C#数据库连接字符串——Oracle
ODBC DSN
ODBC -- New Microsoft Driver
ODBC -- Old Microsoft Driver
ODBC -- Oracle Driver
OleDb -- Microsoft Driver
OleDb -- Oracle Driver -- Standard Connection
OleDb -- Oracle Driver -- Trusted Connection
.NET DataProvider from Microsoft -- Standard Connection
.NET DataProvider from Microsoft -- Trusted Connection
.NET DataProvider from Oracle -- Standard Connection
.NET DataProvider from Oracle -- Trusted Connection
// ODBC DSN using System.Data.Odbc; OdbcConnection conn = new OdbcConnection(); conn.ConnectionString = "Dsn=DsnName;" + "Uid=UserName;" + "Pwd=Secret;"; conn.Open();
// ODBC -- New Microsoft Driver using System.Data.Odbc; OdbcConnection conn = new OdbcConnection(); conn.ConnectionString = "Driver={Microsoft ODBC for Oracle};" + "Server=OracleServer.world;" + "Uid=UserName;" + "Pwd=Secret;"; conn.Open();
// ODBC -- Old Microsoft Driver using System.Data.Odbc; OdbcConnection conn = new OdbcConnection(); conn.ConnectionString = "Driver={Mic
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using System;
using System.Data;
using System.Configuration;
using System.Collections;
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using System.Web.Security;
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using System.Web.UI.WebControls;
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//tree.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Syst ......
原文：http://csharpindepth.com/Articles/Chapter5/Closures.aspx
第一段略。。。
大多数讲闭包的文章都是说函数式语言，因为它们往往对闭包的支持最完善。当你在使用函数式语言时，很可能已经清楚了解了什么是闭包，所以我想写一篇在经典OO语言出现的闭包有什么用处应该也是很合适的事情。这篇文章我准备讲一下C#（1� ......
