Hello, I have a ASP.net control (dropdownlist) which gets it's data from a SQL datasource. I also have a dataview form webpart configured to the same datasource. It's works well except I would like to add a "SELECT ALL" and then be able to see all the items in the DVWP not just a single selected unit. I have already bounded the item to the control so my drop down does show "Select All"...just don't know how to connect that to the datasource on my list. Please help.
I am using Sharepoint 2010 Designer.