数据库的链接语句

Data Source/ server：sql server名称   (localhost / .\sqlexpress )

Initial catalog/ database：数据库名

 示例如下：

1.

<connectionStrings>

    <add name="SqlServices" connectionString="Data Source=localhost;Integrated Security=SSPI;Initial Catalog=db_Blog;" providerName="System.Data.SqlClient"/>

  </connectionStrings>

 

string settings = Convert.ToString(ConfigurationManager.ConnectionStrings["SqlServices"]);

  SqlConnection myconn = new SqlConnection(settings);

  myconn.Open();

2.

conn.ConnectionString = "Data Source=.\\SQLExpress;Integrated Security=true; AttachDbFilename=|DataDirectory|\\Database.mdf;User Instance=true;";

 

Integrated Security/ uid，pwd：登陆方式（SSPI）