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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / JSON String to Axapta MAP
Microsoft Dynamics AX (Archived)

JSON String to Axapta MAP

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Posted on by Community Member

I have the below JSON string, which I am converting to a map and then reading the values based on the keys

str json = '{"PortalId" : "POR146", 
             "MemberId" : "MEM132", 
             "ParmContainer": [{"Key1":"First",
                                "Key2":"Second"},
                               {"Key1":"Third",
                                "Key2":"Fourth"}]}';


I am able to read the keys and values using the RetailCommonWebAPI::getMapFromJSONString.

The problem that I have is reading the values inside the parmContainer key. From the documentation that I found, the keys are stored as strings, and values are stored as containers. When I look inside the container, I get integer values instead of "First", "Second", "Third" and "Fourth".

while ( mapEnumerator.moveNext())
        {
            switch (mapEnumerator.currentKey().ToString())
            {
                case "ParmContainer"     :
                container test = mapEnumerator.currentValue();
                info(conPeek(test,1));
                info(conPeek(test,2));
                info(conPeek(test,3));
                info(conPeek(test,4));
            }
        }


Any ideas on how to solve this issue please?

*This post is locked for comments

I have the same question (0)
  • Suggested answer
    Martin Dráb Profile Picture
    Martin Dráb 239,029 Most Valuable Professional on at

    I would rather use classes. For example, you can create a C# class library, then generate classes by Edit > Paste Special > Paste JSON as Classes, use Newtonsoft.Json to parse the JSON string to these classes and use them in X++.

    Welcome to the world of .NET, full of options. :-)

  • Verified answer
    Community Member Profile Picture
    Community Member on at 
    static void Job24(Args _args)
{
    str json = '{"PortalId" : "POR146",          "MemberId" : "MEM132", "ParmContainer": [{"Key1":"First", "Key2":"Second"}, {"Key1":"Third","Key2":"Fourth"}]}';
    Map map;
    Map map1;
    List testList;
    
    ListEnumerator listEnumerator;
    container test;
    mapEnumerator mapEnumerator;
    map = RetailCommonWebAPI::getMapFromJsonString(json);

    mapEnumerator = map.getEnumerator();
    while ( mapEnumerator.moveNext())
        {
            switch (mapEnumerator.currentKey())
            {
                case "ParmContainer"     :
                test = mapEnumerator.currentValue();

                testList =List::create(test);

                listEnumerator = testList.getEnumerator();

                while (listEnumerator.moveNext())
                {
                    test = listEnumerator.current();
                    map1 = Map::create(test);
                    info(map1.lookup('Key1'));
                    info(map1.lookup('Key2'));
                }
            }
        }
}

    ?

  • Community Member Profile Picture
    Community Member on at

    Brilliant thanks, exactly what i needed!

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