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I have &nbsp; CrewPerVessel vess = new CrewPerVessel();<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; vess = _crewperVesselRepository.G<wbr />etFirstIte<wbr />m(x =&gt; x.CrewPerVesselId == crewpergroup.CrewId &amp;&amp;&nbsp;x.EmployeeProfilePersonalD<wbr />etail.Posi<wbr />tion.Posit<wbr />ionName == &quot;Boat Captain&quot;);<br />
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and i have &nbsp;obj.id = (vess.id == null)? vess.id = 0 : obj.id = vess.id<br />
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after running the execution if i got object not reference to object and i know this code above obj.id = (vess.id == null)? vess.id = 0 : obj.id = vess.id makes my project stop. Can you help me guys if how can make this work?
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I have   CrewPerVessel vess = new CrewPerVessel();
                        vess = _crewperVesselRepository.GetFirstItem(x => x.CrewPerVesselId == crewpergroup.CrewId && x.EmployeeProfilePersonalDetail.Position.PositionName == "Boat Captain");

and i have  obj.id = (vess.id == null)? vess.id = 0 : obj.id = vess.id

after running the execution if i got object not reference to object and i know this code above obj.id = (vess.id == null)? vess.id = 0 : obj.id = vess.id makes my project stop. Can you help me guys if how can make this work?

How can I set in mvc viewmodel my id if id = 0 and if id.hasvalue id = id.value

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Algorithms

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