mdf - Cannot connect project to a SQL Server database -

-

i have problem while trying copy project folder hard drive. project in visual studio defined in h:\ , while run exe file project no problem while copy folder project hard drive have problem connect application sql server.

see these screenshots:

for example in login form , in login button code is:

private sub button1_click(byval sender system.object, byval e system.eventargs) handles button1.click         dim conn new sqlconnection("server=.\sqlexpress;attachdbfilename=" + environment.currentdirectory + "\database\automation.mdf;database=automation;trusted_connection=yes;")         s2 = "select count( * ) login username = '" & textbox1.text & "' , password = '" & textbox2.text & "'"         dim com new sqlcommand(s2, conn)         dim res object         conn.open()         res = com.executescalar()         conn.close()         if res = 1             msgbox("welcome dear " + textbox1.text, msgboxstyle.okonly, "login successful")             = textbox1.text             if = "admin"                 main.label4.text = "administrator"             else                 main.label4.text = "user"                 = textbox1.text                 main.button3.enabled = false                 main.button5.enabled = false                 main.button9.enabled = false             end if             main.show()             me.hide()         else             msgbox("invalid user or password", msgboxstyle.critical, "attention please")             textbox1.text = ""             textbox2.text = ""             exit sub         end if     end sub

you need specify database is, can't use environment.currentdirectory. currentdirectory uses path of current working directory. either move database same hard drive or change path database.

http://msdn.microsoft.com/en-us/library/system.environment.currentdirectory.aspx


Comments

Post a Comment

Popular posts from this blog

java - Jmockit String final length method mocking Issue -

-
using jmockit 1.2 jar, trying mock string's length method getting unexpected invocation exception: failed: test java.lang.illegalstateexception: missing invocation mocked type @ point; please make sure such invocations appear after declaration of suitable mock field or parameter @ stringdemo.testa$1.<init>(testa.java:17) @ stringdemo.testa.test(testa.java:13) i using testng: @test public void test() throws exception { new expectations() { @mocked("length") string astring; { astring.length(); result = 2; } }; system.out.println(a.showa("test")); } } actual class a: public class { public static int showa(string str){ int a= str.length(); return a; } } this wrong way of recording expected results. shouldn't mock , record string's length() method, record showa() instead. here solution @suppresswarnings("unused&qu
Read more

asp.net - Razor Page Hosted on IIS 6 Fails Every Morning -

-
i have simple page in intranet uses razor/asp fetch single record table , display it, plus few graphic, dashboard display. meaning, no user intervention other first time open ie internal url. the problem having every morning ie displays "page not found or network error" message. refresh page, , it's stuck , doesn't display anything. try different pc, open ie internal url , it's stuck... ...until following: login server hosting page run inetmgr go web sites, etc right click on page that's giving me problem , select browse at moment, error message: server error in '/' application. -------------------------------------------------------------------------------- type of page not served. description: type of page have requested not served because has been explicitly forbidden. extension '.cshtml' may incorrect. please review url below , make sure spelled correctly. requested url: /application/dashboard.cshtml ---------------
Read more

c++ - wxwidget compiling on windows command prompt -

-
can please guide me on method,as how compile wxwidget using windows command prompt or msys. [i can't seem find on wxwiki/wxwidget official book/anywhere else] i have compiled wxwidget instructions have provided (using msys). from searching on internet seems 1 can (maybe?) through use of makefile (is correct?) if yes: directory & how should link wx libraries in makefile if no: way besides makefile? i know can use ide's code::block , make life simpler prefer compile using command prompt/msys. thanks in advance.
Read more