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  • Second monitor sometimes will not wake up

    - by peacedog
    My workstation has two monitors and Windows 7 (64bit). Sometimes when I lock my computer and later return and unlock it, the second monitor won't wake up. I have to turn that monitor off and on to get the picture back. They are identical monitors. The "#2" monitor is set as the main display, if that matters. I glanced at the power saving settings but didn't see anything noteworthy, and I'm not sure what I would be looking for (or if that is the right place to look) in the first place. It's not the end of the world but it is annoying. Help?

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  • Firefox - order of search engines reverts (toolbar)

    - by Victor78
    When I change the order of the search engines (Toolbar - Manage Search Engines - Move up / down - Ok) it changes the order, until I close and reopen the browser. I can't imagine that's the way it's supposed to work. I want it to stay in the order I select. I have no add-ons installed that have anything to do with search engines, nor that add any toolbars. I am not using a customized theme. Apparently this problem is rare, as Googling [ "manage search engine list" ("order reverts" OR "order changes") ] return 0 results. Firefox 3.6.12; Windows XP Pro SP3.

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  • Excel VLOOKUP using results from a formula as the lookup value [on hold]

    - by Rick Deemer
    I have a cell that I must remove the first 2 characters "RO" for each value in a column on a sheet called RAW DATA and put into a cell on a sheet called ROSS DATA. Some of the values in that cell have 3 digits after the "RO", and some have 5 digits. To do that I used =REPLACE('RAW DATA'!A3,1,2,"") Then I need to use this new resultant string as the lookup value in a VLOOKUP. The VLOOKUP will be looking at a named range called DAP on a sheet called DAP, in column 5 for an exact match, and I need it to return that value to the cell. I have tried using INDIRECT in different ways to no avail, and I'm not sure that I fully understand its usage. So at this point I am Googling for a method to do this and at a standstill.

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  • Postfix does not get external emails

    - by Marks
    Hi there. I have a small vserver(ubuntu), on which i want to run mailman and therefore have to configure postfix. I already configured postfix to send mail per relay over gmail (server-ext.). I also receive local emails (server-server), but i dont get emails from ext. (ext. - server). I have a domain routed to the vserver. But when i send an email from external (e.g. from gmail) to [email protected] i don't get it into the inbox. But there is also no error return message i get to my gmail account. What could be a possible problem? Do i have to configure email revieving from external somewhere? Thanks for any help.

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  • Is it possible to have a cell in table1 "point to" a cell in table2?

    - by Lewray
    I have a hierarchical structure in a database driven software application. Each row in parentTable 'owns' a number of rows in childTable. If the childTable does not have a value set in columnA then it should return the value specified in the appropriate row of parentTable columnB. Is it possible to implement a pointer or cell reference somehow so that I do not have to copy values from parent to child. (A change in parent could result in a large number of changes in child). If this is not possible, could anyone suggest a different approach?

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  • Firefox - built in search engine toolbar broken

    - by Victor78
    When I change the order of the search engines (Toolbar - Manage Search Engines - Move up / down - Ok) it changes the order, until I close and reopen the browser. I can't imagine that's the way it's supposed to work. I want it to stay in the order I select. I have no add-ons installed that have anything to do with search engines, nor that add any toolbars. I am not using a customized theme. Apparently this problem is rare, as Googling [ "manage search engine list" ("order reverts" OR "order changes") ] return 0 results. Firefox 3.6.12; Windows XP Pro SP3.

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  • Schedule robocopy run

    - by xeonet
    I have Windows Server 2008 Enterprise. I need to copy files from network folder, I connected as a Z: drive. I need to schedule the copy. In scheduler I run it every 5 minutes. robocopy.exe Z:\ C:\destination /E I've tried to put it to .bat file, tried to write in scheduler, it doesn't help. I've set run with highest privilegies... Task Scheduler successfully completed task "\RoboCopy" , instance "{dd2d2d1c-4ef1-4e30-b226-4a77aa52dab9}" , action "C:\Windows\SYSTEM32\cmd.exe" with return code 16.

