MySql.Data.MySqlClient.MySqlException - vb.net -

-

can't figure out went wrong code. wanted retrieve sha256 key mysql database. 

keys table: id(int 4)    |  key (varchar64)  1            |  5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8

myadapter.fill(mydataatable) line keep throwing me error

mysql.data.mysqlclient.mysqlexception unhandled
errorcode=-2147467259 message=you have error in sql syntax; check manual corresponds mysql server version right syntax use near 'keys id= 1' @ line 1

here full error log: http://pastebin.com/eg4gfywa

here code, learnt youtube...

  dim connectdatabase new mysqlconnection("server=localhost;user id=root;password=testing123;database=flag15")     if textbox1.text = ""         messagebox.show("please input user id", "error", messageboxbuttons.ok, messageboxicon.error)     else         dim myadapter new mysqldataadapter("select * keys id= " & textbox1.text, connectdatabase)         dim mydataatable new datatable         myadapter.fill(mydataatable)         if mydataatable.rows.count > 0             label4.text = mydataatable.rows(0).item("key")         else             messagebox.show("user id not found", "error", messageboxbuttons.ok, messageboxicon.error)             textbox1.text = ""             label4.text = ""         end if     end if

i assume need apostrophes around where id= .... however, wide open sql-injection. don't concatenate sql string use sql-parameters.

using con = new mysqlconnection("server=localhost;user id=root;password=testing123;database=flag15")     using myadapter = new mysqldataadapter("select * keys id=@id", con)         myadapter.selectcommand.parameters.addwithvalue("@id", textbox1.text)         dim mydataatable new datatable         myadapter.fill(mydataatable)         '...'     end using end using

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