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  • Barbacan 29 posts 79 karma points
    Oct 27, 2014 @ 21:29
    Barbacan
    0

    GetPreValues and single node problem

    Hi, I wrote a tiny function thath should return me the id of a prevalue from a string input. This is the code:

        protected String GetSectionByName(string name)
        {
            String retValue = string.Empty;
            if (!String.IsNullOrEmpty(name))
            {
                XPathNodeIterator iterator = umbraco.library.GetPreValues(1617);
                iterator.MoveNext(); //move to first
                XPathNodeIterator preValues = iterator.Current.SelectChildren("preValue", "");
                System.Xml.XPath.XPathNavigator navProductID = preValues.Current.SelectSingleNode(name);
                if(navProductID != null)
                    retValue = navProductID.GetAttribute("id","");
                else
                    retValue = "NULL";
            }
            return retValue;
        }

    Basically the function still returns empty as the navProductId is always null. I cannot get a single node id by value. Any hints?

  • Jeavon Leopold 3074 posts 13632 karma points MVP 11x admin c-trib
    Oct 28, 2014 @ 18:01
    Jeavon Leopold
    100

    Could you use the DataTypeService GetPreValuesByDataTypeId method instead of rolling your own?

  • Barbacan 29 posts 79 karma points
    Oct 29, 2014 @ 16:24
    Barbacan
    0

    This is nice but I would need the opposite. From a string I need to get the numeric preValue. I couldn't find the oppisite methods of GetPreValuesByDataTypeId

  • Jeavon Leopold 3074 posts 13632 karma points MVP 11x admin c-trib
    Oct 29, 2014 @ 17:03
    Jeavon Leopold
    0

    What does your string contain exactly?

  • Barbacan 29 posts 79 karma points
    Oct 31, 2014 @ 22:35
    Barbacan
    0

    I have a dropdownlist with publishing keys, so basically a list like:

    scifi  100
    horror  101
    nature  102
    fantasy  103

    I pass the name as a querystring parameter (transformed as a rewrited url), so if my querystring parameter is "fantasy", for example, and I need to extract the preValue 103. Actually I do a foreach but I hope there may be a suitable method. thanks!

     

     

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