c# - How to compare minutes portion only of a TimeSpan in LINQ to Entities? -


i have publication entity in model. want retrieve publications created less 10 minutes now.

var publications = myentities.publications.     .where(p => p.creationuserid == exampleid              && (datetime.now - p.creationdate).minutes < 10);

trying execute above statement, following exception: "dbarithmeticexpression arguments must have numeric common type.". tried appropriate function dbfunctions class, without success. can come solution this?

ok got skeeted add conversation , bit may useful others...

the method looking dbfunctions.diffminutes. gives total number of minutes between 2 values.

var publications = myentities.publications.     .where(p => p.creationuserid == exampleid              && dbfunctions.diffminutes(p.creationdate, datetime.now) < 10);

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