("The two folders are not the same"); }// Find the common files. It produces a sequence and doesn't// execute until the foreach statement.varqueryCommonFiles = list1.Intersect(list2, myFileCompare);if(queryCommonFiles.Any()) { Console.WriteLine($"The following files are...
("The two folders are not the same"); }// Find the common files. It produces a sequence and doesn't// execute until the foreach statement.varqueryCommonFiles = list1.Intersect(list2, myFileCompare);if(queryCommonFiles.Any()) { Console.WriteLine($"The following files are ...
("The two folders are not the same"); }// Find the common files. It produces a sequence and doesn't// execute until the foreach statement.varqueryCommonFiles = list1.Intersect(list2, myFileCompare);if(queryCommonFiles.Any()) { Console.WriteLine($"The following files are ...
Console.WriteLine("find all result:" + query2.Count); Console.ReadKey(); } 结果是: construct list finished. linq ticks:1214 linq find result:8333767 find all ticks:7379030 find all result:8333767 今天在网上,Google了半天List的Find、FindAll机制,无果!晚上回来,写了一段小Demo; 发现Linq的性能更...
usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;classProgram{staticvoidMain(){// 示例数据List<int>numbers=newList<int>{1,2,3,4,5};List<int>numbersToFind=newList<int>{2,4,6};// 使用Lambda表达式执行IN操作varresult=numbers.Where(x=>numbersToFind.Contains(x)).ToList();//...
定义一个集合,例如List<T>,其中T是集合中元素的类型。 使用LINQ的Distinct方法对集合进行去重操作。Distinct方法返回一个新的集合,其中包含原始集合中的唯一元素。 判断去重后的集合与原始集合的元素数量是否相等,如果不相等,则说明存在重复元素。 下面是一个示例代码: 代码语言:csharp 复制 using System; using Syste...
var commonNamesQuery = fileA.Intersect(fileB); OutputQueryResults(commonNamesQuery, "Merge based on intersect:"); // Find the matching fields in each list. Merge the two // results by using Concat, and then // sort using the default string comparer. string nameMatch =...
List<People> lists = list.FindAll( delegate(People p) { return p.Sex == "女"; }); //排序(根据类型) lists.Sort( delegate(People p1, People p2) { return p1.Name.CompareTo(p2.Name); }); foreach (People item in lists)
FindDataSourceControl(Control) Returns the data source that is associated with the data control for the specified control. FindFieldTemplate(Control, String) Returns the field template for the specified column in the specified control's naming container. FindMetaTable(Control) Returns the metatable...
FindDataSourceControl(Control) Returns the data source that is associated with the data control for the specified control. FindFieldTemplate(Control, String) Returns the field template for the specified column in the specified control's naming container. FindMetaTable(Control) Returns the metatable...