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  • Redirect URL to a Tomcat webapp

    - by phs
    I have a Tomcat server with two webapps, app1 and app2 (the app part is really the same). Each app has an independent group of users. I would like the groups to be able to access their respective app using group1.domain.com/app and group2.domain.com/app URLs, meaning that the numbers should be hidden from the URL displayed in browser. I suppose there needs to be a mechanism that would return the correct app based on the group# part of the URL. I have a vague understanding of URL rewrites. Is there a way to do this with only Tomcat? Or do I need Apache HTTP server? I would rather not use Apache if possible, but have no problem going that way if necessary.

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  • Is there a way to diagnose a tar file when, on extract, files are missing but no errors are given?

    - by ljvillanueva
    I have tar files where I archive about 250 files, each about 80 Mb, without compression. In a few cases tar is only returning some of the files. For example, when doing an extract of the file using: tar -xvf 356.tar I got only 103 files, when it should return 255 files, but tar does not give me an error. Furthermore, the tar archive is 15.8 Gb while the extracted folder is just 6.4 Gb. The tar files were created using tar -cvf 356.tar 356 where 356 is the name of the folder. All the steps where done in the same machines, under Ubuntu 6 and newer. Any ideas if there is a way to recover the files that are not being extracted?

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  • Redirect all ports to my server in a simple way

    - by Dorian
    I have a server with SSH access (on port 22 and 443). My ISP block everything except ports 80 and 443. I there a simple way to make everything go to my server (via SSH) then return the response via the same SSH connection, but in a way I can use all the ports in my client. Like : Me ? SSH connection ? My server ? request ? Server ? My server ? Me It's like a VPN but I don't have any port available for a VPN (443 is already taken by SSH).

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  • Check SSD stability before returning it as broken?

    - by data_jepp
    I have the Transcend SSD 720 256GB 2,5" 7mm disk. And randomly I get disk IO in utorrent and large files copying to external will fail. I have removed it from my laptop since I need max stability. I use my laptop on exams. How can I really bench/make-it-sweat whilst connected to my desktop? I want to re-create some of the fails as I need proof if I am to return it. Firmware is updated. BIOS on laptop is updated. I could just completely nul the disk and then check for bad sectors, but is there anything else I could use for testing? Edit: It has 7 bad sector replacement operations. What does it mean?

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  • Cannot access https sites through any browser on Win XP?

    - by mooep
    This isnt a firewall issue, I can telnet to gmail with no problems, but all browsers (chrome, IE, firefox) return a This web page is not available. error when tring to access it through the browser. I can access the same pages, using the same browsers, on the same machine, but through a different user account with no problem. What the hell is going on? Help appreciated. Edit: This is definitely a windows setup issue - I have just created a new admin account and can access https with problems. This is seriously infuriating.

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  • Vim: Bind <C-Enter>

    - by mtkoan
    Using vim for editing latex; how can I bind C-Enter? I tried the following, which does not work: imap <C-Enter> \\<CR> and imap <C-Return> \\<CR> However, something like: imap <C-i> \\<CR> Does work. Any ideas are suggestions for vim latex-addons?

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  • What is the name for a DNS record starting with @? [closed]

    - by dunxd
    Possible Duplicate: What's the meaning of '@' in a DNS zone file? I know that DNS records starting with * are called Wildcard records. What is the name for DNS record starting with @ (the at symbol). This is a record for the root domain (e.g. just example.com, not www.example.com) I want to find out more, but searching for "@ record dns" in Google doesn't return any useful results. What is the correct terminology for this type of record, and where might I find it described in more detail? RFC 1035 describes the use of @ in a DNS record, but doesn't go as far as giving it a name.

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  • What's wrong in this code block? (PHP)

    - by jackoder
    $domainName = "http://www.snipt.org" ; function DomainCheckk($domainName){ $startTime = microtime(true); $openDomain = fsockopen ($domainName, 80, $errno, $errstr, 10); $finishTime = microtime(true); $serverStatus = 0; if (!$openDomain) $serverStatus = -1; else { fclose($openDomain); $status = ($finishTime - $startTime) * 1000; $serverStatus = floor($serverStatus); } return $serverStatus; } $serverStatus = DomainCheck($domainName); Results... if ($serverStatus != -1) { echo "Server is seemed off" ; } else { echo "Server is running well" ; } ? Thanks for your kind help. I want to suggest to take a look for rest for a while; iki kisilik oyunlar site. I'm really thank you for your helps from now on. Regards.

