Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/csharp/324.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/0/asp.net-mvc/16.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
C# 使用linq填充包含单词的列表_C#_Asp.net Mvc_Linq - Fatal编程技术网

C# 使用linq填充包含单词的列表

C# 使用linq填充包含单词的列表,c#,asp.net-mvc,linq,C#,Asp.net Mvc,Linq,以下是我的清单: List<ActionType> actionTypeList = new ActionTypeLogic(ApplicationType.Web).GetAllActionTypes(); List actionTypeList=新的ActionTypeLogic(ApplicationType.Web).GetAllActionTypes(); 我想用一个下拉列表中的项目填充一个下拉列表,其中actionTypeList只有一个单词(complete,new

以下是我的清单:

List<ActionType> actionTypeList = new ActionTypeLogic(ApplicationType.Web).GetAllActionTypes();
List actionTypeList=新的ActionTypeLogic(ApplicationType.Web).GetAllActionTypes();

我想用一个下拉列表中的项目填充一个下拉列表,其中
actionTypeList
只有一个单词(complete,new,still)使用Linq

你的意思是这样的吗

string[] words = new[] {"complete", "new", "still"};
actionTypeList.Where(x => words.Contains(x.Word)).ForEach(x => myDropDown.Items.Add(new ListItem(x.Word, x.Value)));
不是真正的LINQ,但它适合这个场景

否则,我恳请您详细说明您的问题。

这个怎么样

 new ActionTypeLogic(ApplicationType.Web).GetAllActionTypes().Select(x => x.MyWord).ToList();

您的代码应该如下所示:

string[] words = new []{"new", "complete", "still"}; 
dropDownList.DataSource = actionTypeList.Where(at=>words.Contains(at.SomeField)).Select(at=> new {at.SomeField, at.SomeOtherField});
dropDownList.DataTextField = "some title for first field";
dropDownList.DataValueField = "some title for second field";
dropDownList.DataBind();