Get Query String Value in ASP.NET MVC Function

Question

I have an ASP.NET MVC app. My views use Razor. At the top of my CSHTML file, I have the following:

@functions
{
    public static HtmlString IsSelectedCss(string name)
    {
        string selected = ""; // Need to get value of "t" from query string

        HtmlString attribute = new HtmlString("");
        if (selectedTab.Equals(name, StringComparison.InvariantCultureIgnoreCase))
        {
          attribute = new HtmlString("class=\"active\"");
        }                
        return attribute;
    }
}

I need this function to examine the query string. Specifically, I need to get the value of the "t" query string parameter. My challenge is, I cannot seem to figure out how to get access to the QueryString in this function.

How do I get the value of a query string parameter in a Razor function?

Thanks!

scartag · Accepted Answer · 2015-02-04 20:57:15Z

20

The query string can be gotten from below.

HttpContext.Current.Request.QueryString["t"]

answered Feb 4, 2015 at 20:57

scartag

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2 Comments

jbyrd Over a year ago

In MVC 6, use Context.Request.Query["t"]

scartag Over a year ago

@jbyrd Lucky you ... it won't have a go-live license till nov/dec and won't RTM till early next year. Most orgs won't risk it.

SLaks · Accepted Answer · 2015-02-04 20:54:30Z

3

You need to make your function non-static, since the querystring is part of the request.

You can then write

HttpContext.Request.Query["t"]

answered Feb 4, 2015 at 20:54

SLaks

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Comments

naspinski · Accepted Answer · 2015-02-04 21:15:56Z

0

You should really be doing this in the controller and pushing it through the model. But if you insist, you can simply use:

<%= Request["t"] %>

But why not read it in your controller?!

answered Feb 4, 2015 at 21:15

naspinski

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