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  • All Webcams (integrated or otherwise) have stopped working

    - by cgoddard
    Recently, like in the last few months (incidentally, I didn't notice it at first, but I think it might have coincided with the installation of libusb) all webcams have stopped working on my laptop. But, its not a driver error or anything like that, the webcam claims it is working, but when I try to use it in skype, it tells me that it thinks another program is using my webcam. However, I have tried going through every program and closing it until system crash, but it never becomes available. But the light on the side of the inbuilt webcam doesn't come on. And when I added a second webcam, it became available to the system, installed fine, return error 0 on the devices manager, and when I tried to use it, claimed it was in use. How can I find out what might have gone wrong to be causing the system to think that the webcams are constantly in use?

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  • Unable to load directory when using jar [on hold]

    - by user1630359
    I've a directory in my eclipse project, in build path which contains files (txt). Now, when i run the application from eclipse, i can read the files (using #1 below). but, when i export my application to jar and run it from other pc i can't read the files or even check whether the directory exist or not. All the below lines are always return NULL! 1. File dir = new File("files"); 2. File dir = this.getClass().getResourceAsStream("files"); 3. File dir = this.getClass().getClassLoader().getResource("files"); any assistance will be appreciated! Thanks!

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  • Why are Google search results not working for me? Does it have to do with otnggrneohai? [closed]

    - by shaahin
    Possible Duplicate: What to do if my computer is infected by a virus or a malware? I can't use Google search results right now. The actual searches return results that look valid, but whenever I click on a link, I'm redirected to strange sites. I believe I'm being affected by a virus that has something to do with the string "otnggrneohai." I was running Windows 7 Home with Microsoft Security Essentials, but Microsoft Security Essentials has been deleted. I did not delete it myself. Here is the screen shot, I did a search test in google videos:

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  • RDC stops working after a period of time.

    - by xjerx
    I have a workstation with RDC configured for the employee. When they leave at the end of their day they lock the pc (windows key + l). They go home connect to our VPN and log back in. Everything works fine. The following morning they will attempt to log in before they return to the office. The computer does not respond to the RDC request. I've found that it becomes completely inactive to any ICMP requests. Once the user reboots the computer everything works fine again. I'm going to turn off RDC, reboot, turn RDC back on and reboot again to see if it fixes the problem. Until then does anyone have any other ideas?

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  • How to Edit or Add a New Row in jqGrid

    - by Paul
    My jqGrid that does a great job of pulling data from my database, but I'm having trouble understanding how the Add New Row functionality works. Right now, I'm able to edit inline data, but I'm not able to create a new row using the Modal Box. I'm missing that extra logic that says, "If this is a new row, post this to the server side URL" instead of modifying existing data. (Right now, hitting Submit only clears the form and reloads the grid data.) The documentation states that Add New Row is: jQuery("#editgrid").jqGrid('editGridRow',"new",{height:280,reloadAfterSubmit:false}); but I'm not sure how to use that correctly. I've spent alot of time studying the Demos, but they seem to all use an external button to fire the new row command, rather than using the Modal Form, which I want to do. My complete code is here: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jqGrid</title> <link rel="stylesheet" type="text/css" media="screen" href="../css/ui-lightness/jquery-ui-1.7.2.custom.css" /> <link rel="stylesheet" type="text/css" media="screen" href="../css/ui.jqgrid.css" /> <script src="jquery-1.3.2.min.js" type="text/javascript"></script> <script src="../js/i18n/grid.locale-en.js" type="text/javascript"></script> <script src="jquery.jqGrid.min.js" type="text/javascript"></script> </head> <body> <h2>My Grid Data</h2> <table id="list" class="scroll"></table> <div id="pager" class="scroll c1"></div> <script type="text/javascript"> var lastSelectedId; jQuery('#list').jqGrid({ url:'grid.php', datatype: 'json', mtype: 'POST', colNames:['ID','Name', 'Price', 'Promotion'], colModel:[ {name:'product_id',index:'product_id', width:25,editable:false}, {name:'name',index:'name', width:50,editable:true, edittype:'text',editoptions:{size:30,maxlength:50}}, {name:'price',index:'price', width:50, align:'right',formatter:'currency', editable:true}, {name:'on_promotion',index:'on_promotion', width:50, formatter:'checkbox',editable:true, edittype:'checkbox'}], rowNum:10, rowList:[5,10,20,30], pager: $('#pager'), sortname: 'product_id', viewrecords: true, sortorder: "desc", caption:"Database", width:500, height:150, onSelectRow: function(id){ if(id && id!==lastSelectedId){ $('#list').restoreRow(lastSelectedId); $('#list').editRow(id,true,null,onSaveSuccess); lastSelectedId=id; }}, editurl:'grid.php?action=save'}) .jqGrid('navGrid','#pager', {refreshicon: 'ui-icon-refresh',view:true}, {height:280,reloadAfterSubmit:true}, {height:280,reloadAfterSubmit:true}, {reloadAfterSubmit:true}) .jqGrid('editGridRow',"new",{height:280,reloadAfterSubmit:false}); function onSaveSuccess(xhr) {response = xhr.responseText; if(response == 1) return true; return false;} </script></body></html> If it makes it easier, I'd be willing to scrap the inline editing functionality and do editing and posting via modal boxes. Any help would be greatly appreciated.

