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xRecord class and common class

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Posted on by @rp@n

hi all,

please let me know the xRecord class and common class . i saw the classes are used in stnd. code.

please let me know what is the different between both classes? and when to use?

i refereed this,but not clear

https://docs.microsoft.com/en-us/previous-versions/dynamics/ax-2012/reference/aa625830(v=ax.60)?redirectedfrom=MSDN

please elaborate me

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Sukrut Parab 71,699 Moderator on at

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RE: xRecord class and common class

If you are looking for example , you can find plenty of examples in the application if you do metadata search, one such a example you can check is from application class log inert method. There are plenty of methods on the same class which uses common.

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Blue Wang on at

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RE: xRecord class and common class

Hi @rp@n,

The link you see is a bit old, you can combine to look at this system table https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/dev-ref/system-tables#del_companydomainlist

you will find:

The Common table is the base class for all tables. It does not contain any data. It is primarily used in X++ code to refer to any table in a polymorphic way.

Inheritance Hierarchy of Common table is xRecord Class Common Table.

The inheritance Hierarchy of all other system tables is xRecord Class Common Table (othertablename) Table.

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Martin Dráb 235,876 Most Valuable Professional on at

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RE: xRecord class and common class

I assume you mean "ID" instead if "I'd" and "right" instead of "rite".

If you mean that you can have a method accepting a record of any table (by declaring the parameter as Common), than it's correct. If you know a little bit about object-oriented programming, it should be very familiar.

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nmaenpaa 101,160 Moderator on at

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RE: xRecord class and common class

Not really.

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@rp@n 28 on at

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RE: xRecord class and common class

Nikoloas,

Some time we don't know the table I'd or field I'd if any tables. So, with help of common , we can pass the parameters of table I'd and get the value of ( recid ) of actual table. Then we can manipulate that table as per requirement.

Is it rite?

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Martin Dráb 235,876 Most Valuable Professional on at

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RE: xRecord class and common class

That's surely not standard code. It's seems to be a job and the code doesn't do anything useful. We can't explain to you code that makes no sense.

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nmaenpaa 101,160 Moderator on at

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RE: xRecord class and common class

Could you please use Rich text formatting - Insert - Code when you share your code?

Other than that, I don't have anything to add, except to read my previous messages.

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@rp@n 28 on at

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RE: xRecord class and common class

Nikoloas,

static void DataDic_Common(Args _args)

{

Common common;

CustTable custTable;

;

common = custTable;

if (common.tableId == tablenum(custTable))

{

while select common

{

info(common.(fieldnum(custTable, name)));

}

}

}

Let me know why common is used? We can loop directly CustTable rite?

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nmaenpaa 101,160 Moderator on at

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RE: xRecord class and common class

I already gave you an example in my first reply.

Since you said that you found standard code where Common is used, perhaps you can go where you saw it, and try to figure out how it works. And if you need our help in that, just let us know what code it was.

Thanks!

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@rp@n 28 on at

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RE: xRecord class and common class

Nikolas,

Please give me an example of common table. So, that I can understand properly

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