localdb链接字符串
<add name="GitCandyContext" connectionString="Data Source=(localdb)\v11.0;Integrated Security=True;AttachDBFilename=|DataDirectory|\GitCandy.mdf" providerName="System.Data.SqlClient" />
<add name="GitCandyContext" connectionString="Data Source=(localdb)\v11.0;Integrated Security=True;AttachDBFilename=|DataDirectory|\GitCandy.mdf" providerName="System.Data.SqlClient" />