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  • Data entry screen in asp.net MVC

    - by Vikas
    You may thick that it is a silly question but I am confused! I have a situation that I have a Lecture table. And I want to store attendance of who have registered for it. I have master table of People who will register, lecture table, and Important one table is attendance that stores P.k. as f.k. of rest of the table. On Index view of lecture operator will select Attendance and enter attendance information. My problem It show only one page for attendance entry and that page can also open open in EDIT mode, for editing attendance. So what would be the design of the page and process flow of taking attendance?

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  • ADO.NET: Faster way to check if the database server is accessible?

    - by lotana
    At the moment I am using this code to check if the database is accessible: public bool IsDatabaseOnline(string con) { bool isConnected = false; SQLConnection connect = null; try { connect = new SQLConnection(con); connect.Open(); isConnected = true; } catch (Exception e) { isConnected = false; } finally { if (connect != null) connect.Close(); } return isConnected; } While this code works fine, there is a disadvantage. If the server is not online it spends about 4 full seconds trying to open the connection before deciding that it is not available. Is there a way to test the connection without trying to actually opening it and waiting for the timeout? Something like a database-equivalent of ping?

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  • try catch finally

    - by gligom
    Maby this is simple for you, but for me is not. I have this code: Private int InsertData() { int rezultat = 0; try { if (sqlconn.State != ConnectionState.Open) { sqlconn.Open(); } rezultat = (int)cmd.ExecuteScalar(); } catch (Exception ex) { lblMesaje.Text = "Eroare: " + ex.Message.ToString(); } finally { if (sqlconn.State != ConnectionState.Closed) { sqlconn.Close(); } } return rezultat; } Is just for inserting a new record in a table. Even if this throw an error "Specified cast is not valid." "rezultat=(int)cmd.ExecuteScalar();" - the code is executed and the row is inserted in the database, and the execution continues. Why it continues? Maby i don't understand the try catch finally yet Smile | :) Thank you!

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  • Thumbnail wont show up in Facebook link share

    - by Xander Aeder Putris
    I have been messing with Open Graph for hours and can't figure out why Facebook still wont let me show an image when I share a link to a new site I just launched. Even sites I built 5 years ago that have no clue of Open Graph show images so I have no idea why this new site wont allow it. I just need to launch this site and every time I post the url in my status update only text appears. I re sized the image to be 200px x 135px but that still doesn't work.. It can find the image but it wont show up. Please help me figure this thing out. I have a number of people sharing this page right now and no image shows up.. So embarrassing. Thank you in advance! The website is http://sosshapes.com

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  • STDOUT can not return to Screen

    - by rockyurock
    STDOUT can not return to Screen Hello all below is the part of my code, my code enters "if loop" with $value =1 and output of the process "iperf.exe" is getting into my_output.txt. As i am timing out the process after alram(20sec) time,also wanted to capture the output of this process only. then after i want to continue to the command prompt but i am not able to return to the command promt... not only this code itself does not PRINT on the command prompt , rather it is priniting on the my_output.txt file (i am looping this if loop through rest of my code) output.txt ========== inside value loop2 ------------------------------------------------------------ Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 8.00 KByte (default) ------------------------------------------------------------ [160] local 10.232.62.151 port 5001 connected with 10.232.62.151 port 1505 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [160] 0.0- 5.0 sec 2.14 MBytes 3.59 Mbits/sec 0.000 ms 0/ 1528 (0%) inside value loop3 clue1 clue2 inside value loop4 one iperf completed Transfer Transfer Starting: Intent { act=android.settings.APN_SETTINGS } ******AUTOMATION COMPLETED****** Looks some problem with reinitializing the STDOUT.. even i tried to use close(STDOUT); but again it did not return to STDOUT could sombbody please help out ?? /rocky CODE:: if($value) { my $file = 'my_output.txt'; use Win32::Process; print"inside value loop\n"; # redirect stdout to a file open STDOUT, '>', $file or die "can't redirect STDOUT to <$file> $!"; Win32::Process::Create(my $ProcessObj, "iperf.exe", "iperf.exe -u -s -p 5001", 0, NORMAL_PRIORITY_CLASS, ".") || die ErrorReport(); $alarm_time = $IPERF_RUN_TIME+2; #20sec print"inside value loop2\n"; sleep $alarm_time; $ProcessObj->Kill(0); sub ErrorReport{ print Win32::FormatMessage( Win32::GetLastError() ); } print"inside value loop3\n"; print"clue1\n"; #close(STDOUT); print"clue2\n"; print"inside value loop4\n"; print"one iperf completed\n"; } my $data_file="my_output.txt"; open(ROCK, $data_file)|| die("Could not open file!"); @raw_data=<ROCK>; @COUNT_PS =split(/ /,$raw_data[7]); my $LOOP_COUNT_PS_4 = $COUNT_PS[9]; my $LOOP_COUNT_PS_5 = $COUNT_PS[10]; print "$LOOP_COUNT_PS_4\n"; print "$LOOP_COUNT_PS_5\n"; my $tput_value = "$LOOP_COUNT_PS_4"." $LOOP_COUNT_PS_5"; print "$tput_value"; close(ROCK); print FH1 "\n $count \| $tput_value \n"; regds rakesh

