When creating an override lookup method that needs to return data from multiple tables you will need to be sure to use the SysMultiTableLookup class instead of SysTableLookup class. If you do not then whenever you run the fieldnum() function it will try to use the field id on the initial table instead of the one you are referring to. Below is an example on how to run a lookup to get the UOM symbols and descriptions for a special unit class uom. Query query; QueryBuildDataSource queryBuildDataSourceTable;...(read more)![]()
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