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Dynamics 365 Community / Blogs / Dynamics AX = Denis Macchinetti / AX 2012 - How to Add Linked...

AX 2012 - How to Add Linked Datasource using parent Datasource fields

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Denis Macchinetti Profile Picture Denis Macchinetti 16,444
Hi Guys

Can happen to add Datasource to a query using fields related to other parent Datasource.

In order to achieve this goal, the trick is use the third parameter of the AddLink Kernel Method of the QueryBuildDataSource class, like this:

qbdsXX = SysQuery::FindOrCreateDataSource(DataSource_ds.query(), tableNum(TableChild), tableNum(TableParent) );
qbdsXX.relations(false);
qbdsXX.joinMode(JoinMode::InnerJoin);
qbdsXX.fetchMode(QueryFetchMode::One2Many);
qbdsXX.addLink(fieldNum(TableParent, FieldA), fieldNum(TableChild, FieldA));
qbdsXX.addLink(fieldNum(TableParent, FieldB), fieldNum(TableChild, FieldB));
qbdsXX.addLink(fieldNum(TableParentParent, FieldC), fieldNum(TableChild, FieldC), DataSourceParent );

More info at https://msdn.microsoft.com/en-us/library/querybuilddatasource.addlink(AX.60).aspx

Stay tuned!

This was originally posted here.

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