C# 数据库连接字符串集合(Sql 验证Windows 身份验证).doc

c# 数据库连接字符串集合（sql 验证/windows 身份验证）c# 2010-12-20 15:23:20 阅读169 评论0 字号：大中小 c#数据库连接字符串集合(一)常用连接:1.使用sqlconnection对象:a. sql 验证public void sqlconnectionopen()sqlconnection conn= new sqlconnection();conn.connectionstring = user id=sa;password=;initial catalog=northwind;datasource=localhost;connect timeout=20;conn.open(); b. windows 身份验证public void sqlconnectionopen()sqlconnection conn= new sqlconnection();conn.connectionstring = integrated security=sspi；initial catalog=northwind;datasource=localhost;connect timeout=20;conn.open();2.使用oledbconnection对象:public void oledbconnectionopen()oledbconnection conn = new oledbconnection();conn.connectionstring=provider=microsoft.jet.oledb.4.0;datasource=c:customer.mdb;conn.open();(二)其它:1.odbc连接access本地数据库congoodday.open(driver=microsoft access driver(*.mdb);+dbq=c:a.mdb;+uid=admin;+pwd=;);2.odbc连接access系统数据库congoodday.open(driver=microsoft access driver(*.mdb);+dbq=c:a.mdb;+systemdb=admin;+pwd=;);3.odbc连接access系统数据库congoodday.open(driver=microsoft access driver(*.mdb);+dbq=serversharea.mdb;);4.odbc连接excel系统数据库congoodday.open(driver=microsoft access driver(*.xls);+driverid=790;+dbq=c:a.xls;+defaultdir=c:somepath;);5.odbc连接oracle系统数据库congoodday.open(driver=microsoft odbc for oracle;+server=oracleserver.world;+uid=admin;+pwd=password;);6.odbc连接sql servrcongoodday.open(driver=sql server;+server=myserver;+database=mydatabasename;uid=admin;+pwd=password;);7.odbc连接visual foxprocongoodday.open(driver=microsoft visual foxpro driver;+sourcetype=dbc;+sourcedb=c:a.dbc;+exclusive=no;); windows 身份验证建议使用 windows 身份验证（有时也称为“集成安全性”）连接到支持其的数据源。连接字符串中使用的语法根据提供程序的不同而不同。下表演示用于 .net framework 数据提供程序的 windows 身份验证语法。提供程序 语法 sqlclient integrated security=true;- or -integrated security=sspi; oledb integrated security=sspi; odbc trusted_connec