.ASCX File Extension

ASP.NET User Control File

ASCX files make it easy to use the same code across multiple ASP.NET web pages. For example, ASPX files on a website might link to a single ASCX file for the site's navigation menu. They are user cont...

General Information

Title ASCX File Extension
Extension .ascx
Full Form ASP.NET User Control File
File Type Web User Control File
Developer Microsoft
MIME Type text/html

File Function

Primary Function Web controls
Additional Functions UI encapsulation
Features Reusable, Customizable

File Characteristics

Quality Code dependent
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

Web Development Yes
Dynamic Content Yes
Enterprise Applications Yes

Security and Practices

Security Risks Code injection
Best Practices Validation, Sanitization

Historical/Version Information

Initial Release .NET 1.0 (2002)
Latest Version .NET 6 (2021)

Associated Types

Similar Extensions .aspx, .asmx, .ashx

Software Compatibility

Software Usage Policy OS Compatibility
Visual Studio Free, Paid Windows, Mac
Visual Studio Code Free Windows, Mac, Linux
Rider Paid Windows, Mac, Linux