HttpUtility.UrlPathEncode Method

The UrlPathEncode method performs the following steps:

1. Applies the encoding logic of the UrlPathEncode method to only the path part of the URL (which excludes the query string). The method assumes that the URL is encoded as a UTF-8 string.

2. Encodes non-spaces so that only a subset of the first 128 ASCII characters is used in the resulting encoded string. Any characters at Unicode value 128 and greater, or 32 and less, are URL-encoded.

3. Encodes spaces as %20.

You can encode a URL using the UrlEncode method or the UrlPathEncode method. However, the methods return different results. The UrlEncode method converts each space character to a plus character (+). The UrlPathEncode method converts each space character into the string %20, which represents a space in hexadecimal notation. Use the UrlPathEncode method when you encode the path portion of a URL in order to guarantee a consistent decoded URL, regardless of which platform or browser performs the decoding. When you use the UrlPathEncode method, the query-string values are not encoded. Therefore, any values that are past the question mark (?) in the string, will not be encoded. If you must pass a URL as a query string, use the UrlEncode method.

For more information about encoding, see Character Encoding in the .NET Framework.

.NET Framework

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

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