连接数据库SQL Sever

<connectionStrings>

    <add name="sqlservercon" connectionString="Data Source=PC-YZC\SQLEXPRESS;Initial Catalog=News;Persist  Security Info=True;User ID=sa;Password=19920514"/>

  </connectionStrings>

Data Source=PC-YZC\SQLEXPRESS  服务器名称

Initial Catalog=News  数据库名称

身份验证  SQL Sever身份验证

User ID=sa   用户名

Password=19920514 密码

启动缓存

cd C:\Windows\Microsoft.NET\Framework\v4.0.30319

aspnet_regsql -C "Data Source=PC-YZC\SQLEXPRESS;Initial Catalog=News;Persist Security Info=True;User ID=sa;Password=19920514" -ed -et -t "T_News1"

停止缓存

cd C:\Windows\Microsoft.NET\Framework\v4.0.30319

aspnet_regsql -C "Data Source=PC-YZC\SQLEXPRESS;Initial Catalog=News;Persist Security Info=True;User ID=sa;Password=19920514" -dd

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连接数据库 Oracle 

<connectionStrings>

    <add name="oraclecon" connectionString="Data Source=orcl;Persist Security Info=True;User  ID=yaozc;Password=yaozc;Unicode=True" 

providerName="System.Data.OracleClient"/>

  </connectionStrings>

Data Source=orcl 数据库名

User ID=yaozc 用户名

Password=yaozc 密码