NameValuePair simple name-value pairs node type

///  <Summary> 
        /// assembly ordinary post request for the requested text parameter
         ///  </ Summary> 
        ///  <param name = "Parameters"> Key-request parameter dictionary form the Value </ param> 
        ///  <returns> requested data encoded URL </ Returns> 
        static  public  String BuildQuery (the IDictionary < String , String > Parameters) 
        { 
            the StringBuilder postData = new new the StringBuilder ();
             BOOL hasParam = to false ; 

            the IEnumerator <KeyValuePair < String , StringDEM = >> parameters.GetEnumerator ();
             the while (dem.MoveNext ()) 
            { 
                String name = dem.Current.Key;
                 String value = dem.Current.Value;
                 // Ignore parameter name or parameter is null 
                if (! String .IsNullOrEmpty (name) &&! String .IsNullOrEmpty (value)) 
                { 
                    IF (hasParam) 
                    { 
                        postData.Append ( " & " ); 
                    } 

                    postData.Append (name); 
                    postData.Append ( " = ");
                    postData.Append(Uri.EscapeDataString(value));
                    hasParam = true;
                }
            }

            return postData.ToString();
        }

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Uri.EscapeDataString

 

publicvoid UrlEncodeTest()
{
    string url ="C++ C#";
    Console.WriteLine(HttpUtility.UrlEncode(url));//C%2b%2b+C%23
    Console.WriteLine(HttpUtility.UrlPathEncode(url));//C++%20C#
    Console.WriteLine(Uri.EscapeUriString(url));//C++%20C#
    Console.WriteLine(Uri.EscapeDataString(url));//C%2B%2B%20C%23
}

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