you need to implement a custom designerImplementing a Web Forms Data-Bound Control Designer
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconimplementingdataboundcontroldesingerwebforms.aspData Binding in WebControls
http://www.codetools.com/aspnet/webcontrolsdatabinding.aspalso see
http://groups.google.com/groups?th=368add3b0a1c58bchttp://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=FW7Yb.7897%24HO2.2008%40news.edisontel.com
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconimplementingdataboundcontroldesingerwebforms.aspData Binding in WebControls
http://www.codetools.com/aspnet/webcontrolsdatabinding.aspalso see
http://groups.google.com/groups?th=368add3b0a1c58bchttp://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=FW7Yb.7897%24HO2.2008%40news.edisontel.com
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