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argumentnullexception The type of one of the expressions in the join clause is incorrect. Type inference failed in the call to 'Join'

Watcher O_O answered on November 4, 2022 Popularity 5/10 Helpfulness 6/10

answer argumentnullexception The type of one of the expressions in the join clause is incorrect. Type inference failed in the call to 'Join'

argumentnullexception The type of one of the expressions in the join clause is incorrect. Type inference failed in the call to 'Join'

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//Make sure that the data types are the same and the prop names match
//Wrong
join b in ... on new { a.Name, a.Phone } equals new { b.Name, b.PhoneNumber }
//Right
join b in ... on new { a.Name, a.Phone } equals new { b.Name, Phone = b.PhoneNumber }

Popularity 5/10 Helpfulness 6/10 Language csharp

Source: Grepper

Tags: argumentnullexception c# call type-inference

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Contributed on Nov 04 2022

Watcher O_O

0 Answers Avg Quality 2/10

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argumentnullexception The type of one of the expressions in the join clause is incorrect. Type inference failed in the call to 'Join'

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