[英]LINQ in MVC Razor View
I have written a working MVC web app. 我写了一个有效的MVC网络应用程序。 I started using SQL statements back to the DB, but have changed to LINQ. 我开始将SQL语句重新用于DB,但已更改为LINQ。 I have a view that shows all work in the IT department and a button to allow the user to select tasks allocated to them. 我有一个显示IT部门所有工作的视图和一个允许用户选择分配给他们的任务的按钮。
I am trying to get the IT workers list from the model list of files, like this 我试图从模型的文件列表中获取IT工作者列表,如下所示
{@IEnumerable<@AERS_WEB.Models.clsFileDetails> fls = @Model.FILES.Where(q=>q.DEVELOPER=="ac")}
but I get an error 但是我收到了一个错误
Using the generic type 'System.Collections.Generic.IEnumerable' requires 1 type arguments 使用泛型类型'System.Collections.Generic.IEnumerable'需要1个类型参数
I've also tried 我也试过了
{@List<@AERS_WEB.Models.clsFileDetails> fls = @Model.FILES.Where(q=>q.DEVELOPER=="ac")}
{@IList<@AERS_WEB.Models.clsFileDetails> fls = @Model.FILES.Where(q=>q.DEVELOPER=="ac")}
Try this: 尝试这个:
@{
IEnumerable<AERS_WEB.Models.clsFileDetails> fls =
Model.FILES.Where(q=>q.DEVELOPER=="ac").ToList();
}
Although it seems that AERS_WEB.Models.clsFileDetails
is not a type. 虽然看起来AERS_WEB.Models.clsFileDetails
不是一个类型。
Try to think of it like: 试着把它想象成:
IEnumerable<int> = new List<int>();
or 要么
IEnumerable<SomeClass> = new List<SomeClass>();
By the way, keep in mind that it's bad habbit to query a database from a view, it disturbs the MVC pattern. 顺便说一句,请记住,从视图中查询数据库是不好的习惯,它会扰乱MVC模式。
And make sure that Model.FILES.Where(q=>q.DEVELOPER=="ac")
returns items of type: AERS_WEB.Models.clsFileDetails
. 并确保Model.FILES.Where(q=>q.DEVELOPER=="ac")
返回类型为AERS_WEB.Models.clsFileDetails
项目。
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