How to get key Value from cookies which was set in javascript, asp.net mvc3

Question

I had set a cookie in javascript some thing like this

   function setCookie(c_name,value,exdays)
    {
       var exdate=new Date();
       exdate.setDate(exdate.getDate() + exdays);
       var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
       document.cookie = c_name + "=" + c_value;
    }

var  loginval = slmgusername=swetha.p + slmguserpassword = 12345678;
 setCookie("slmgusercredentails", loginval, 100);

And i controller i am getting values in my cookie like this

 HttpContext.Request.Cookies["slmgusercredentials"].Values = {slmgusername%253Dswetha.p%2526slmguserpassword%253D12345678}

when i am trying to get the username from this some thing like

 UserName = HttpContext.Request.Cookies["slmgusercredentials"].Values["slmgusername"].

I cant able to get the UserName. As i think so the values are in javscript coding format. How to get the username... can any one help me to find the solution...

Please tag this question with your back-end framework (ASP?). It helps to mention it explicitly in the question text, too. — apsillers
– apsillers, Commented May 7, 2012 at 14:53

Farhan Ahmad · Accepted Answer · 2012-05-07 15:12:34Z

5

This should do the trick!

 function ReadCookie()
    {
       var allcookies = document.cookie;
       alert("All Cookies : " + allcookies );

       // Get all the cookies pairs in an array
       cookiearray  = allcookies.split(';');

       // Now take key value pair out of this array
       for(var i=0; i<cookiearray.length; i++){
          name = cookiearray[i].split('=')[0];
          value = cookiearray[i].split('=')[1];
          alert("Key is : " + name + " and Value is : " + value);
       }
    }

answered May 7, 2012 at 15:12

Farhan Ahmad

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2 Comments

dr.dimitru Over a year ago

Doesn't work for key=value;expires=Thu, 01 Jan 1970 00:00:00 GMT. expires considered as another cookie

Andre Figueiredo Over a year ago

@dr.dimitru Of course it works, he splits key-values pairs on line 7

Alex · Accepted Answer · 2018-01-26 13:40:21Z

1

Solves the expired problem from accepted answer.

function readKeyValuesFromCookie(){
    return document.cookie
        .split( ';' )
        .map( pair => pair.split( '=' ) )
        .filter( pair => pair.length == 2 )
        .map( pair => [ pair[0].trim(), pair[1].trim() ] )
        .filter( pair => pair[0] != 'expires' )
    ;
}

answered Jan 26, 2018 at 13:40

Alex

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