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Editorial Team
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Asked: 2026-06-07T13:44:08+00:00

I am setting a value in the cookie using JavaScript and getting the contents

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I am setting a value in the cookie using JavaScript and getting the contents of the cookie in the code behind.

But the problem is if I am storing the string with some special characters or whitespace characters, when I am retrieving the contents of the cookie the special symbols are getting converted into ASCII equivalent.

For example, if I want to store Adam - (SET) in cookie , its getting converted into Adam%20-%20%28SET%29 and getting stored and when I am retrieving it I get the same Adam%20-%20%28SET%29. But I wan tot get this Adam - (SET) in the code behind.

How I get this. Please help.

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1 Answer

  1. Editorial Team

    In C#

    Use:

    String decoded = HttpUtility.UrlDecode(EncodedString);

    HttpUtility.UrlDecode() is the underlying function used by most of the other alternatives you can use in the .NET Framwework (see below).

    You may want to specify an encoding, if necessary.

    Or:

    String decoded = Uri.UnescapeDataString(s);

    See Uri.UnescapeDataString()‘s documentation for some caveats.

    In JavaScript

    var decoded = decodeURIComponent(s);

    Before jumping on using unescape as recommended in other questions, read decodeURIComponent vs unescape, what is wrong with unescape? . You may also want to read What is the difference between decodeURIComponent and decodeURI? .

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