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  • C# SOCKS proxy service for HTTP requests

    - by Ed
    I'm trying to build a service that will forward HTTP requests from agents like a browser to the Tor service. Problem is, the Tor service only accepts SOCKS4a connections. So my solution is to listen for HTTP requests, get the URL they're requesting, and make a request via Tor with the help of the Starksoft.Net.Proxy library. Then return the response. The library kind of works, but I'm not happy. It returns HTTP headers with the response and it can't handle images. So the responses are messed up. How could I improve my code? I'm very new to network programming. Sorry for the long example. public AnonymiserService(ILogger logger) { try { _logger = logger; _logger.Log("Listening on port {0}...", Properties.Settings.Default.ListeningPort); StartListener(new string[] { string.Format("http://*:{0}/", Properties.Settings.Default.ListeningPort) }); } catch (Exception ex) { _logger.LogError("Exception!", ex); } } private void StartListener(string[] prefixes) { if (!HttpListener.IsSupported) { _logger.LogError("HttpListener isn't supported on this machine!"); return; } HttpListener listener = new HttpListener(); foreach (string s in prefixes) listener.Prefixes.Add(s); while (true) { listener.Start(); IAsyncResult result = listener.BeginGetContext(new AsyncCallback(ListenerCallback), listener); result.AsyncWaitHandle.WaitOne(); } } private void ListenerCallback(IAsyncResult result) { try { // Get HTTP request HttpListener listener = (HttpListener)result.AsyncState; HttpListenerContext context = listener.EndGetContext(result); _logger.Log("Retrieving [{0}]", context.Request.RawUrl); // Create connection // Use Tor as proxy IProxyClient proxyClient = new Socks4aProxyClient("localhost", 9050); TcpClient tcpClient = proxyClient.CreateConnection(context.Request.UserHostName, 80); // Create message // Need to set Connection: close to close the connection as soon as it's done byte[] data = Encoding.UTF8.GetBytes(String.Format("GET {0} HTTP/1.1\r\nHost: {1}\r\nConnection: close\r\n\r\n", context.Request.Url.PathAndQuery, context.Request.UserHostName)); // Send message NetworkStream ns = tcpClient.GetStream(); ns.Write(data, 0, data.Length); // Pass on HTTP response HttpListenerResponse responseOut = context.Response; if (ns.CanRead) { byte[] buffer = new byte[32768]; int read = 0; string responseString = string.Empty; // Read response while ((read = ns.Read(buffer, 0, buffer.Length)) > 0) { responseString += Encoding.UTF8.GetString(buffer, 0, read); } // Remove headers if (responseString.IndexOf("HTTP/1.1 200 OK") > -1) responseString = responseString.Substring(responseString.IndexOf("\r\n\r\n")); // Forward response byte[] byteArray = Encoding.UTF8.GetBytes(responseString); responseOut.OutputStream.Write(byteArray, 0, byteArray.Length); } // Close streams responseOut.OutputStream.Close(); ns.Close(); // Close connection tcpClient.Close(); _logger.Log("Retrieved [{0}]", context.Request.RawUrl); } catch (Exception ex) { _logger.LogError("Exception in ListenerCallback!", ex); } }

