Json serialization x++ d365 fo

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Posted on by it.dev

Hi All,

I faced the issue about json serialization, i used this below code

str jsRead;

List resultSet = new List(Types::Class);

ResponseContract responseContract = new ResponseContract();
responseContract.parmRetTicketId("Test");
responseContract.parmRetStatus("Success");
responseContract.parmRetMessage("Test");
resultSet.addEnd(responseContract);

jsRead = FormJsonSerializer::serializeClass(resultSet);
return jsRead;

and i got the return like this

[{\"RetMessage\":\"Test\",\"RetStatus\":\"Success\",\"RetTicketId\":\"Test\"}]

How could it show this \ in the json string?

Regards,

Masha

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Answers (3)

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Martin Dráb 233,464 Most Valuable Professional on at

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RE: Json serialization x++ d365 fo

It's true only in one case, not generally. Try using single quotation marks around the string literal, instead of double quotation marks - it doesn't require escaping and therefore it's easier to read:

jsonStr = '{"name1":"%1"," name2":"%2"}';
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Blue Wang on at

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RE: Json serialization x++ d365 fo

HI Masha,

Combine the points mentioned above.

If you want to write your own Json string manually (it is better to use JSON serializer instead of manual), then you need to add a backslash to the string.

For example, use jsonStr = "{\"name1\":\"%1\",\"name2\":\"%2\"}"; instead of jsonStr ={"name1":"%1"," name2":"%2"};
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mhdshb1 1,250 on at

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RE: Json serialization x++ d365 fo

Hi Masha,

As Martin said, the backslashes are shown in the debugger watches and it is only for escaping the qutations.

For example:

This is the printed json string

But in the debugger it looks like this

"{\"_worker\":\"090344\",\"_dayDateFrom\":\"2020-06-07T00:00:00\",\"_dayDateTo\":\"2020-06-13T00:00:00\"}"

Regards,

M
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Martin Dráb 233,464 Most Valuable Professional on at

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RE: Json serialization x++ d365 fo

I suspect you're talking about the visualization in Visual Studio debugger and not the actual content of jsRead variable.

The backslashes escape quotation marks, so you can copy the string and place it inside other quotations marks (as a string literal).