How to trap when student is already log in or log out of the event, using Vb.net 2008 -


this code button 

private sub button1_click(byval sender system.object, byval e system.eventargs) handles button1.click     user = 1     if textbox1.text <> ""         dim namemo string = ""         executequery("select * tbl_student id='" & textbox1.text & "'")         if reader.hasrows             try                 while reader.read                     namemo = reader.item("lname") & ", " & reader.item("fname") & " " & reader.item("mi") & "."                 end while             catch ex exception             end try             call disconnectdb()              'for logging in             if logstatus = 1                 executequery("select * tbl_log studid='" & textbox1.text & "' , eventid=" & realid)                 if reader.hasrows                     call disconnectdb()                     executequery("update tbl_log set  timein='" & now.hour & ":" & now.minute & "' studid='" & textbox1.text & "' , eventid='" & realid & "'")                     call disconnectdb()                 else                     call disconnectdb()                     executequery("insert tbl_log set studid='" & textbox1.text & "',eventid='" & realid & "', timein='" & now.hour & ":" & now.minute & "'")                     call disconnectdb()                 end if                 msgbox("hi " & strconv(namemo, vbstrconv.uppercase) & " login", msgboxstyle.information, "information")                 call disconnectdb()                  'for logging out             elseif logstatus = 2                 executequery("select * tbl_log studid='" & textbox1.text & "' , eventid=" & realid)                 if reader.hasrows                     call disconnectdb()                     executequery("update tbl_log set  timeout='" & now.hour & ":" & now.minute & "' studid='" & textbox1.text & "' , eventid='" & realid & "'")                     call disconnectdb()                 else                     call disconnectdb()                     executequery("insert tbl_log set studid='" & textbox1.text & "',eventid='" & realid & "', timeout='" & now.hour & ":" & now.minute & "'")                     call disconnectdb()                 end if                 msgbox("hi " & strconv(namemo, vbstrconv.uppercase) & " logged out.", msgboxstyle.information, "information")             end if             textbox1.clear()         else             msgbox("sorry " & textbox1.text & " id number not valid!", msgboxstyle.exclamation, "error")         end if         call disconnectdb()         '  textbox1.clear()         textbox1.focus()     end if     user = 0 end sub


Comments

Post a Comment

Popular posts from this blog

javascript - jQuery: Add class depending on URL in the best way -

i have html progress meter: <div class="col-md-3" style="margin-left: -20px;"> <div class="progress-pos active" id="progess-1"> <div class="progress-pos-inner"> login </div> </div> </div> <div class="col-md-3 progress-pos-container"> <div class="progress-pos" id="progess-2"> <div class="progress-pos-inner"> scan items </div> </div> </div> <div class="col-md-3 progress-pos-container"> <div class="progress-pos" id="progess-3"> <div class="progress-pos-inner"> confirm address </div> </div> </div> <div class="col-md-3 progress-pos-container"> <div class="progress-pos" id="progess-4"> <div class="progress-pos-in
Read more

caching - How to check if a url path exists in the service worker cache -

i need check if particular url path exists in service worker cache. example, suppose url is: /myserviceworker/service?a=110&b=70 this url exists in cache, there many of them different values of , b. now, suppose want refresh of these urls, how can that? i want know how access key values service worker cache. if know key, plan follows: var url = new url(key); if(url.pathname === "\/myserviceworker/service") refetch key but not sure how cache key , in format is. mean, string or url? cache api has match() method returns promise resolving in response object if match or undefined if no match exists. second parameter object can specify ignoresearch not take account url parameters. the ignoresearch option supported firefox ( chrome status here ). in other hand, retrieve cache entries, can use keys() method.
Read more

Redirect to a HTTPS version using .htaccess -

i need modify .htaccess file redirect urls https version without "www". http://example.com --> https://example.com http://www.example.com --> https://example.com https://www.example.com --> https://example.com this how .htaccess file looks like: rewriteengine on rewritecond %{request_filename} !-d rewritecond %{request_filename} !-f rewriterule ^(.*)$ redirect.php?id=$1&page=$2 [qsa,l] what modifications need make .htaccess in order forward https without "www"? it depends on doing current code. looks file called redirect trying display php page seo friendly url. think might confusing people. anyway, need , force https without www, need 1 more rule above. also second rule needs two capture groups in rewriterule test string because wanting 2 different values using $1 , $2 references. rewriteengine on #rediect www non www and/or http https --- combinations. rewritecond %{http_host} !^example\.com [nc,or] rewritecond %{https} !^
Read more