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  • WCF on Windows Phone 7 (Silverlight 4)

    - by Igor Zevaka
    Has anyone been able to communicate using WCF on Windows Phone Series 7 emulator? I've been trying for the past two days and it's just happening for me. I can get a normal Silverlight control to work in both Silverlight 3 and Silverlight 4, but not the phone version. Here are two versions that I've tried: Version 1 - Using Async Pattern BasicHttpBinding basicHttpBinding = new BasicHttpBinding(); EndpointAddress endpointAddress = new EndpointAddress("http://localhost/wcf/Authentication.svc"); Wcf.IAuthentication auth1 = new ChannelFactory<Wcf.IAuthentication>(basicHttpBinding, endpointAddress).CreateChannel(endpointAddress); AsyncCallback callback = (result) => { Action<string> write = (str) => { this.Dispatcher.BeginInvoke(delegate { //Display something }); }; try { Wcf.IAuthentication auth = result.AsyncState as Wcf.IAuthentication; Wcf.AuthenticationResponse response = auth.EndLogin(result); write(response.Success.ToString()); } catch (Exception ex) { write(ex.Message); System.Diagnostics.Debug.WriteLine(ex.Message); } }; auth1.BeginLogin("user0", "test0", callback, auth1); This version breaks on this line: Wcf.IAuthentication auth1 = new ChannelFactory<Wcf.IAuthentication>(basicHttpBinding, endpointAddress).CreateChannel(endpointAddress); Throwing System.NotSupportedException. The exception is not very descriptive and the callstack is equally not very helpful: at System.ServiceModel.DiagnosticUtility.ExceptionUtility.BuildMessage(Exception x) at System.ServiceModel.DiagnosticUtility.ExceptionUtility.LogException(Exception x) at System.ServiceModel.DiagnosticUtility.ExceptionUtility.ThrowHelperError(Exception e) at System.ServiceModel.ChannelFactory`1.CreateChannel(EndpointAddress address) at WindowsPhoneApplication2.MainPage.DoLogin() .... Version 2 - Blocking WCF call Here is the version that doesn't use the async pattern. [System.ServiceModel.ServiceContract] public interface IAuthentication { [System.ServiceModel.OperationContract] AuthenticationResponse Login(string user, string password); } public class WcfClientBase<TChannel> : System.ServiceModel.ClientBase<TChannel> where TChannel : class { public WcfClientBase(string name, bool streaming) : base(GetBinding(streaming), GetEndpoint(name)) { ClientCredentials.UserName.UserName = WcfConfig.UserName; ClientCredentials.UserName.Password = WcfConfig.Password; } public WcfClientBase(string name) : this(name, false) {} private static System.ServiceModel.Channels.Binding GetBinding(bool streaming) { System.ServiceModel.BasicHttpBinding binding = new System.ServiceModel.BasicHttpBinding(); binding.MaxReceivedMessageSize = 1073741824; if(streaming) { //binding.TransferMode = System.ServiceModel.TransferMode.Streamed; } /*if(XXXURLXXX.StartsWith("https")) { binding.Security.Mode = BasicHttpSecurityMode.Transport; binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.None; }*/ return binding; } private static System.ServiceModel.EndpointAddress GetEndpoint(string name) { return new System.ServiceModel.EndpointAddress(WcfConfig.Endpoint + name + ".svc"); } protected override TChannel CreateChannel() { throw new System.NotImplementedException(); } } auth.Login("test0", "password0"); This version crashes in System.ServiceModel.ClientBase<TChannel> constructor. The call stack is a bit different: at System.Reflection.MethodInfo.get_ReturnParameter() at System.ServiceModel.Description.ServiceReflector.HasNoDisposableParameters(MethodInfo methodInfo) at System.ServiceModel.Description.TypeLoader.CreateOperationDescription(ContractDescription contractDescription, MethodInfo methodInfo, MessageDirection direction, ContractReflectionInfo reflectionInfo, ContractDescription declaringContract) at System.ServiceModel.Description.TypeLoader.CreateOperationDescriptions(ContractDescription contractDescription, ContractReflectionInfo reflectionInfo, Type contractToGetMethodsFrom, ContractDescription declaringContract, MessageDirection direction) at System.ServiceModel.Description.TypeLoader.CreateContractDescription(ServiceContractAttribute contractAttr, Type contractType, Type serviceType, ContractReflectionInfo& reflectionInfo, Object serviceImplementation) at System.ServiceModel.Description.TypeLoader.LoadContractDescriptionHelper(Type contractType, Type serviceType, Object serviceImplementation) at System.ServiceModel.Description.TypeLoader.LoadContractDescription(Type contractType) at System.ServiceModel.ChannelFactory1.CreateDescription() at System.ServiceModel.ChannelFactory.InitializeEndpoint(Binding binding, EndpointAddress address) at System.ServiceModel.ChannelFactory1..ctor(Binding binding, EndpointAddress remoteAddress) at System.ServiceModel.ClientBase1..ctor(Binding binding, EndpointAddress remoteAddress) at Wcf.WcfClientBase1..ctor(String name, Boolean streaming) at Wcf.WcfClientBase`1..ctor(String name) at Wcf.AuthenticationClient..ctor() at WindowsPhoneApplication2.MainPage.DoLogin() ... Any ideas?

