.net - Unable to open database file in Visual Studio using C# and Sqlite -


i developed code sqlite , c# on windows 8 machine , works great. now, development machine changed windows 7 (for internal management reasons). i'm using same ide (visual studio 2013 professional .net framework 4.5). when try build , run code on windows 7 machine, works fine when try open windows form solution explorer (by double clicking form) throws following error in design view:

unable open database file.

here's stack trace:

at system.data.sqlite.sqlite3.open(string strfilename, sqliteopenflagsenum flags, int32 maxpoolsize, boolean usepool) @ system.data.sqlite.sqliteconnection.open() @ kapplex_dmfcontroller.dal.sqlitehelper.insert(string tablename, dictionary`2 dic, string primarykey) in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller.dal\sqlitehelper.cs:line 80 @ kapplex_dmfcontroller.dal.sqlitehelper.insert(string tablename, object obj) in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller.dal\sqlitehelper.cs:line 107 @ kapplex_dmfcontroller.dal.logdal.insertlog(logmodel log) in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller.dal\logdal.cs:line 30 @ kapplex_dmfcontroller.bll.device.detectdevice() in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller.bll\device.cs:line 183 @ kapplex_dmfcontroller.bll.device..ctor() in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller.bll\device.cs:line 53 @ kapplex_dmfcontroller.controller.devicecontroller..ctor() in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller.controller\devicecontroller.cs:line 225 @ kapplex_dmfcontroller.kapplex_dmf..cctor() in h:\projects\dmff_v0.4\20150110_v0.4\kapplex_dmfcontrollerintegratecodeofhanputtinginpanel\kapplex_dmfcontroller\program.cs:line 28

how resolve designer error?


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