private void addButton_Click(object sender, RoutedEventArgs e)
{
ToDoItem item = new ToDoItem();
AddDialog addDialog = new AddDialog(ref item);
Nullable<bool> dialogResult = addDialog.ShowDialog();
if (dialogResult == true)
{
//Get new Index
if (ToDoList.Count == 0)
item.Index = 0;
else
{
var maxIndex = ToDoList.Max(m => m.Index);
item.Index = ++maxIndex;
}
//Get new GUID
item.Id = Guid.NewGuid();
//Save the item to db
int rowsAffected = 0;
using (ToDoEntities da = new ToDoEntities())
{
da.ToDoItems.AddObject(item);
rowsAffected = da.SaveChanges();
}
// Save the item to the list
if (rowsAffected != 0)
ToDoList.Add(item);
else
MessageBox.Show("Error while accessing the database", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void editButton_Click(object sender, RoutedEventArgs e)
{
// Retrieve the item being edited
ToDoItem item = ((Button)sender).DataContext as ToDoItem;
// Call the Add/Edit window
AddDialog addDialog = new AddDialog(ref item);
Nullable<bool> dialogResult = addDialog.ShowDialog();
// Save the edited item
if (dialogResult == true)
{
//Save the changes to the database
int rowsAffected = 0;
using (ToDoEntities da = new ToDoEntities())
{
ToDoItem daItem = da.ToDoItems.FirstOrDefault<ToDoItem>(p => p.Id == item.Id);
daItem.Index = item.Index;
daItem.Title = item.Title;
daItem.Description = item.Description;
daItem.DueDateTime = item.DueDateTime;
daItem.Done = item.Done;
rowsAffected = da.SaveChanges();
}
if (rowsAffected != 0)
{
int index = ToDoList.IndexOf(item);
ToDoList[index] = item;
}
else
MessageBox.Show("Error while accessing the database", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}