配置文件:
<appSettings>
<add key="ConnectionString" value="server=.\SqlExpress;database=db_NetShop;UId=sa;password="/>
</appSettings>
<connectionStrings>
<add name="db_NetShopConnectionString1" connectionString="Data Source=.;Initial Catalog=db_NetShop;Persist Security Info=True;User ID=sa;MultipleActiveResultSets=False;Packet Size=4096;Application Name="Microsoft SQL Server Management Studio""
providerName="System.Data.SqlClient" />
</connectionStrings>
<appSettings>
<add key="ConnectionString" value="server=.\SqlExpress;database=db_NetShop;UId=sa;password="/>
</appSettings>
<connectionStrings>
<add name="db_NetShopConnectionString1" connectionString="Data Source=.;Initial Catalog=db_NetShop;Persist Security Info=True;User ID=sa;MultipleActiveResultSets=False;Packet Size=4096;Application Name="Microsoft SQL Server Management Studio""
providerName="System.Data.SqlClient" />
</connectionStrings>
在sql2005上能够直接用的
可能是没有添加