Donald Griggs tried to help this problem, and we looked at the Jean C's
advice. However the problem remains. The actual codes using are as follows:



===========================================================

string dataFile =  "\\\\PC-Name\\C\\FolderName\\data.db
<file:///\\PC-Name\C\FolderName\data.db> " ;

// 

// For x32 target compilation with System.Data.SQLite-x32-1.0.97.dll (.NET4)

// The application works fine.

//

// For x64 target compilation with System.Data.SQLite-x64-1.0.97.dll (.NET4)

// Error message: "unable to open database file"



using (SQLiteConnection cnn = new SQLiteConnection(dataFile))

using (SQLiteCommand cmd = cnn.CreateCommand()

{

    cnn.Open();   <<<<< causing error !

===========================================================



Can anybody help ?



Best regards,

Takashi Fukuda

takashifukuda at comcast.net





From: Takashi Fukuda [mailto:takashifuk...@comcast.net] 
Sent: Thursday, June 18, 2015 11:35 AM
To: 'sqlite-users at mailinglists.sqlite.org'
Subject: SQLite (1.0.97) access via LAN 



We are developing Windows applications with SQLite.dll. The current
situation with VisualStudio-2010 is as follow:



For x32 target compilation with System.Data.SQLite-x32-1.0.97.dll (.NET4)

My application works fine.



For x64 target compilation with System.Data.SQLite-x64-1.0.97.dll (.NET4)

Error message: "unable to open database file"



This problem happens when our applications access to the SQLite data file
"data.db" via LAN, with "\\\\PC-Name\\C\\FolderName\\data.db
<file:///\\PC-Name\C\FolderName\data.db> " format. The local access with
"C:\\FolderName\\data.db" works fine. As described above, the x32 version
works fine both local and LAN access.



Best regards,

Takashi Fukuda

takashifukuda at comcast.net





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