How to iterate data contract class in D365fo

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Posted on by it.dev

Hi All,

How could i iterate the data contract class ?

MyDataContractClass myDataContractClass = FormJsonSerializer::deserializeObject(classNum(MyDataContractClass),responseJson);

[DataContractAttribute]
class MyDataContractClass
{
    String50        invoiceId, profBillId, status, message;

    [DataMemberAttribute('proformaId')]
    public String50 parmProfBillId(String50 _profBillId = profBillId)
    {
        profBillId = _profBillId;
        return profBillId;
    }

    [DataMemberAttribute('invoiceId')]
    public String50 parmInvoiceId(String50 _invoiceId = invoiceId)
    {
        invoiceId = _invoiceId;
        return invoiceId;
    }

    [DataMemberAttribute('status')]
    public String50 parmStatus(String50 _status = status)
    {
        status = _status;
        return status;
    }

    [DataMemberAttribute('error')]
    public String50 parmMessage(String50 _message = message)
    {
        message = _message;
        return message;
    }

}

Thanks,

Masha

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Answers (1)

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Sergei Minozhenko 23,099 on at

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Hi Masha,

Do you want to iterate over parm methods from contract class?
it.dev 30 on at

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Hi Sergei,

yeah , i tried to deserialized the response json i get to data contract class and then want to iterate that.

Thanks,

Masha
Suggested answer

Sergei Minozhenko 23,099 on at

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Hi Masha,

You can use Dict* classes to iterate over members of the contract class. But what is the purpose of that iteration? You have only 4 members in your class.

SysDictClass contractDictClass = new SysDictClass(your contract class id); Set methods = contractDictClass.methods(true, false, true); SetEnumerator methodsEnumerator = methods.getEnumerator(); while(methodsEnumerator.moveNext()) { DictMethod dictMethod = methodsEnumerator.current(); DataMemberAttribute dataMember = dictMethod.getAttribute(classStr(DataMemberAttribute)); if (dataMember) { // Do something } }
it.dev 30 on at

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Hi sergei,

for the example, i get this json response

[ { "proformaId": "XXX", "invoiceId": "YYY", "error": "Unit not exists", "status": "failed" }, { "proformaId": "ZZZ", "invoiceId": "AAA", "status": "success" } ]

and want to iterate that into my data contract class attribute

Thanks,

Masha
Verified answer

Sergei Minozhenko 23,099 on at

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Hi Masha,

So you have several entries in JSON and want them all to be converted to contract. In this case, you need to use deserializeCollection method

List collection = FormJsonSerializer::deserializeCollection(classNum(List), json_string, types::Class, classStr(MyContract));
it.dev 30 on at

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Hi Sergei,

Thanks a lot, really appreciate for your help

Masha