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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / How can I write the re...
Microsoft Dynamics AX (Archived)

How can I write the results from a QueryRun object to a CSV file?

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Posted on by Sven Joos 811

Hi,

after executing a queryrun object I want to loop through the different datasources and per row of a datasource write a record to a CSV file (one cell per field - looping through the fields?).

Is this possible, can anyone supply me with some code examples?

In the end the result should look a bit like this:

Account Number;Account Name;

0001;Sven

0002;Pieter

...

Thanks for any help.

Sven

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  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 239,932 Most Valuable Professional on at

    Hi Sven, you can write to text file using the TextIo class:

    #File
    TextIo textIo = new TextIO("xyz123.txt", #IO_Write);
    ;
    textIo.outFieldDelimiter(';');
    while (queryRun.next())
    {
        //... get data
        textIo.write(yourTable.AccountNumber, yourTable.AccountName);
    }

    If you want to implement a generic solution, you can iterate through datasources/fields like this:

    setPrefix("List query fields");
    for (i = 1; i <= query.dataSourceCount(); i++)
    {
        qbds = query.dataSourceNo(i);
        setPrefix(tableId2name(qbds.table()));
            
        for (j = 1; j <= qbds.fields().fieldCount(); j++)
        {
            fieldId = qbds.fields().field(j);
            info(new SysDictField(qbds.table(), fieldId).name());
        }
    }

    When you have TableId and FieldId, you can write data by the following code:

    common = queryRun.get(tableId);
    textIo.write(common.(fieldId));

  • Martin Dráb Profile Picture
    Martin Dráb 239,932 Most Valuable Professional on at

    I forgot to mention: My code above doesn't contain any escaping of special characters, which would be needed in a real solution.

    Also, TextIo constructor's third parameter allows to set a code page, which is often needed.

  • Sven Joos Profile Picture
    Sven Joos 811 on at

    Thx Martin,

    that helped a lot.

    I have a related question.

    Everytime I use the method "write" a new line is written.

    Is it not possible to continue writing on the same line?

    THanks,

    Sven

  • Martin Dráb Profile Picture
    Martin Dráb 239,932 Most Valuable Professional on at

    You can build a container and write it down by writeExp() when it is complete.

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