Introduction:
Here I will explain how to solve the problem “The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).” when running web application using asp.net.
Description:
I created one web application and added some of script files in header section of page like this
Here I will explain how to solve the problem “The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).” when running web application using asp.net.
Description:
I created one web application and added some of script files in header section of page like this
|
<head id="head2"
runat="server">
<title>Lightbox Page</title>
<link href="aspdotnetsuresh.css"
rel="stylesheet"
type="text/css"
/>
<script type="text/javascript"
src="<%=
ResolveUrl("~/js/LightBox.js") %>"></script>
</head>
|
After
add script file to header section i tried to run the application during that
time I got error like “The Controls
collection cannot be modified because the control contains code blocks (i.e.
<% ... %>).”
|
Server Error in 'ASP.Net' Application.
The Controls collection cannot be modified because the control
contains code blocks (i.e. <% ... %>).
Description: An unhandled exception
occurred during the execution of the current web request. Please review the
stack trace for more information about the error and where it originated in
the code.
|
To solve this problem we have different methods
First
Method
Remove JavaScript from the header section
of page and add it to body of the page and run your application it will work
for you.
Second
Method
Replace the code block with <%#
instead of <%=
|
<head id="head2"
runat="server">
<title>Lightbox Page</title>
<link href="aspdotnetsuresh.css"
rel="stylesheet"
type="text/css"
/>
<script type="text/javascript"
src="<%#
ResolveUrl("~/js/LightBox.js") %>"></script>
</head>
|
After
replace code block with <%#
instead of <%= add following code
in page load
|
protected void Page_Load(object
sender, EventArgs e)
{
Page.Header.DataBind();
}
|
After
add code run your application it will work for you.
Happy
Coding………
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