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what is the best way to parse out some values from this query string? RRS feed

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    string curUrl = HttpContext.Current.Request.RawUrl;

    >>

    "/umexpress/Contracts/ContractsReportPDF.aspx?rID=1&tID=5&psid=-1&ocol=10&otype=2&wiz=1&modal=dd5bf5ac-0c77-46ff-b5d5-9a5c866f3db8&guid=37874ad9-3e77-40c1-919c-d356477895ff&unqiue=414"

    <<

    I need to parse out -- &ocol=10&otype=2

    specifically I need the values 10 and 2, but I would like to get the var names also.  I was thinking about using curUrl.Split("&").  If that is a way to go -- having a problem with .Split("&").  How to implement that?  If there is a better way -- what would that be?

    Rich P

    Thursday, June 11, 2015 6:16 PM

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    I think that the expression HttpContext.Current.Request["ocol"] or HttpContext.Current.Request.QueryString["ocol"] will give you the first value.

    In order to enumerate the names, see HttpContext.Current.Request.QueryString.AllKeys.

    • Proposed as answer by Christopher84 Thursday, June 11, 2015 9:13 PM
    • Marked as answer by Just Karl Monday, June 22, 2015 9:51 PM
    Thursday, June 11, 2015 6:55 PM

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    I think that the expression HttpContext.Current.Request["ocol"] or HttpContext.Current.Request.QueryString["ocol"] will give you the first value.

    In order to enumerate the names, see HttpContext.Current.Request.QueryString.AllKeys.

    • Proposed as answer by Christopher84 Thursday, June 11, 2015 9:13 PM
    • Marked as answer by Just Karl Monday, June 22, 2015 9:51 PM
    Thursday, June 11, 2015 6:55 PM
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    Check HttpUtility.ParseQueryString

    Fouad Roumieh

    Thursday, June 11, 2015 6:56 PM
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    I want to acknowledge Viorel_ as having the correct answer. However, I would like to add that you should check to see if it is null first.

    Either:

    if (Request.QueryString["ocol"] != null)
    {
    // do something with value
    value = Convert.ToInt32(Request.QueryString["ocol"]);
    }

    Or:

    value = Request.QueryString["ocol"] ?? "-1");

    Thursday, June 11, 2015 8:16 PM
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    Thank you all for the replies.  Turns out the app has its own homegrown parser (same as HttpContext.Current.Request["ocol"]  but also gets the int's from the parameters in the same step).   They asked me to use the homegrown one :).  But hey,  I also understand the homegrown version even better now.

    Rich P

    Thursday, June 11, 2015 9:34 PM
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    Hi Rich,

    Based on your code, HttpContext is under System.Web.dll. Your issue is related to asp.net/web technology. If you still not resolve this issue, for a better support on this please post your question to the asp.net forum below, http://forums.asp.net/<o:p></o:p>

    Best regards,

    Kristin

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    Friday, June 12, 2015 7:19 AM