problem with ajax calendar extender

Question

Dear all i have been stucked in an error The Controls collection cannot be modified because the control contains code blocks (i.e. ) while adding calendar extender to a textbox of a content page please help me....................... i have attached the code of aspx file.

Sourabh Somani · Answer

There are two methods to solve this problem Remove JavaScript from the header section of your page and add it to body of the page and run your application it will work for you Another method is in your master page Instead of writing java script like this src=~/js/xyz.js > use following method src= >> Thanks and accept answer if it helps you :)

Rupali Shinde · Answer

Hi Aniket Please check your master page code related to adding reference of CSS & JS file: First start the code block with My Page ResolveUrl(~/javascript/leesUtils.js) %>> If it works out Please Accept this as Answer

problem with ajax calendar extender

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