[英]How to put an Entity Framework query result into a List
How to Put the following query result into a List 如何将以下查询结果放入列表
var result = from c in sb.Swithches_SW_PanalComponents
select new { c.ID,c.SW_PanalComponents.ComponentsName,c.ComponentValue };
FINAL EDIT 最后编辑
Based on your last comment, this is all you ever needed 根据您的最新评论,这就是您所需要的
List<Swithches_SW_PanalComponents> result =
sb.Swithches_SW_PanalComponents.ToList();
which of course is identical to 哪个当然与
var result = sb.Swithches_SW_PanalComponents.ToList();
EDIT 编辑
Based on your comments, I think this is what you want: 根据您的评论,我认为这是您想要的:
List<SW_PanalComponents> result = sb.Swithches_SW_PanalComponents
.Select(c => new SW_PanalComponents { /* initialize your fields */ })
.ToList();
END EDIT 结束编辑
The ToList
method is what you want. ToList
方法就是您想要的。 But consider using dot notation. 但是请考虑使用点符号。 For simple queries like this, it's much cleaner and trimmer.
对于像这样的简单查询,它更简洁。
var result = sb.Swithches_SW_PanalComponents
.Select(c => new { c.ID, c.SW_PanalComponents.ComponentsName, c.ComponentValue })
.ToList();
Also note that, if you're just trying to execute your query immediately, and only need to enumerate over it, you can also call AsEnumerable()
还要注意,如果您只是想立即执行查询,而只需要枚举它,则还可以调用
AsEnumerable()
var result = sb.Swithches_SW_PanalComponents
.Select(c => new { c.ID, c.SW_PanalComponents.ComponentsName, c.ComponentValue })
.AsEnumerable();
The advantage here is that result is a less specific type— IEnumerablt<T>
. 这样做的好处是结果是一种不太具体的类型
IEnumerablt<T>
。
Like this: 像这样:
var result =(from c in sb.Swithches_SW_PanalComponents
select new
{ c.ID,
c.SW_PanalComponents.ComponentsName,
c.ComponentValue
}).ToList();
That what i came with finally: 我最终想到的是:
List<Swithches_SW_PanalComponents> MyList = new List<Swithches_SW_PanalComponents>();
var Result = from all in sb.Swithches_SW_PanalComponents
select all
;
MyList.AddRange(Result.ToList<Swithches_SW_PanalComponents>());
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