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- Previous
  - 1
    - Help with WebHeaderCollection I need to download a file from a web server only if it has been modified since the last time it was downloaded. I am looking at using WebClient.DownloadFile. I see that I can set http headers using the Headers Property. I see that there is a header of If-Modified-Since that can be set using the WebHeaderCollection.Add method. What I don't know is 1) - How does this really work. By that I mean if I set the value in the header and then call the method, will it only download the file if it has been modified, or do I have to do some other sort of request and look at the modified time in the returned header and make my own decision about calling the DownloadFile method or not. 2) - What is the correct format to use to set the header? There is an Add(string) and an Add(string,string). Would it be done with Add("If-Modified-Since:date_time_string"), If so, what is the format of the date and time string? Thanks ------------------------------------------- Roy Chastain KMSystems, Inc. Tag: Class not registered Tag: 91851
  - 2
    - Transferring Files over the internet Hello, I am getting the following exception when a file that is over 26 megs large is half way transferred: system.io.ioexception: Unable to read data from the transport connection... system.net.sockets.socketexception: Unknow error (0X2746) at system.net.sockets.socket.beginreceive[byte[] butter, int32 offset, int32 size, socketFlags socketflags, asynccallback, callback, object state] at system.net.sockets.socket.beginreceive[byte[] butter, int32 offset, int32 size, socketFlags socketflags, asynccallback, callback, object state] end of inner excetion stack trace The exception is happening at line 9 1 Private Sub CopyData(ByVal FromStream As Stream, ByVal ToStream As Stream) 2 Dim intBytesRead As Integer 3 Dim Counter As Integer = 0 4 Const intSize As Integer = 1024 5 Dim bytes(intSize) As Byte 6 intBytesRead = FromStream.Read(bytes, 0, bytes.Length) 7 While intBytesRead > 0 8 ToStream.Write(bytes, 0, intBytesRead) 9 intBytesRead = FromStream.Read(bytes, 0, bytes.Length) 10 End While 12 End Sub The Call to the Sub is GetRequest.Method = "POST" System.IO.Directory.CreateDirectory(TransferFolder) Dim Myfs As New FileStream(CompleteName, FileMode.Create) CopyData(TheResponse.GetResponseStream(), Myfs) Myfs.Seek(0, SeekOrigin.Begin) Myfs.Close() The code is very similar at the web page that is sending the datastream The error code's description (found online is) Winsock Error: The remote host was unable to deliver a previously sent datagram and responded with a "Port Unreachable" ICMP packet. The application should close the socket as it is no longer usable How do I fix this problem? Any Suggestions will be greatly appreciated. Thanks, Chuck Tag: Class not registered Tag: 91850
  - 3
    - Processor Serial Number Hi people! Is there any way from code (VB or C#) to know the serial number of the CPU on my machine (or the machine on which an application is running)? Thanks for your help G Tag: Class not registered Tag: 91849
  - 4
    - How do I get hWnd in a .NET service with no UI? I have a 3rd party library that requires a non zero hWnd parameter as a parameter to one of it's functions. I need to ue this library in a Windows Service with no UI. What .NET class should I use to create a simple invisible window so I can pass it's hWnd to the 3rd party API? In the .NET Compact Framework, I would use an instance of the the MessageWindow class, but that class is not available except in the CF version. Do I have to call the Win32 APIs directly to create a hidden window in a service? Has anyone already wrapped this functionality and published it? Any suggestions? Thanks, Dave Tag: Class not registered Tag: 91848
  - 5
    - Diagnostics.Process get by name doesn't return command line argume I'm trying to get the command line arguments for some running processes. When I use "Process.GetProcessesByName", the command line arguments property is null (""). Does anyone know how to get this info?? Thanks, Steve Tag: Class not registered Tag: 91847
  - 6
    - https connection Hi, How can I open a connection to https server and send e file to it? Thanks Tag: Class not registered Tag: 91846
