public static PropertyInfo GetOrderByFromExpression(Expression expression)
{
var visitor = new OrderByPropertyInfoVisitor();
visitor.Visit(expression);
return(visitor.Property);
}
public override Expression Visit(Expression node)
{
var methodCall = node as MethodCallExpression;
if (methodCall != null && (methodCall.Method.Name == "OrderBy" || methodCall.Method.Name == "OrderByDescending"))
{
var visitor = new OrderByPropertyInfoVisitor();
visitor.Visit(methodCall);
if (visitor.Property != null)
{
OrderedProperties.Add(visitor.Property);
}
}
return(base.Visit(node));
}