<system.data> <DbProviderFactories> <remove invariant="System.Data.SQLite"/> <add name="SQLite Data Provider" invariant="System.Data.SQLite" description=".Net Framework Data Provider for SQLite" type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite"/> </DbProviderFactories> </system.data>打開app.config,複製上面一段放在<connectionStrings>上面 運行可能會出現“找不到或無法加載已註冊的.net framework data provider” 只要引用sqlite的dll文件就行了