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External Smart Part Lookups throwing "Object reference not set to an instance of an object."
Posted: 07 Dec 09 5:22 PM
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I have been making modifications to the OOTB Insert Contact/Account screen. I have added a lookup control that is giving me problems. It throws a null reference exception ("Object reference not set to an instance of an object") when I try to do the following:
obj.BusinessArea = this.lkuBusinessArea.LookupResultValue.ToString();
I have tried different properties on the lookups, and done general error checking (For instance, I am sure someEntity exists, as well as SomeProperty in the database and AA both). My other custom controls (text fields, picklists) work fine. But for both the user control and the lookup, trying to access LookupResultValue throws the error, and I am at a loss as to why. If it makes any difference, the regular lookup is in DropDownDisplay mode.
When I change the dropdown to a regular dialog lookup, the dialog won't populate. SLXProfiler does not show any SQL firing to populate it, and i get the following error in the event viewer:
Exception caught during the processing of a message
Verb: GET
Uri: http://testserver/slxclient/slxdata.ashx/slx/crm/-/namedqueries?name=ctl00_MainContent_InsertContact_lkuBusinessArea&format=json&count=true&entity=AreaUnitProduct&where=0 eq 1&meta=true&_dc=1260225742505&start=0&limit=150
Original Message: could not resolve property: AreaUnitProductId of: Sage.SalesLogix.Entities.AreaUnitProduct [select AreaUnitProduct.id,AreaUnitProduct.AreaUnitProductId,AreaUnitProduct.BusinessArea,AreaUnitProduct.BusinessUnit from Sage.SalesLogix.Entities.AreaUnitProduct AreaUnitProduct where 0 = 1]
Stack Trace: at NHibernate.Persister.Entity.AbstractPropertyMapping.ToType(String propertyName)
The property name of the entity I am looking up is indeed AreaUnitProductId (as is the display name in AA). I double-checked in administrator and also SQL Management studio, all references to that field are AreaUnitProductId (Not Id or ID). I am at a loss as to how to fix this issue. Is it possible there is something wrong with the entity? Should I consider deleting it / dropping tables and recreating it?
Anybody have any other ideas? |
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