How to fix this .. The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).

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i have one div with name "basicinfo"

i am adding dynamically (in c# page_load) "basicinfo" to panel or another div (i'm doing this for changing the position of the div dynamically based on some condition)

i am getting error as " The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)."

how can i fix this error

Posted 6-Nov-14 18:07pm

yedhuvamshi

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SRS(The Coder) · Answer 1 · 2014-11-06T18:49:00

Solution 1

There are two things you can try here for the fix :

1) If any script files exist in head section of web form, master page or in content page, remove those from the header section of page and add it to body of the page.

2) OR replace the codeblocks with <%# rather than <%=.

I hope any one of this will fix the issue.

Posted 6-Nov-14 18:49pm

SRS(The Coder)

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yedhuvamshi 7-Nov-14 1:04am

i have no head section in child page and removed <% blocks in master head page but not working