ASP.NET Core access request & response headers via HttpContext

Syntax Error answered on January 6, 2024 Popularity 6/10 Helpfulness 2/10

answer ASP.NET Core access request & response headers via HttpContext

ASP.NET Core access request & response headers via HttpContext

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// In Program.cs
app.MagGet("/", (HttpContext context) =>
	{
    	string userAgent = "";

  		// Get request header values like Content-Type, User-Agent, etc.
        if (context.Request.Headers.ContainsKey("User-Agent"))
        {
        	userAgent = context.Request.Headers["User-Agent"];
        }

  		// Set response header values like Content-Type, etc.
  		context.Response.Headers["Content-Type"] = "text/html"; // default is "text/plain"

		return $"<h2>User Agent: {userAgent}</h2>";
    }
);

app.Run(async (HttpContext context) =>
{
    if (context.Request.Path == "/Hello")
    {
        context.Response.StatusCode = 200;
	    await context.Response.WriteAsync("Hello world!");
    }
    else if (context.Request.Path == "/Nowhere")
    {
        context.Response.StatusCode = 404;
	    await context.Response.WriteAsync("Page not found!");
    }
});

Popularity 6/10 Helpfulness 2/10 Language csharp

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Tags: asp.net-core c# get header httpcontext request response-headers user-agent

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Contributed on Jan 06 2024

Syntax Error

0 Answers Avg Quality 2/10

ASP.NET Core access request & response headers via HttpContext

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