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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / Managing Data With List
Finance | Project Operations, Human Resources, ...
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Managing Data With List

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Posted on by Emre Karakus 114

Hello everyone, 

I'm trying to get data from a web service. There is a method name is "getCurrencyID" returning data as lista according to the web services document. I get the data with C# but i coudn't compile my code on AX. I had similar issue for another method on same web service. I fixed that problem with this solution link. 

This is what web services document says;

GetValueListResponse
{
    "Status" : string, // Success , Error
    "StatusMessage" : string,
    "Properties" : List
}

Property
{
    "Key" : string // ID
    "Value" : string // Name
}

This is my C# code;

string _currencyID = client.GetCurrencyId(token, "USD").Properties[0].Key;

I tried to compile it on AX like this;

List currencyIDList = new List(Types::String);


getValueListResponse = axClient.GetCurrencyId(token,"USD");
currencyIDList = getValueListResponse.get_Properties(0).Key;

When i tried to compile it I'm getting this error; "Argument '0' is incompatible with the required type."

How can i solve this? 

  • Emre Karakus Profile Picture
    Emre Karakus 114 on at
    RE: Managing Data With List

    Yes I agree. I understand what is the meaning of that error

  • Martin Dráb Profile Picture
    Martin Dráb 231,939 Most Valuable Professional on at
    RE: Managing Data With List

    I agree, but that's not related to this code.

    Verify that you're really calling the endpoint and if you do, what needs to be den debugged is the service, not the client.

    I believe that the question of this thread (How to solve compilation error "Argument '0' is incompatible with the required type.") can be considered answered. Do you agree?

  • Emre Karakus Profile Picture
    Emre Karakus 114 on at
    RE: Managing Data With List

    There is an element in that array when i run that function with C# but there isn't with X++.  I'm missing something but i don't know what is it.

  • Martin Dráb Profile Picture
    Martin Dráb 231,939 Most Valuable Professional on at
    RE: Managing Data With List

    Then you must agree that your previous statement "but still don't know how can i access to that element with X++" doesn't make a good sense. You've just confirmed that that there is no element to access.

  • Emre Karakus Profile Picture
    Emre Karakus 114 on at
    RE: Managing Data With List

    I already checked that array with your ways when you metioned first time. It is empty. There is no element in it when i try to fill it with X++.

  • Martin Dráb Profile Picture
    Martin Dráb 231,939 Most Valuable Professional on at
    RE: Managing Data With List

    The error in X suggests that the array is empty in that case.

    If you don't how to look at the content, please go and implement one of the two suggestions I gave you. For example, check the Length property. Like this:

    if (properties.get_Lenght() > 0)
{
	info("Something found!");
}
else
{
	throw error("The array is empty!");
}

    The service provider can't fix the fact that your code isn't prepated for the situation that no elements are returned. It's a bug that you need to fix.

  • Emre Karakus Profile Picture
    Emre Karakus 114 on at
    RE: Managing Data With List

    Yes I'm agree that. There is such an element but still don't know how can i access to that element with X++. I will try to communicate with service provider. Thank you again for your time.

  • Martin Dráb Profile Picture
    Martin Dráb 231,939 Most Valuable Professional on at
    RE: Managing Data With List

    Yes, it's as I said. You don't get an error when accessing the first element (index = 0) because there is such an element.

    Hopefully you agree that your question "How it's working with C#?" is answered.

  • Emre Karakus Profile Picture
    Emre Karakus 114 on at
    RE: Managing Data With List

    This is the debugger result with C#. 

    pastedimage1655209372364v1.png

  • Martin Dráb Profile Picture
    Martin Dráb 231,939 Most Valuable Professional on at
    RE: Managing Data With List

    Now you asked about your C#, which you develop in Visual Studio, won't you? There you don't need to switch anywhere - you're already there.

    Regarding X++, you don't need debugging at the moment. The bug is there and you need to fix it. Please look at the suggestions I gave you.

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