How get particular string from url

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hi friends,

i want particular value from a url like below example

response=1&responsetext=SUCCESS&authcode=123478756&transactionid=6667666&avsresponse=&cvvresponse=&orderid=&type=sale&response_code=17800&amount=00&amount_authorized=00.00&surcharge=0.00

in this link i want "Success" and "2699489421" value how cant i get

thanks

Posted 2-Jun-15 1:02am

Member 11384516

Updated 2-Jun-15 1:25am

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aarif moh shaikh 2-Jun-15 8:27am

Where "2699489421" ???

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Arkadeep De · Answer 1 · 2015-06-02T01:22:00

C#

if(Request.QueryString["responsetext"]!=null)
{
 string responseText = Request.QueryString["responsetext"].ToString();
}

similarly for transactionid use

C#

Request.QueryString["transactionid"].ToString()

If you are sending these via POST method then it will be

C#

Request.Form["transactionid"].ToString()

Nakul Chaudhari · Answer 2 · 2015-06-02T01:22:00

Use Javascript for it

JavaScript

function getParameterByName(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}

call this function:

JavaScript

var responseText= getParameterByName('responsetext');
var transactionId= getParameterByName('transactionid');

OriginalGriff · Answer 3 · 2015-06-02T01:23:00

Loads of ways: if you are in the page you can retrieve them via the Request.QueryString collection: Passing variables between pages using QueryString[^] shows examples.

If you just have the raw string and want to extract them, then either split the string on the ampersand:

C#

string[] keyValuePairs = input.Split('&');

And then split each of those on the equals sign and compare the strings:

C#

foreach (string kvp in keyValuePairs)
    {
    string[] kv = kvp.Split('=');
    if (kv.Length == 2)
        {
        switch (kv[0].ToLower())
            {
            case "responsetext":
                Console.WriteLine("Response: {0}", kv[1]);
                break;
            case "authcode":
                Console.WriteLine("Auth    : {0]", kv[1]);
                break;
            }
        }
    }

Or you could use a regex:

((?<Resp>(?<=responsetext=).*?)|(?<Auth>(?<=authcode=).*?))(&|$)

How get particular string from url

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