by Christoph Herold 21. Dezember 2006 11:34

While I was building an ASP.NET user control, I ran across the problem, how to serialize a property as the inner text of the Control in the ASPX-Code. I found a nice attribute named PersistenceModeAttribute, that allows you to specify, how a property is supposed to be persisted. Setting it to InnerDefaultProperty or EncodedInnerDefaultProperty should do the trick, I thought.

But, as I had to find out, this is only part of what needs to be done. There are two more Attributes, that control the parsing of a control: ParseChildrenAttribute and PersistChildrenAttribute. When you use InnerDefaultProperty to persist a property, you must add [ParseChildren(true, "")] and [PersistChildren(false)] to your control's class declaration. Otherwise things won't persist.

It took me a while to find this solution, and I found a nice explanation of things here:

Alvin did a really nice job of explaining, what the attributes do. So if you want the details, just visit his blog.

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