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Editorial Team
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Asked: 2026-05-22T22:50:03+00:00

When I bool? isApproved = null; db.Table.Where(item => item.IsApproved == isApproved).Count(); the last line

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When I 

bool? isApproved = null;
db.Table.Where(item => item.IsApproved == isApproved).Count();

the last line value is 0. But when I

db.Table.Where(item => item.IsApproved == null).Count();

the value is correct.

I’m using SQLite, DbLinq and DbMetal.

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1 Answer

  1. Editorial Team

    I have seen it done like this:

     db.Table.Where(
            item => item.IsApproved.HasValue == isApproved.HasValue && 
            (!item.IsApproved.HasValue || item.IsApproved.Value==isApproved.Value ) 
 ).Count();
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