错误:foreach statement cannot operate on variables of type 'System.Web.UI.WebControls.Table' because 'System.Web.UI.WebControls.Table' does not contain a public definition for 'GetEnumerator' foreach (TableRow tr in table) { ... } 修改为 foreach (TableR…
概念文字性的东西,我们就不说了,这里我们来点具体的实例第呀: 实例一: using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Pratice001 { public class Test:IEnumerable { ; private string[…
static void Main() { List<int> list = new List<int>(); list.Add(); list.Add(); list.Add(); List<int>.Enumerator e = list.GetEnumerator(); Write(e); } static void Write(IEnumerator<int> e) { while (e.MoveNext()) { int value = e.Curr…
了解了这些也就明白了遍历的原理,晚安. using System; using System.Collections; public class Person { public Person(string fName, string lName) { this.firstName = fName; this.lastName = lName; } public string firstName; public string lastName; } public class People : IE…