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  • RedirectToAction help: or better suggestion

    - by Dean Lunz
    Still getting my feet wet with asp.net mvc. I have a working Action and httppost action but I want to replace the "iffy" code with a RedirectToAction call because the code is rather large for what it does. A call using RedirectToAction would clean it up more. Every way I've tried it fails to work for me in that the drop down list fails to have the proper item selected. The code below works fine but calling RedirectToAction the was I have been does not work for me. So how can i rework the code below to use RedirectToAction ? I find this line of code particularly troubling because there is no garentee that the "this.Url.RequestContext.RouteData.Route" property will be of type "System.Web.Routing.Route". // get url request var urlValue = "/" + ((System.Web.Routing.Route)(this.Url.RequestContext.RouteData.Route)).Url; I also find the second piece of code rather bloated ... // build the url template urlValue = urlValue.Replace("{realm}", realm); urlValue = urlValue.Replace("{guild}", guild); urlValue = urlValue.Replace("{date}", date.ToShortDateString().Replace("/", "-")); urlValue = urlValue.Replace("{pageIndex}", pageIndex.ToString()); urlValue = urlValue.Replace("{itemCount}", itemCountToDisplay.ToString()); The route I have setup is routes.MapRoute( "GuildOverview Realm", // Route name "GuildMembers/{realm}/{guild}/{date}/{pageIndex}/{itemCount}", // URL with parameters new { controller = "GuildMembers", action = "Index" }); // Parameter defaults The code for my controller actions is below ... [HttpPost] public ActionResult Index(string realm, string guild, DateTime date, int pageIndex, int itemCount, FormCollection formCollection) { // get form data if it's there and try parse num items to display var cnt = this.Request.Form["ddlDisplayCount"]; int itemCountToDisplay = 10; if (!string.IsNullOrEmpty(cnt)) int.TryParse(cnt, out itemCountToDisplay); // get url request var urlValue = "/" + ((System.Web.Routing.Route)(this.Url.RequestContext.RouteData.Route)).Url; // build the url template urlValue = urlValue.Replace("{realm}", realm); urlValue = urlValue.Replace("{guild}", guild); urlValue = urlValue.Replace("{date}", date.ToShortDateString().Replace("/", "-")); urlValue = urlValue.Replace("{pageIndex}", pageIndex.ToString()); urlValue = urlValue.Replace("{itemCount}", itemCountToDisplay.ToString()); return this.Redirect(urlValue); } public ActionResult Index(string realm, string guild, DateTime date, int pageIndex, int itemCount) { // get the page index ViewData["pageIndex"] = pageIndex; // validate item count var pageItemCountItems = new[] { 10, 20, 50, 100 }; if (!pageItemCountItems.Contains(itemCount)) itemCount = pageItemCountItems[0]; // calc the number of pages there are var numPages = (this._repository.GetGuildMemberCount(date, realm, guild) / itemCount) + 1; this.ViewData["pageCount"] = numPages; // get url request var urlValue = "/" + ((System.Web.Routing.Route)(this.Url.RequestContext.RouteData.Route)).Url; // build the url template urlValue = urlValue.Replace("{realm}", realm); urlValue = urlValue.Replace("{guild}", guild); urlValue = urlValue.Replace("{date}", date.ToShortDateString().Replace("/", "-")); urlValue = urlValue.Replace("{pageIndex}", "{0}"); urlValue = urlValue.Replace("{itemCount}", itemCount.ToString()); // set url template ViewData["UrlTemplate"] = urlValue; // set list of items for the display count dropdown var itemCounts = new SelectList(pageItemCountItems, itemCount); ViewData["DisplayCount"] = itemCounts; return View(_repository.GetGuildCharacters(date, realm, guild, (pageIndex - 1) * itemCount, itemCount)); } and my Index view contains the fallowing <%=Html.SimplePager(int.Parse(ViewData["pageIndex"].ToString()), int.Parse(ViewData["pageCount"].ToString()), ViewData["urlTemplate"].ToString(), "nav-menu")%> <% using (Html.BeginForm()) { %> <%= Html.DropDownList("ddlDisplayCount", (SelectList)ViewData["DisplayCount"], new { onchange = "this.form.submit();" })%> <% }%>

