In general, the selected values of the widget can be a list of primitive values (strings, ints and etc), because the underlying HTML Select element
can post only selected values and not objects. There are two possible ways to send the selected objects/items back to the server:
- Post the selected values of the widget (only the primitive values) and based on them you can get the whole objects on the server.
- Post the selected data items using jQuery.ajax. You can retrieve the selected data items using dataItems method.
If you would like to use the first approach, where the data is posted with regular HTML Form element, then I would suggest you accomplish your goal using built-in Html.ListBox extension
. Once you acchieve your business goals with it, I will gladly assist you replace the widget using the multiselect.
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