你必须知道的.Net
/*
* new 三种用法
* Person objPerson = new Person();
* public new void Say(){}
* public class Person where Animal:new(){}
* Array 转换ArrayList
* Array array = null; ArrayList arrayList = null;
* foreach(Object o in array){arrayList.Add(o);}
* datagrid.datasouse 可以连接的数据源
* DataSet DataTable DataView IList
* 类成员访问类别
* public private protected internal
* sealed 修饰类特点
* 密封类 防止其他类派生 有优化的作用
* ADO.NET五个重要对象
* Connection Command DataAdapeater DataReader DataSet
* 反射 序列化 区别
*
* or m 工作原理
*
* struct和类区别
* remoting和web services区别
* code-behind技术
* 三层架构和mvc区别
* oop的思想主要是指
* 指出5种以上.net文件的后缀名以及作用
* .netframe体系主要部分以及作用
* 如何理解委托
* 接口和类的区别
* 进程和线程的区别
* web services中wsdl之类的概念
* viewstate session cookie cache 解释下
*
* 上下文对象的概念
* 死锁 abstract virtual finally final finalize
* hashmap和hashtable区别
* Collection和Collections区别
* assert是什么
* Overload和Override的区别
* ==和equals()区别
* Socket的概念
*
*/
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