TextText-based

`text/x-csharp`

C# Source

Reference for text/x-csharp, the MIME type for C# programming language source files used in .NET development.

MIME Type Detector

Drop a file to detect its MIME type — no upload, runs in your browser

📄

Drop any file here or click to choose

Expected extensions: .cs

HTTP Content-Type Header

HTTP Header

Content-Type: text/x-csharp; charset=utf-8

Associated File Extensions

.cs

Quick Facts

MIME Type	text/x-csharp
Category	Text
Type	Text-based (human-readable)
Extensions	.cs

Common Usage

C# source files are used for .NET applications, Unity game development, Windows desktop applications, ASP.NET web services, Azure cloud functions, and cross-platform mobile apps with MAUI. C# is one of the most popular languages for enterprise development.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.cs" type="text/x-csharp">

<!-- Or for script/media elements -->
<script type="text/x-csharp" src="file.cs"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('text/x-csharp');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'text/x-csharp' });

nginx

# nginx.conf — add to types block or use default
types {
    text/x-csharp  cs;
}

# Or set for a specific location
location /api/ {
    default_type text/x-csharp;
}