1 <?xml version="1.0" encoding="utf-8" ?>2 <configuration>3 <connectionStrings>4 5 <add name="str" connectionString="Data Source = ./SQLExPRess2008; Initial Catalog=Movie;Integrated Security=True"/> 6 </connectionStrings>7 </configuration>
在App.config配置文件中，主機名并沒有改成自己的主機名，導致無法識別，更改后如下：
1 <?xml version="1.0" encoding="utf-8" ?>2 <configuration>3 <connectionStrings>4 5 <add name="str" connectionString="Data Source=PC201503301006;Initial Catalog=Movie;Integrated Security=True"/>6 </connectionStrings>7 </configuration>
再次運行程序，結果正常！
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