c# - lightswitch cannot connect to created database visual studio 2013 -

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everytime create new project (only on new project not happening project create on campus computer) add table , screen debug on desktop application show red x mark , "unable load data. please check network connection" , on visual studio:

an exception of type 'system.data.entityexception' occurred in system.data.entity.dll not handled in user code  additional information: underlying provider failed on connectionstring.  on application1\application1\application1.server\generatedartifacts\applicationdataobjectcontext.cs       public applicationdata(string connectionstring) : base(connectionstring, "applicationdata")             {                 oncontextcreated();             }  inside connectionstring

is 

"metadata=res://application.server/applicationdata.csdl|res://application.server/applicationdata.ssdl|res://application.server/applicationdata.msl;provider=system.data.sqlclient;provider connection string=\"data source=(localdb)\\v11.0;attachdbfilename='e:..desktop\\application1\\application1\\bin\\data\\applicationdatabase.mdf';integrated security=true;connect timeout=30;multipleactiveresultsets=true\""

i'm running visual studio update 1 uninstall update 1. try uninstall visual studio , install again no result. on win7 pro sp 1 (x64)

update :

i try reinstall windows (still using win7pro sp1) , install vs2013 , stil same error.

recently found changing location of user folder ("c:\users\your username" ex desktop ,document,download ) default location make visual studio generate connection string iis express server wrong. moving user folder in win 8 make cannot run win phone 8 emulator in visual studio


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