Asp.net server absolute path converted to relative URL path

// Convert local paths to relative URLs
Private   String Urlconvertor ( String Imagesurl1)
{
String Tmprootdir = Server. mappath (system. Web. httpcontext. Current. Request. applicationpath. tostring ()); // ObtainProgramRoot directory
String Imagesurl2 = Imagesurl1.replace (tmprootdir, "" ); // Convert to relative path
Imagesurl2 = Imagesurl2.replace ( @" \ " , @" / " );
Return Imagesurl2;
}

//Convert the relative path to the local physical path of the server
Private StringUrlconvertorlocal (StringImagesurl1)
{
StringTmprootdir=Server. mappath

(System. Web. httpcontext. Current. Request. applicationpath. tostring ()); // Get the program root directory
String Imagesurl2 = Tmprootdir + Imagesurl1.replace ( @" / " , @" \ " ); // Convert to absolute path
Return Imagesurl2;
} From: http://apps.hi.baidu.com/share/detail/16488746