void Main()
{
	var q = Properties;
	
	var lst = q.Method1(o => o.ID == 0, o => o.DisplayName);
	
	lst.Dump();
	
}

public static class Ext
{
	public static List<T> Method1<T>(this IQueryable<T> dbset, Expression<Func<T, bool>> whereExpr=null, Expression<Func<T, string>> orderExpr=null){
		var q = dbset;
		if(orderExpr!=null) q = q.OrderBy(orderExpr);
		if(whereExpr!=null) q = q.Where(whereExpr);
		return q.ToList();
	}
}