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  • Problem writing HTML content to Word document in ASP.NET

    - by saran
    I am trying to export the HTML page contents to Word. My Html display page is: What is your favourite color? NA List the top three school ? one National two Devs three PS And a button for click event. The button click event will open MS word and paste the page contents in word. The word page contains the table property of html design page. It occurs only in Word 2003. But in word 2007 the word document contains the text with out table property. How can I remove this table property in word 2003. I am not able to add the snapshots. Else i will make you clear. I am designing the web page by aspx. I am exporting the web page content by the following code. protected void Button1_Click(object sender, EventArgs e) { Response.ContentEncoding = System.Text.Encoding.UTF7; System.Text.StringBuilder SB = new System.Text.StringBuilder(); System.IO.StringWriter SW = new System.IO.StringWriter(); System.Web.UI.HtmlTextWriter htmlTW = new System.Web.UI.HtmlTextWriter(SW); tbl.RenderControl(htmlTW); string strBody = "<html>" + "<body>" + "<div><b>" + htmlTW.InnerWriter.ToString() + "</b></div>" + "</body>" + "</html>"; Response.AppendHeader("Content-Type", "application/msword"); Response.AppendHeader("Content-disposition", "attachment; filename=" + fileName); Response.ContentEncoding = System.Text.Encoding.UTF7; string fileName1 = "C://Temp/Excel" + DateTime.Now.Millisecond.ToString(); BinaryWriter writer = new BinaryWriter(File.Open(fileName1, FileMode.Create)); writer.Write(strBody); writer.Close(); FileStream fs = new FileStream(fileName1, FileMode.Open, FileAccess.Read); byte[] renderedBytes; // Create a byte array of file stream length renderedBytes = new byte[fs.Length]; //Read block of bytes from stream into the byte array fs.Read(renderedBytes, 0, System.Convert.ToInt32(fs.Length)); //Close the File Stream fs.Close(); FileInfo TheFile = new FileInfo(fileName1); if (TheFile.Exists) { File.Delete(fileName1); } Response.BinaryWrite(renderedBytes); Response.Flush(); Response.End(); }

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  • [C#] SerialPort not taking input. It throws it back at me!

    - by Mashew
    When I try to write an AT command to my GSM modem, it does not seem to take the command. I have used PuTTY to check that the command words, it does. I have checked to see if the port is opening, it does. What could I possibly be doing wrong? NOTE: The "lol" part is for debugging purposes. ;3 SerialPort sp = new SerialPort("COM3"); sp.BaudRate = 9600; sp.DataBits = 8; sp.StopBits = StopBits.One; sp.Parity = Parity.None; sp.Open(); if (sp.IsOpen == false) { sp.Open(); } Thread.Sleep(1000); sp.WriteLine("AT+CMGF=1"); Thread.Sleep(1000); string lol = sp.ReadExisting(); sp.Close(); return lol;

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  • C++ iostream not setting eof bit even if gcount returns 0

    - by raph.amiard
    Hi I'm developping an application under windows, and i'm using fstreams to read and write to the file. I'm writing with fstream opened like this : fs.open(this->filename.c_str(), std::ios::in|std::ios::out|std::ios::binary); and writing with this command fs.write(reinterpret_cast<char*>(&e.element), sizeof(T)); closing the file after each write with fs.close() Reading with ifstream opened like this : is.open(filename, std::ios::in); and reading with this command : is.read(reinterpret_cast<char*>(&e.element), sizeof(T)); The write is going fine. However, i read in a loop this way : while(!is.eof()) { is.read(reinterpret_cast<char*>(&e.element), sizeof(T)); } and the program keeps reading, even though the end of file should be reached. istellg pos is 0, and gcount is equal to 0 too, but the fail bit and eof bit are both ok. I'm running crazy over this, need some help ...

