WPF

..
public List<string> Category { get; set; }
public string CategoryName { get; set; }
..

...
<dataFormToolkit:DataField DescriptionViewerPosition="Auto" LabelPosition="Left" LabelVisibility="Visible" Label="Category">
    <ComboBox ItemsSource="{Binding Category}"  SelectedItem="{Binding CategoryName, Mode=TwoWay}" />
</dataFormToolkit:DataField>
...

The only programmers that are better C# programmers, are those who look like this ->

Programm3r
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public partial class CustomerMaster
{
    public override string ToString( )
    {
        return this.CustomerName;
    }
}
public partial class CustomerLocation
{
    public override string ToString( )
    {
        return this._LocationID;
    }
}