  - 7
    - How to change the machine.config file from command line Hello, does anyone knows how to change the machine.config file from command line or from a cmd script file? Greetings Ralf Tag: Class not registered Tag: 91844
  - 8
    - unconfigurated applications&framework version In the article "Side by Side Execution of the .NET Framework http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnnetdep/html/sidexsidenet.asp I read that Windows client applications without configuration file execute with the Framework that was used to build the application, provided that the framework is installed on the local system. When that version is not available. the CLR uses a later version of the framework. But which version will it use if there are 2 or more later versions installed? Tag: Class not registered Tag: 91832
  - 9
    - XML Serialization Weird Exception I was testing XML Serialization to assess if it fits my needs. I coded two methods, one dumping the XML serialized object to a file, and the other that recreates the object: static Graph Awake(string filename) { System.Xml.Serialization.XmlSerializer s = new System.Xml.Serialization.XmlSerializer(typeof(Graph)); System.IO.TextReader r = new System.IO.StreamReader(filename); object res = s.Deserialize(r); r.Close(); return (Graph) res; } static void Hibernate(string filename, Graph graph) { System.Xml.Serialization.XmlSerializer s = new System.Xml.Serialization.XmlSerializer(typeof(Graph)); System.IO.TextWriter w = new System.IO.StreamWriter(filename, false); s.Serialize(w, graph); w.Close(); } If I run those methods separately, they work fine. However, if I run Hibernate and then Awake, Awake throws an exception... Furthermore, if I command Hibernate to dump the XML data to a file other than the one Awake is going to read from, Awake fails again with the same error. Any ideas? Bug? Regards, Manuel. Tag: Class not registered Tag: 91831
  - 10
    - XML Serialization problems related to framework versions Hi all I get an exception when trying to deserialize a simple configuration file using XML Serialization. The very long stacktrace can be seen at the bottom of this message. I've see other messages related a similar error but none of the solutions suggested are valid in case :/ I have tracked the problem down to the compilation of the temporary DLL that handles the actual serialization. The following commandline (that is one single line) is executed by the framework when trying to deserialize my configuration: "c:\windows\microsoft.net\framework\v1.1.4322\csc.exe" /t:library /utf8output /R:"c:\windows\assembly\gac\system.xml\1.0.5000.0__b77a5c561934e089\system.xml.dll" /R:"c:\program files\MyApp\MyConfig.dll" /R:"c:\windows\microsoft.net\framework\v1.1.4322\mscorlib.dll" /out:"C:\DOCUME~1\User\LOCALS~1\Temp\i2_6axn4.dll" /debug- /optimize+ /w:1 "C:\DOCUME~1\User\LOCALS~1\Temp\i2_6axn4.0.cs" Note that it uses the .NET 1.1 compiler and core lib but references the .NET 1.0 XML assembly. The result is that the assembly isn't created and hence cannot be loaded. I've specifeid the required runtime version in the .config file to be .NET 1.1 without any improvements. The problems occur on a Windows XP test machine with both .NET 1.0 and 1.1. The application is built using VS.NET 2003 on a machine with only .NET 1.1. The user running the code on the test machine has administrative rights. I've have tried the XmlSerialization precompiler and it works without problems... Anyone have any ideas why this happens? Kind regards, Hakon Exception: System.Configuration.ConfigurationException: Unable to load configuration from the XML configuration file: 'C:\Program Files\MyApp\MyApp.exe.config'. This can be caused by a number of problems, but the most common problem is an incorrectly configured Updater configuration file. The most probable sources of error are: missing nodes, incorrect attribute names, white space within attributes or within elements, white space between elements in the same sub-node, badly formed xml, or xml that does not conform to the ConfigSchema.XSD. ---> System.Configuration.ConfigurationException: Exception in configuration section handler (C:\Program Files\MyApp\MyApp.exe.config line 