All good answers that has been supplied, but I used the following to solve my problem <ComboBox SelectedIndex=”0″> <ComboBox.ItemsSource> <CompositeCollection> <ListBoxItem>Please Select</ListBoxItem> <CollectionContainer Collection=”{Binding Source={StaticResource YOURDATASOURCE}}” /> </CompositeCollection> </ComboBox.ItemsSource> </ComboBox> Thanks for everyone who has helped!
I also came across these kinds of requirements recently. I set the below properties without writing the code and it works. See if this helps you.
The above answer led me down the primrose path for awhile. It does not work as it causes multiple events to fire and just keeps adding events. The problem is that the above catches the DataGridViewEditingControlShowingEvent and it does not catch the value changed. So it will fire every time you focus then leave the … Read more
I can think of a few ways: override the ToString() of a City class to return Name + “https://stackoverflow.com/” + Id; ditto, but with a TypeConverter add a DisplayText property that return the same, and use DisplayMember build a shim class for the data For the last: var data = cities.Select(city => new { Id … Read more
<ComboBox Name=”myComboBox” Width=”200″ Background=”White”> <ComboBox.ItemsSource> <CompositeCollection> <ComboBoxItem IsEnabled=”False” Foreground=”Black”>Select Item</ComboBoxItem> <CollectionContainer Collection=”{Binding Source={StaticResource DataKey}}” /> </CompositeCollection> </ComboBox.ItemsSource> </ComboBox> EDIT As @surfen mentioned in comment, BindingProxy is workaround for the binding issue
There exist many ways to do this but for your example, I would change the ComboBox-Tag as follows: <ComboBox Grid.Row=”1″ Grid.Column=”0″ Name=”cmbBudgetYear” SelectedValuePath=”Content”> I added the attribute-defition SelectedValuePath=”Content”. After that you can set the value with a corresponding string, e.g.: cmbBudgetYear.SelectedValue = “2009”; Take care that the value must be a string. For your example, … Read more
There are several ways to tell the framework what to display 1) Use DisplayMemberPath on the ComboBox (this will display the named property): <ComboBox ItemsSource=”{Binding Path=Clients}” DisplayMemberPath=”Name” /> 2) Set ItemTemplate on the ComboBox. This is like #1, except allows you to define a template to display, rather than just a property: <ComboBox ItemsSource=”{Binding Path=Clients}”> … Read more
You can set using SelectedIndex comboBox1.SelectedIndex= 1; OR SelectedItem comboBox1.SelectedItem = “your value”; // The latter won’t throw an exception if the value is not available in the combobox EDIT If the value to be selected is not specific then you would be better off with this comboBox1.SelectedIndex = comboBox1.Items.Count – 1;
I realize this is an old question, but I figured I would give my solution to anyone out there that may need to be able to do this. While I couldn’t find any answers to do exactly this… I did find an answer to a different question that helped me. This is my solution: private … Read more
I ended up figuring how how to do this on my own. I’m posting the answer here so that others can see a solution that works, and maybe a WPF guru will come by and show me a better/more elegant way to do this. So, the answer ended up being #2. Exposing the inner properties … Read more