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  • Error Installing COM+ (Error Code: 80131501)

    - by Regina Foo
    I've written a class library that reads from an xml file and return the result as a string. But when I want to install it as a COM+ component, an error occurred (Error Code: 80131501). I checked the event log and the details of the error is: Installation of 'C:\Users\User\Documents\Visual Studio 2005\Projects\InteropSOA\InteropSOA\bin\Debug\InteropSOA.dll' into '{28E82165-AD74-4E16-90C9-0C5CE7DA97AA}' failed with an exception: System.EnterpriseServices.RegistrationException: FATAL: Could not find component 'InteropSOA.ConfigReader' we just installed. at System.EnterpriseServices.RegistrationDriver.InstallAssembly(RegistrationConfig regConfig, Object obSync) at System.EnterpriseServices.RegistrationHelper.InstallAssemblyFromConfig(RegistrationConfig& regConfig) at System.EnterpriseServices.RegistrationHelper.InstallAssembly(String assembly, String& application, String partition, String& tlb, InstallationFlags installFlags) at System.EnterpriseServices.Internal.ComManagedImportUtil.InstallAssembly(String asmpath, String parname, String appname) Below are the steps I've done while developing the class library: Added "System.EnterpriseServices" to Reference. Imported the reference to the class. Declared the class as "ServicedComponent". Set project properties ("Make assembly COM-visible" checked, "Register for COM Interop" checked, Signed the assembly with a strong key file name.) Here are my codes: using System; using System.Collections.Generic; using System.Text; using System.Xml; using System.Xml.XPath; using System.EnterpriseServices; namespace InteropSOA { public class ConfigReader : ServicedComponent { // xml file name private string strFileName; // type of request private string strRequest = ""; // response string private string strResponse = ""; // declarations for xPath private XPathDocument doc; private XPathNavigator nav; private XPathExpression expr; private XPathNodeIterator iterator; private XmlTextReader reader; private XmlDocument xmlDoc; public ConfigReader(string strFile, string request) { this.strFileName = strFile; this.strRequest = request; } public ConfigReader() { //default contructor } // reader for console program public void ReadXML() { doc = new XPathDocument(strFileName); nav = doc.CreateNavigator(); // compile xPath expression expr = nav.Compile("/Msg/" + strRequest + "/*"); iterator = nav.Select(expr); // interate on the node set try { while (iterator.MoveNext()) { XPathNavigator nav2 = iterator.Current.Clone(); strResponse += nav2.Value + "|"; } } catch (Exception ex) { Console.WriteLine(ex.Message); } strResponse = strResponse.Substring(0, strResponse.Length-1); Console.WriteLine("Response string = " + strResponse); } public void WriteXML(string strRequest, string strElement, string strValue) { reader = new XmlTextReader(strFileName); xmlDoc = new XmlDocument(); xmlDoc.Load(reader); reader.Close(); XmlNode node; XmlElement root = xmlDoc.DocumentElement; node = root.SelectSingleNode("/Msg/" + strRequest + "/" + strElement); node.InnerText = strValue; xmlDoc.Save(strFileName); } // reader for ASP.NET public string ReadXMLElement() { doc = new XPathDocument(strFileName); nav = doc.CreateNavigator(); // compile xPath expression expr = nav.Compile("/Msg/" + strRequest + "/*"); iterator = nav.Select(expr); // interate on the node set try { while (iterator.MoveNext()) { XPathNavigator nav2 = iterator.Current.Clone(); strResponse += nav2.Value + "|"; } } catch (Exception ex) { Console.WriteLine(ex.Message); } strResponse = strResponse.Substring(0, strResponse.Length - 1); return strResponse; } } }

