to select a category!");
}
if (Naam.Text.Length != 0)
{
if (Amount.Text.Length != 0)
{
if (amount > 0)
{
if (cmbCategory.SelectedItem != null)
{
await cvm.AddNewItem(name, amount, categoryName);
Naam.Text = "";
Amount.Text = "";
LvCat.ItemsSource = null;
LvCat.ItemsSource = cvm.Categories;
progressbar.Maximum++;
var percentageDone = progressbar.Value / progressbar.Maximum * 100;
ItemsDone.Text = Math.Round(percentageDone).ToString() + "%";
}
else
{
md = new MessageDialog("Please select a category.");
await md.ShowAsync();
}
}
else
{
md = new MessageDialog("Amount can't be less than or equal to 0!");
await md.ShowAsync();
}
}
else
{
md = new MessageDialog("Amount can't be empty!");
await md.ShowAsync();
}
}
else
{
md = new MessageDialog("Name can't be empty!");
await md.ShowAsync();
}
}
else
{
md = new MessageDialog("You can't add an item without a category!");
await md.ShowAsync();
}
}