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  • Test if current page is inside a shadowbox? (so i can close the shadowbox and reopen that page in t

    - by Max Williams
    Hi all I have a couple of pages in my site which open in a shadowbox window rather than the main window. My problem is that if the user session expires, then the user clicks on one of the links that open in a shadowbox, they are redirected to the login page INSIDE THE SHADOWBOX, which i don't want. I've been trying to think of the best way to handle this - one way i thought of, which seems a bit clumsy tbh, was on the login page to test if we're in a shadowbox, and if we are then close it and redirect the parent window to the login page. a) does this seem like a sensible plan? I added the following to my login page, which works: $(document).ready(function(){ if(window.parent.location != window.location){ window.parent.location.href = window.location; } } but i have to wait for the shadowbox to finish loading the page and then redirect. So it's working but like i say a bit clumsy. Is there a nicer way? grateful for any advice - max

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  • How do I connect to SqlLite db file from c#?

    - by Nick
    Hey all... I am trying to connect to a sqllite db from with a c# application. I have never worked with SQLLite before. var connectionString = @"data source='C:\TestData\StressData.s3db'"; connection = new SQLiteConnection(connectionString); connection.Open(); When i attempt to open the connection I get the following exception: System.NotSupportedException: The given path's format is not supported. at System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath) at System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath) What am I doing wrong? Thanks.. Nick

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  • Perforce "Locked client" error

    - by Thanatos
    I'm new to Perforce, and it is not going well at all. But currently, I am completely stuck, as all I can get it to say is: $ p4 open a_code_file.cpp Locked client 'my_hostname' can only be used by owner 'perforce'. I have absolutely no idea what I did to upset it, and the error message itself is meaningless gibberish to me. "perforce" doesn't own anything - all the files are owned by me. I am in a Perforce repository, ie, there's a .p4rc a few directories up. Edit: It only seems to be some files. If I: $ cd some_other_directory_in_the_repo $ p4 open a_file ... it works. So it's only some things...

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  • Sharepoint AD imported users are becomming sporadically corrupted, causing us to have to create a ne

    - by TrevJen
    Sharepoint 2007 MOSS with AD imported users. All servers are 2008. I have around 50 users, over the past 2 months, I have had a handful of the users suddenly unable to login to Sharepoint. When they login, they either get a blank screen or they are repropmted. These users are using accounts that have been used for many months, sometimes the problem originates with a password change. In all cases, the users account works on every other Active Directory authenticated resource (domain, exchange, LDAP). In the most recent case, last night I was forced deleted a user ("John smith") because of corruption. The orifinal account name was jsmith. I deleted him from active directory, then deleted him from the profile list in Sharepoint Shared Services. I could not find a way to delete him from the Sharepoint user list, but I reran the import after recreating his account (renamed it too just to be sure to "smithj"). At first, this did not wor, the user could still access all other resources but Sharepoint. then, some 30 minutes later it inexplicably started working. This morning, the user changed passwords, which immediatly broke the login on Sharepoint again. I am at a loss on how to troubleshoot this.

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  • Using java applet to send request with the client ip

    - by mike
    hi, i need to send a request to a website when a user submits their url, i tried using curl but it uses server ip which i dont want i have seen a website that is doing a similar job by using applet, users need to open a popup which contains the applet after they leave it open allow it to run it uses a port and then uses the localhost ip like so 127.0.0.1:64653 to send request and basicly curl by the user ip. i decompiled the applet the website was using and they were using java.net.ServerSocket and some other java code but i do not know anything about java. I would to know how this can be done.

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  • How to document thrown exceptions in c#/.net

    - by Arnold Zokas
    I am currently writing a small framework that will be used internally by other developers within the company. I want to provide good Intellisense information, but I am not sure how to document thrown exceptions. In the following example: public void MyMethod1() { MyMethod2(); // also may throw InvalidOperationException } public void MyMethod2() { System.IO.File.Open(somepath...); // this may throw FileNotFoundException // also may throw DivideByZeroException } I know the markup for documenting exceptions is: /// <exception cref="SomeException">when things go wrong.</exception> What I don't understand is how to document exceptions thrown by code called by MyMethod1()? Should I document exceptions thrown by MyMethod2() Should I document exceptions thrown by File.Open() ? What would be the best way to document possible exceptions?

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  • WindowStartupLocation.CenterScreen is opening my window on the wrong display

    - by chaiguy
    According to the documentation, CenterScreen should open the window in the center of the screen that contains the mouse cursor, however this is not happening. I have a dual monitor setup, with my secondary monitor appearing to the left of my primary monitor (the one with the task bar). When the user clicks a link in my interface on the primary (right-most) monitor, and I open a new window with WindowStartupLocation set to CenterScreen, the window appears in the center of the screen of the left monitor. This is not where the mouse is and I am lost as to why it is picking that display. Has anyone experienced this before or have any ideas for a workaround? If I can't get the proper behavior using WindowStartupLocation, I will just manually move the window to the proper display (I still have to figure that out though).

