Custom User Control and Friendly Property Item Collection (Like ListBox and ListItems, but with List) on .ASPX

Question

I have been wondering a long time how to do a public property for a User Control that work\'s like .NET native Item\'s collection Property (for Example, ListBox and ListItem

Answer 1

You need to decorate the control and it's properties with sufficient information that the designer can pick up on details at design time. Have you checked this link?