// Create an IEnumerable data sourcestring[] scores = File.ReadAllLines("scores.csv");// Change this to any value from 0 to 4.intsortField =1; Console.WriteLine($"Sorted highest to lowest by field [{sortField}]:");// Split the string and sort on field[num]varscoreQuery =fromlinein...
LINQ语句一般都会在使用的时候才会执行,除以下情况: Operators that return a single element or scalar value, such as First or Count 包含转换操作ToArray, ToList, ToDictionary, ToLookup, ToHashSet 重新评估(Reevaluation)# 在执行时会再次检测序列,以最新的序列进行执行LINQ操作 重新评估的缺点# 有时候想锁...
Sets the DataLoadOptions value of a LINQ-to-SQL data source to force all the foreign-key entities to be loaded. LoadWithForeignKeys(LinqDataSource, Type) Sets the DataLoadOptions value of a LINQ-to-SQL data source to force all the foreign-key entities to be loaded. TryGetMetaTable(IDa...
public class AnagramEqualityComparer : IEqualityComparer { public bool Equals(string x, string y) { return getCanonicalString(x) == getCanonicalString(y); } public int GetHashCode(string obj) { return getCanonicalString(obj).GetHashCode(); } private string getCanonicalString(string word) { char...
Returns the minimum value in a sequence of Single values. C# คัดลอก public static float Min (this System.Collections.Generic.IEnumerable<float> source); Parameters source IEnumerable<Single> A sequence of Single values to determine the minimum value of. Returns Single The mini...
{ string _Name; int _Age; bool _CanCode; public string Name { get { return _Name; } set { _Name = value; } } public int Age{ get { return _Age; } set { _Age = value; } } public bool CanCode { get { return _CanCode; } set { _CanCode = value; } } public bool ...
24:set {this._location =value; } 1. 25:} 1. 26: 1. 27:privatestring_zipCode = String.Empty; 1. 28:publicstringZipCode 1. 29:{ 1. 30:get {returnthis._zipCode; } 1. 31:set {this._zipCode =value; } 1. 32:} 1. 33: ...
The doubles from highest to lowest: 4.1 2.9 2.3 1.9 1.7 linq33: OrderByDescending - Simple 2 //c# public void Linq33() { List<Product> products = GetProductList(); var sortedProducts = from p in products orderby p.UnitsInStock descending select p; ObjectDumper.Write(sortedProducts); ...
Console.WriteLine("Value: " + Convert.ToString(filter)); } 2. 对数据集进行函数运算型(特别注意select方法里面需要用new关键字来确定记录子集合) string[] words = { "aPPLE", "BlUeBeRrY", "cHeRry" }; var upperLowerWords = from w in words ...
{ string _Name; int _Age; bool _CanCode; public string Name { get { return _Name; } set { _Name = value; } } public int Age{ get { return _Age; } set { _Age = value; } } public bool CanCode { get { return _CanCode; } set { _CanCode = value; } } public bool ...