LINQ: joining to table and returning wrong data

Question

I am joining Table A and Table B and I want to return Table B which are common both tables.

But below query returning 2 times of whole table data of Table B

 var speCommonData = from commData in context.SpeCommonData
                join commonInfo in context.SpeCommonDataZipInfo on commData.SpeManuscriptNum equals commonInfo.SpeManuscriptNum
                where commData.Status == "WITHDRAWAL"
                select context.SpeCommonDataZipInfo.ToList();

Answer 1

You have this issue, because you call context.SpeCommonDataZipInfo.ToList() in the Select statement, Select just commonInfo to get data from Table B , like the following code:

 var speCommonData = (from commData in context.SpeCommonData
                join commonInfo in context.SpeCommonDataZipInfo on commData.SpeManuscriptNum equals commonInfo.SpeManuscriptNum
                where commData.Status == "WITHDRAWAL"
                select commonInfo).ToList();

I hope you find this helpful.