How do add these value to combobox on load in silverlight(MVVM)?

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XML

private ObservableCollection<FASCNS.ViewModel.Community> _objCommunity;
       public ObservableCollection<FASCNS.ViewModel.Community> objCommunity
       {
           get
           {
               return _objCommunity;
           }
           set
           {
               _objCommunity.Add(new FASCNS.ViewModel.Community { Code = 403, Desc = "Supplier" });
               _objCommunity.Add(new FASCNS.ViewModel.Community { Code = 404, Desc = "Sub Contractor" });
               _objCommunity.Add(new FASCNS.ViewModel.Community { Desc = "Both" });
               _objCommunity.Add(new FASCNS.ViewModel.Community { Desc = "General" });
               _objCommunity = value;
               OnPropertyChanged("objCommunity");

           }
       }

How do add these value to combobox on load in silverlight(MVVM)?
Help. I'm new to silverlight.

Posted 22-Sep-15 18:22pm

Sathish km

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vinod pathak · Answer 1 · 2015-09-23T23:53:00

There are few changes which you need to do in your code
1-If you want to put predefined values to your in the combobox so it will never hit the set property.
2-You need to set the predefined values as below format

XML

private ObservableCollection<FASCNS.ViewModel.Community> _objCommunity= new ObservableCollection<FASCNS.ViewModel.Community>
        {
        new FASCNS.ViewModel.Community{ Code = 403, Desc = "Supplier" },
        new FASCNS.ViewModel.Community{ Code = 404, Desc = "Sub Contractor" },
        new FASCNS.ViewModel.Community{ Desc = "Both" },
        new FASCNS.ViewModel.Community{ Desc = "General" },
        };

above code will be part of your ViewModel
3-Change in the Xaml

SQL

ItemsSource="{Binding Path=objCommunity}"
DisplayMemberPath="Desc"
SelectedValuePath="Desc"

Hope this will help you in getting values in your combobox , if you want first value will be selected by default make selectedIndex=0

Regards,
Vinod