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  • SimpleModal, no response from ASP.NET button

    - by bhsstudio
    Hi, I have the following code. $(document).ready(function() { $('#btnOpen').click(function(e) { $('#content').modal({ onOpen: function(dialog) { dialog.overlay.fadeIn('slow', function() { dialog.data.hide(); dialog.container.fadeIn('slow', function() { dialog.data.slideDown('slow'); }); }); }, onClose: function(dialog) { dialog.data.fadeOut('slow', function() { dialog.container.slideUp('slow', function() { dialog.overlay.fadeOut('slow', function() { $.modal.close(); // must call this! }); }); }); } }); }); $('#btnClose').click(function(e) { $.modal.close(); }); If I use <a hrf ="#" id="btnOpen">Open</a>, it works perfectly. If I replace the with an ASP.net Button, <asp:Button ID="btnOpen" runat="server" Text="Open" />, nothing happened... Any help please?

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  • AJAX Issue, Works in all browsers except IE

    - by Nik
    Alright, this code works in Chrome and FF, but not IE (which is to be expected). Does anyone see anything wrong with this code that would render it useless in IE? var waittime=400; chatmsg = document.getElementById("chatmsg"); room = document.getElementById("roomid").value; sessid = document.getElementById("sessid").value; chatmsg.focus() document.getElementById("chatwindow").innerHTML = "loading..."; document.getElementById("userwindow").innerHTML = "Loading User List..."; var xmlhttp = false; var xmlhttp2 = false; var xmlhttp3 = false; function ajax_read() { if(window.XMLHttpRequest){ xmlhttp=new XMLHttpRequest(); if(xmlhttp.overrideMimeType){ xmlhttp.overrideMimeType('text/xml'); } } else if(window.ActiveXObject){ try{ xmlhttp=new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try{ xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } catch(e){ } } } if(!xmlhttp) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState==4) { document.getElementById("chatwindow").innerHTML = xmlhttp.responseText; setTimeout("ajax_read()", waittime); } } xmlhttp.open('GET','methods.php?method=r&room=' + room +'',true); xmlhttp.send(null); } function user_read() { if(window.XMLHttpRequest){ xmlhttp3=new XMLHttpRequest(); if(xmlhttp3.overrideMimeType){ xmlhttp3.overrideMimeType('text/xml'); } } else if(window.ActiveXObject){ try{ xmlhttp3=new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try{ xmlhttp3=new ActiveXObject("Microsoft.XMLHTTP"); } catch(e){ } } } if(!xmlhttp3) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } xmlhttp3.onreadystatechange = function() { if (xmlhttp3.readyState==4) { document.getElementById("userwindow").innerHTML = xmlhttp3.responseText; setTimeout("user_read()", 10000); } } xmlhttp3.open('GET','methods.php?method=u&room=' + room +'',true); xmlhttp3.send(null); } function ajax_write(url){ if(window.XMLHttpRequest){ xmlhttp2=new XMLHttpRequest(); if(xmlhttp2.overrideMimeType){ xmlhttp2.overrideMimeType('text/xml'); } } else if(window.ActiveXObject){ try{ xmlhttp2=new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try{ xmlhttp2=new ActiveXObject("Microsoft.XMLHTTP"); } catch(e){ } } } if(!xmlhttp2) { alert('Giving up :( Cannot create an XMLHTTP instance'); return false; } xmlhttp2.open('GET',url,true); xmlhttp2.send(null); } function submit_msg(){ nick = document.getElementById("chatnick").value; msg = document.getElementById("chatmsg").value; document.getElementById("chatmsg").value = ""; ajax_write("methods.php?method=w&m=" + msg + "&n=" + nick + "&room=" + room + "&sessid=" + sessid + ""); } function keyup(arg1) { if (arg1 == 13) submit_msg(); } var intUpdate = setTimeout("ajax_read()", waittime); var intUpdate = setTimeout("user_read()", 0);

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  • when i download file from my website which contains grid and in one of the column of grid there is d