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  • C# Bind DataTable to Existing DataGridView Column Definitions

    - by Timothy
    I've been struggling with a NullReferenceException and hope someone here will be able to point me in the right direction. I'm trying to create and populate a DataTable and then show the results in a DataGridView control. The basic code follows, and Execution stops with a NullReferenceException at the point where I invoke the new UpdateResults_Delegate. Oddly enough, I can trace entries.Rows.Count successfully before I return it from QueryEventEntries, so I can at least show 1) entries is not a null reference, and 2) the DataTable contains rows of data. I know I have to be doing something wrong, but I just don't know what. private void UpdateResults(DataTable entries) { dataGridView.DataSource = entries; } private void button_Click(object sender, EventArgs e) { PerformQuery(); } private void PerformQuery() { DateTime start = new DateTime(dateTimePicker1.Value.Year, dateTimePicker1.Value.Month, dateTimePicker1.Value.Day, 0, 0, 0); DateTime stop = new DateTime(dateTimePicker2.Value.Year, dateTimePicker2.Value.Month, dateTimePicker2.Value.Day, 0, 0, 0); DataTable entries = QueryEventEntries(start, stop); UpdateResults(entries); } private DataTable QueryEventEntries(DateTime start, DateTime stop) { DataTable entries = new DataTable(); entries.Columns.AddRange(new DataColumn[] { new DataColumn("event_type", typeof(Int32)), new DataColumn("event_time", typeof(DateTime)), new DataColumn("event_detail", typeof(String))}); using (SqlConnection conn = new SqlConnection(DSN)) { using (SqlDataAdapter adapter = new SqlDataAdapter( "SELECT event_type, event_time, event_detail FROM event_log " + "WHERE event_time >= @start AND event_time <= @stop", conn)) { adapter.SelectCommand.Parameters.AddRange(new Object[] { new SqlParameter("@start", start), new SqlParameter("@stop", stop)}); adapter.Fill(entries); } } return entries; } Update I'd like to summarize and provide some additional information I've learned from the discussion here and debugging efforts since I originally posted this question. I am refactoring old code that retrieved records from a database, collected those records as an array, and then later iterated through the array to populate a DataGridView row by row. Threading was originally implemented to compensate and keep the UI responsive during the unnecessary looping. I have since stripped out Thread/Invoke; everything now occurs on the same execution thread (thank you, Sam). I am attempting to replace the slow, unwieldy approach using a DataTable which I can fill with a DataAdapter, and assign to the DataGridView through it's DataSource property (above code updated). I've iterated through the entries DataTable's rows to verify the table contains the expected data before assigning it as the DataGridView's DataSource. foreach (DataRow row in entries.Rows) { System.Diagnostics.Trace.WriteLine( String.Format("{0} {1} {2}", row[0], row[1], row[2])); } One of the column of the DataGridView is a custom DataGridViewColumn to stylize the event_type value. I apologize I didn't mention this before in the original post but I wasn't aware it was important to my problem. I have converted this column temporarily to a standard DataGridViewTextBoxColumn control and am no longer experiencing the Exception. The fields in the DataTable are appended to the list of fields that have been pre-specified in Design view of the DataGridView. The records' values are being populated in these appended fields. When the run time attempts to render the cell a null value is provided (as the value that should be rendered is done so a couple columns over). In light of this, I am re-titling and re-tagging the question. I would still appreciate it if others who have experienced this can instruct me on how to go about binding the DataTable to the existing column definitions of the DataGridView.

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