protected override Expression VisitBinary(BinaryExpression node)
{
if (node.NodeType == ExpressionType.Equal && node.Left.Type == typeof(DateTime))
{
return(ExpressionUtils.Expr((DateTime x, DateTime y) =>
x.Year == y.Year && x.Month == y.Month && x.Day == y.Day)
.WithParameters(Visit(node.Left), Visit(node.Right)));
}
return(base.VisitBinary(node));
}
public static IQueryable <T> WhereEqual <T>(this IQueryable <T> source, Expression <Func <T, DateTime> > selector, DateTime date)
{
var dateValue = ExpressionUtils.Expr(() => date).Body;
var predicate = Expression.Lambda <Func <T, bool> >(
ExpressionUtils.Expr((DateTime x, DateTime y) =>
x.Year == y.Year && x.Month == y.Month && x.Day == y.Day)
.WithParameters(selector.Body, dateValue),
selector.Parameters);
return(source.Where(predicate));
}
