HttpRequest.Headers Property

Definition

Gets a collection of HTTP headers.

public System.Collections.Specialized.NameValueCollection Headers { get; }

Property Value

A NameValueCollection of headers.

Examples

The following code example displays the names and values of all headers in the HTTP request.

int loop1, loop2;
NameValueCollection coll;

// Load Header collection into NameValueCollection object.
coll=Request.Headers;

// Put the names of all keys into a string array.
String[] arr1 = coll.AllKeys;
for (loop1 = 0; loop1<arr1.Length; loop1++)
{
   Response.Write("Key: " + arr1[loop1] + "<br>");
   // Get all values under this key.
   String[] arr2=coll.GetValues(arr1[loop1]);
   for (loop2 = 0; loop2<arr2.Length; loop2++)
   {
      Response.Write("Value " + loop2 + ": " + Server.HtmlEncode(arr2[loop2]) + "<br>");
   }
}

Remarks

For a listing of all possible headers, see Request Header Fields on the W3C Web site.

Applies to

Produit Versions
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1