Last post Nov 19, 2008 02:09 AM by Oomirulx
Nov 19, 2008 02:09 AM|Oomirulx|LINK
I was also getting the same problem when using the controls in a control and i found these two are the causes to raise the error on the page.
If an ASPX page is responsible for the error, inspect the associated HTML layout page in Iron Speed Designer or in an external HTML editor and repair the damage so that it conforms to the HTML syntax and, where appropriate, ASPX syntax. Ensure that the
HTML layout page has appropriate <doctype>, <html>, <head>, <body> and <form> tags.
If an ASCX control is responsible for the error, ensure that the ASCX control does NOT have <doctype>, <html>, <head> and <body> tags. The presence of these tags will conflict with the page in which the ASCX control is embedded, causing this error to occur.
For guidance, compare your ASCX control file with those generated directly by Iron Speed Designer, such as the Sign In control (SignIn_Control.ascx).
hope it would help you