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问题描述
public class data() {
public string attribute1 { get; set; }
public string attribute2 { get; set; }
public string attribute3 { get; set; }
}
我有一个对给定属性排序的列表.
_list.OrderBy(x => x.attribute1).ToList();
但是我想先定义对象，然后按照给定对象的顺序执行顺序.我想知道这是否可能.例如:
object myAttribute = attribute1; _list.OrderBy(x => x.myAttribute).ToList();
推荐答案
如果需要创建动态 order by 语句，可以这样:
Func<Item, Object> orderBy = null; if(...) orderBy = item => item.attribute1 ; else orderBy = item => item.attribute2; _list.OrderBy(orderBy).ToList();
问题描述
public class data() {
public string attribute1 { get; set; }
public string attribute2 { get; set; }
public string attribute3 { get; set; }
}
I have a list that orders the given attribute.
_list.OrderBy(x => x.attribute1).ToList();
But I want to define the object first and then execute order in order with the give object. I am wondering if this is possible. for example:
object myAttribute = attribute1; _list.OrderBy(x => x.myAttribute).ToList();
推荐答案
If you need to create dynamic order by statements, you can do it like this:
Func<Item, Object> orderBy = null; if(...) orderBy = item => item.attribute1 ; else orderBy = item => item.attribute2; _list.OrderBy(orderBy).ToList();
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