LINQ query result in int type variable

I want the the LINQ query result in int type variable.

i have a query this will always return the single int value. i want result sumthing like that.

 int interlineId = from cSInter开发者_Python百科line in codeShareInterline_.AsEnumerable() 
                   where cSInterline.Field<int>("InterCodeId") == interCodeId[0] 
                   select cSInterline.Field<int>("PermitedPercent");

But it returning the error..

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Your query is returning an IEnumerable<int>, with only one item in this case. So add Single or SingleOrDefault onto the end to return only that 1 item. If your query might return more than 1 item then use FirstOrDefault.

int interlineId = 
       (from cSInterline in codeShareInterline_.AsEnumerable() 
        where cSInterline.Field<int>("InterCodeId") == interCodeId[0] 
        select cSInterline.Field<int>("PermitedPercent")).SingleOrDefault();

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Try this:

int interlineId = (from cSInterline in codeShareInterline_.AsEnumerable() 
              where cSInterline.Field<int>("InterCodeId") == interCodeId[0] 
              select cSInterline).Single().Field<int>("InterCodeId");

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Try this (it should work):

 int? interlineId = (from cSInterline in codeShareInterline_.AsEnumerable() 
                   where cSInterline.Field<int>("InterCodeId") == interCodeId[0] 
                   select cSInterline.Field<int>("PermitedPercent")).FirstOrDefault();