    - by SmartDev
    Hi, I have page called filedownload.aspx , it contains grid and in grid they are three columns and in one of the column there is button which says Download , when user clicks on that button it picks file id and gives the download box to user with three options Open save and cancel . Now the problem is that when user clicks on the download button in grid it gives this ERROR: INTERNET EXPLORER CANNOT DOWNLOAD FILEDOWNLOAD.ASPX FROM ABC.XYZ.COM (MY URL EXAMPLE) INTERNET EXPLORER WAS NOT ABLE TO OPEN THIS SITE .THE REQUEST SITE IS EITHER UNAVAILABLE OR CANNOT BE FOUND . ONE MORE THING IS THT RECENTLY WE IMPLEMENTED SSL AND FROM HTTP WE MOVE TO HTTPS WITH NAME CHANGE IN URL ALSO BFEORE IT WAS AND NOW ITS . NOW WHEN I CHANGE THE URL TO OLD ONE THE PAGE IS WORKING FINE . CAN ANYONE HELP ME ON THIS ? THANKS, SMARTDEV

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  • Cost-effective .Net solutions for report generation in Excel and PDF

    - by jamesaharvey
    I'm looking for some cost-effective solutions and/or open source options for generating reports in Excel and PDF format. I realize some of the open source options may have less in terms of functionality and flexibility than the COTS versions with all the bells and whistles, but are there any options out there that fall somewhere in between? EDIT: Essentially what I'll have are just some basic HTML reports of data in tables with some calculations/summary data but nothing fancy like graphs, etc. I'll then need the ability to export these HTML reports to Excel and/or PDF.

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  • Delphi - How can I prevent the main form capturing keystrokes in a TMemo on another non-modal form?

    - by user89691
    I have an app that opens a non-modal form from the main form. The non-modal form has a TMemo on it. The main form menu uses "space" as one of its accelerator characters. When the non-modal form is open and the memo has focus, every time I try to enter a space into the memo on the non-modal form, the main form event for the "space" shortcut fires! I have tried turning MainForm.KeyPreview := false while the other form is open but no dice. Any ideas? TIA

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  • Compatibility of x-www-browser

    - by rohit.arondekar
    I want to open html files from a shell script. I know that Ubuntu has a command x-www-browser that will open the default browser on the system. I also found via some Googling that the command is part of the debian system. I was wondering if the command is available on non debian based distros. If it isn't is there a standard way of opening an html file in the default browser on a linux OS via command line? Note that I'm using Bash.

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  • Browser tabs creates multuple instances of a sidebar for each tabs. I want only one sidebar for all

    - by BHOdevelopper
    I have a sidebar (iframe). The problem is, if you open a second tab (in the same browser) it creates a new instance of the same sidebar. That means i have now 2 sidebars. In exemple, if i close the sidebar in the first tab, i would like to have it closed in the second tab as well. Is it possible to have only one instance of a sidebar in a browser, so that even if i open a new tab, the sidebar is not affected. (the goal is to interact with evey pages we visit with one sidebar. If anyone need precisions, please ask. I'll be checking for responses every single days.

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  • Search for a String and replace it with a variable

    - by chrissygormley
    Hello, I am trying to use regular expression to search a document fo a UUID number and replace the end of it with a new number. The code I have so far is: read_file = open('test.txt', 'r+') write_file = open('test.txt', 'w') r = re.compile(r'(self.uid\s*=\s*5EFF837F-EFC2-4c32-A3D4\s*)(\S+)') for l in read_file: m1 = r.match(l) if m1: new=(str,m1.group(2)) new?????? This where I get stuck. The file test.txt has the below UUID stored in it: self.uid = '5EFF837F-EFC2-4c32-A3D4-D15C7F9E1F22' I want to replace the part D15C7F9E1F22. I have also tried this: r = re.compile(r'(self.uid\s*=\s*)(\S+)') for l in fp: m1 = r.match(l) new=map(int,m1.group(2).split("-") new[4]='RHUI5345JO' But I cannot seem to match the string. Thanks in advance for any help.

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  • Unable to connect to sql database only from asp

    - by Brian
    In a VB6 program: Dim conn As Object Set conn = CreateObject("ADODB.Connection") conn.Open "DRIVER={SQL Server}; Server=(local)\aaa; Database=bbb; UID=ccc; PWD=ddd" In an ASP program: Sub ProcessSqlServer(conn) Set conn = Server.CreateObject("ADODB.Connection") conn.Open "DRIVER={SQL Server}; Server=(local)\aaa; Database=bbb; UID=ccc; PWD=ddd" The VB6 program works, the ASP program does not (see error below). I tried checking the event log for errors, but found nothing. Or more precisely, I did find local an activation permission error, but this was fixed once I added local launch/activation permission for Network Service to the Machine Debug Manager via the component services tool. Error: Microsoft OLE DB Provider for ODBC Drivers error '80004005' [Microsoft][ODBC SQL Server Driver]Timeout expired

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