Web.config配置文件
<connectionStrings><!--数据库链接语句--><add name=\"webSiteSql\" connectionString=\"Data Source=服务器公网ip;Initial Catalog=数据库名;uid=账号;password=密码\" providerName=\"System.Data.SqlClient\"/></connectionStrings>
数据库连接字符串
//数据库连接字符串static string lianjie = ConfigurationManager.ConnectionStrings[\"webSiteSql\"].ConnectionString;
截图