Thread: After migration ASP.Net 1.1 to 3.5: TreeView control is not displaying data in hierar
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na_atheeq na_atheeq is offline Offline
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After migration ASP.Net 1.1 to 3.5: TreeView control is not displaying data in hierar

 
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Dec 18th, 2008
Hi,

Before migration: Existing application (running on .Net 1.1) is using custom control developed by inheriting TreeView control of Microsoft.Web.UI.WebControls and displays data (country & its city’s) in heirarchical format.

After migrating existing application: the same custom control is not displaying data in hierarchical format, only country node is being shown (city nodes are not shown). Any idea what could be the problem?

Additionally I would like to highlight points:
• Custom control in design view (application *.aspx page) is rendering with Error Creating Control object reference not set to an instance of an object.
• But I have checked assembly reference is correct. Note: reference I have done is using @Register tag in web page (Source section).

Thanks.

Regards,
Atheeq
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