see:
https://www.freecodecamp.org/news/what-is-a-framework-software-frameworks-definition/
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what is frame in framework for .net applicatons like .net framework 3.5
and what it indicates for frames
I'm a little confused about your question.
Do you want to know about .Net Framework or HTML frames on asp.net pages?
.Net Framework
.NET Framework is a run-time execution environment that manages apps that target .NET Framework. It consists of the common language runtime, which provides memory management and other system services, and an extensive class library, which enables programmers to take advantage of robust, reliable code for all major areas of app development.
html frames on asp.net pages
The <frame> tag is no longer recommended as it is not supported by HTML5. Instead of using this tag, we can use the <iframe> or <div> with CSS to achieve the similar effects.
The <iframe>
HTML element represents a nested browsing context, embedding another HTML page into the current one.
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe
Best regards,
Lan Huang
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