on edit mode want to show listbox items as selected
<p>i am new to silverlight and mvvm.
i am working on a project.In which i am having my table in sql database.
on my main page am showing my whole data in datagrid. and below data grid am having 3 buttons naming as ADD,EDIT,Delete.
now the problem am getting is whenever i click on edit button the child window gets open.
and on child window am having listbox with a multiple select property set on xml,name role type.
now need when evr i select a record on datagrid and then click on edit button.i need listbox shows all those items selected which i selected when i added the record.</p>

<p>pls help me as soon as possible.</p>