16) ---> System.IO.FileNotFoundException: File or assembly name _zdvwu31.dll, or one of its dependencies, was not found. File name: "_zdvwu31.dll" at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Boolean isStringized, Evidence assemblySecurity, Boolean throwOnFileNotFound, Assembly locationHint, StackCrawlMark& stackMark) at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Boolean stringized, Evidence assemblySecurity, StackCrawlMark& stackMark) at System.Reflection.Assembly.Load(AssemblyName assemblyRef, Evidence assemblySecurity) at System.CodeDom.Compiler.CompilerResults.get_CompiledAssembly() at System.CodeDom.Compiler.CompilerResults.get_CompiledAssembly() at System.Xml.Serialization.Compiler.Compile() at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings) at System.Xml.Serialization.XmlSerializer..ctor(Type type, String defaultNamespace) at System.Xml.Serialization.XmlSerializer..ctor(Type type) at DSUpdater.UpdaterSectionHandler.System.Configuration.IConfigurationSectionHandler.Create(Object parent, Object configContext, XmlNode section) in C:\Projects\MyApp\MyApp\ConfigSectionHandler.cs:line 55 at System.Configuration.ConfigurationRecord.EvaluateRecursive(IConfigurationSectionHandler factory, Object config, String[] keys, Int32 iKey, XmlTextReader reader) === Pre-bind state information === LOG: Where-ref bind. Location = C:\DOCUME~1\User\LOCALS~1\Temp\_zdvwu31.dll LOG: Appbase = C:\Program Files\MyApp\ LOG: Initial PrivatePath = NULL Calling assembly : (Unknown). === LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind). LOG: Attempting download of new URL file:///C:/DOCUME~1/User/LOCALS~1/Temp/_zdvwu31.dll. --- End of inner exception stack trace --- at System.Configuration.ConfigurationRecord.EvaluateRecursive(IConfigurationSectionHandler factory, Object config, String[] keys, Int32 iKey, XmlTextReader reader) at System.Configuration.ConfigurationRecord.Evaluate(String configKey) at System.Configuration.ConfigurationRecord.ResolveConfig(String configKey) at System.Configuration.ConfigurationRecord.GetConfig(String configKey) at System.Configuration.DefaultConfigurationSystem.System.Configuration.IConfigurationSystem.GetConfig(String configKey) at System.Configuration.ConfigurationSettings.GetConfig(String sectionName) at DSUpdater.UpdaterConfiguration.Init() in C:\Projects\MyApp\MyApp\UpdaterConfiguration.cs:line 133 --- End of inner exception stack trace --- at DSUpdater.ApplicationUpdateManager..ctor() in C:\Projects\MyApp\DSUpdater\ApplicationUpdater.cs:line 98 at MyApp.Client.Services.SmartUpdateService.Initialize(Form form) in C:\Projects\MyApp\MyApp\Services\SmartUpdateService.cs:line 32 at MyApp.Client.MainForm.Handler_CheckForUpdates(Object sender, EventArgs e) in C:\Projects\MyApp\MyApp\MainForm.cs:line 570 at MyApp.Common.ActionHandler.ExecuteHandler(Object sender, EventArgs args) in C:\Projects\MyApp\MyCommon\General\ActionDispatcher.cs:line 252 at MyApp.Common.General.ActionDispatcher.Fire(String handlerName, Object sender, EventArgs args) in C:\Projects\MyApp\MyCommon\General\ActionDispatcher.cs:line 195 at MyApp.Client.MainForm.MainForm_Load(Object sender, EventArgs e) in C:\Projects\MyApp\MyApp\MainForm.cs:line 423 at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmShowWindow(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) Tag: Class not registered Tag: 91825
  - 11
    - Setup project of .Net Framework 1.1 and Mdac 2.7 I am currently working in VB.NET project which is a desktop application with Access as database. I had made a setup project of my application. I ran the same in another machine which had Win 2000 professional as OS and no .NET Framework installed. When I was running the setup I got an error saying : .Net Framework 1.1 not installed . Please install and then run your setup program. I did the same then there was another error Mdac 2.7 not installed so not database connectivity. I would like to know instead of running two different setups can I bundle the .NET Framework 1.1 setup and Mdac 2.7 setup along with my application setup. Please help me as Iam in the Alpha release of my project. Regards Tag: Class not registered Tag: 91821
  - 12
