<configuration>
  <connectionStrings>
    <!--  数据库  jjq_connStr_SQL Server -->
    <add name="ConnectionString" connectionString="Data Source=106.12.xxx.xxx;Initial Catalog=fk_uas;User ID=jjq;Password=xxxxxx;Min Pool Size=10;Max Pool Size=255;Connect Timeout=30" providerName="System.Data.SqlClient" />
  </connectionStrings>
</configuration>

Web.config-配置连接数据库（SQL server）