Question

Using only .net 3.5 i have sample class:

public class Table1
{
   public IEnumerable<Table2> Items { get; set; }
}

其某种类型的办公室管理,即需要用一种计算法进行收集。

I trying find way to assign instance to property Items, for example by List<Table2>

When i create instance by Activator, it returns object, which i cant cast to needed type

var t = typeof(List<>);
var gt = t.MakeGenericType(typeof(Table2));
object instance = Activator.CreateInstance(gt);

var table1 = new Table1();
table1.Items = instance; //canot use cast here

把物体变量划分为可计算数字的千兆克

它如何在大多数OR-地图绘制中发挥作用?

Can i use Reflection.Emit to generate concrete type?
Can i use Castle/Linfu?

EDIT:

I canot use any direct cast, because it requires reference Table2 which is i cannot harcode

内容:

在经过一段时间后,我自己找到了解决办法。有必要进行思考,例如:

var table1 = new Table1();
var table1Type = typeof(Table1);
var prop = table1Type.GetProperty("Items");
prop.SetValue(table1, instance, null);

Answer 1

我认为,你只是找不到一个简单的东西:

而不是:

table1.Items = instance;

作出以下决定:

table1.Items = instance as IEnumerable<Table2>;

Answer 2

如果你知道你想要一份名单,那么你为什么只能使用<条码>新清单和提纲;Table2>? 通常,只有<条码>启动人。当这种类型在操作时间之前就知道时,往往使用严格配置值。

但是,你们都需要做的是:instance > ,要么是IE amountable<Table2> or List<Table2>,要么是:

table1.Items = (IEnumerable<Table2>) instance;

友情链接