Sum< TSource >() [10/10]

static ? long System.Linq.Queryable.Sum< TSource > ( this IQueryable< TSource > source, Expression< Func< TSource, long?> > selector )

inlinestatic

Definition at line 1643 of file Queryable.cs.

    {
        if (source == null)
        {
            throw Error.ArgumentNull("source");
        }
        if (selector == null)
        {
            throw Error.ArgumentNull("selector");
        }
        return source.Provider.Execute<long?>(Expression.Call(null, CachedReflectionInfo.Sum_NullableInt64_TSource_2(typeof(TSource)), source.Expression, Expression.Quote(selector)));
    }

References System.Linq.Error.ArgumentNull(), System.Linq.Expressions.Expression< TDelegate >.Call(), System.Linq.Expressions.Expression< TDelegate >.Quote(), System.Linq.selector, System.Linq.source, and System.Linq.CachedReflectionInfo.Sum_NullableInt64_TSource_2().