sqlite不支持读取网络路径上的数据库，但可以变通一下，将网络路径映射到本地路径，就可以实现。
如果我们创建共享目录的用户与当前用户不一致，在使用OpenFileDialog选择文件时，对话框中无法显示网络路径，解决方法：
Possible solutions I found
Solution 1: Forcing windows to make the network drives available to standard and administrator acounts:
1 - run regedit
2 - locate HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
3 - create a new DWORD entry with the name EnableLinkedConnections and value 1.
4 - restart your computer
5 - now you can see and use network drives with these installers or applications.
标签：network,对话框,路径,网络,中未,openfiledialog From： https://www.cnblogs.com/SimpleGIS/p/16976602.html