    - Posting using httpwebrequest Hi, Should the form submit button click event handler fire when posting to a aspx page using httpwebrequest. In my tests the load event fires when POSTing back but not the button click event handler. I first issue a GET, extract __VIEWSTATE and then POST back __VIEWSTATE and the form values. I am hoping to use this technique for a screen scraper but if I can't get the submit buttons click event handler to fire its no use. Thanks, Pazza Tag: Class not registered Tag: 91817
  - 13
    - Login for Hotmail Problems Not sure if this is the correct forum or not, if not, please advise. Have recently noticed that when I sign on to my hotmail account, I am directed to a screen asking me to type my password. It has the correct e-mail address listed and the box "Sign me in automatically." is checked, but the password field is blank. The other box ("Do not remember my e-mail address for future sign-in. (Select this when using a public computer.)") is not checked. If I simply click at the bottom on "get one now" I am told that "You Are Already Signed In". If I click on the "Return to Hotmail" link I go immediately to my hotmail account. How can I avoid taking these extra steps each time? If I am already signed in, then why can't I go directly to my hotmail account? Thank you in advance... Tag: Class not registered Tag: 91816
  - 14
    - C# com Object in ASP(Win2000) Error! Sorry,I'english is no skill. I created dll(com object) use C#, it used is right by win2003 but while i put to a win2000 computer occur error. (win2000 has installed .NET framework 1.1) my dll use strong name and use underside release (win2000): regasm /tlb:XAPP.tlb XAPP.dll gacutil /i XAPP.dll error msg: Microsoft VBScript error '800a03f6' 'End' /iisHelp/common/500-100.asp£¬ÐÐ242 mscorlib error '80070002' File or assembly name qjdwg8nm.dll, or one of its dependencies, was not found. DLL with one class (using a web reference for a soap interface). not use underside namespace is ok for ASP(win2000 or win2003) ..... using System.Xml.Serialization; ..... ..... XmlSerializer xs=new XmlSerializer(fo.GetType()); xs.Serialize(stm,fo); ..... Why? Tag: Class not registered Tag: 91811
  - 15
    - Secuirty patch ms05-004 There is a different "MS05-004" executable available for each version of .Net Framework. The patch relates to service pack level whereas the Windows folder structure shows the version number. Can you help identify which version of Framework would need which security patch: Patches available are: NDP1.0sp2 NDP1.0sp3 NDP1.1 NDP1.1sp1 Framework version installed are: V1.0.3705 V1.1.4322 If I have both versions installed on a given server, then would I need to apply two patches, one for each version? Any help will be appreciated. Thanks, Paul Tag: Class not registered Tag: 91809
  - 16
    - launch exe after install How can I launch an exe directly after the msi has been run without using a custom action? Tag: Class not registered Tag: 91802
  - 17
    - Adding function to Excel Hi, Using Add-In project, I can't find how to make my public functions available in Excel ? Thks for help. Tag: Class not registered Tag: 91796
  - 18
    - Error 1935 I received this message while reinstalling a program. I tried to reinstall framework 1.1 but it will not install. Help? Tag: Class not registered Tag: 91794
  - 19
    - what is best practises for sending out emails from .net? What are the best practises people have found for sending out emails with their web apps in .net? I've read a few places that talk about using the System.Web.Mail namespace. But I think that namespace requires an SMTP server does it not? And if it does, do people redirect the SmtpServer to their own email servers or to IIS SMTP service and have it use SmartHost to goto their email server, or just have IIS forward the emails on? I'm sorry if this has been covered before, I'm just getting into this now and would appreciate some ideas on what you guys/gals have found that worked. Thanks. Tag: Class not registered Tag: 91793
  - 20
    - problem registering some file extension in winXP shell Hi: I'm trying to register some file extension in the system (.abc). According the documentation the next example should be enough, but my result is that the icon of my application appears on the Windows explorer with the files, and the description too, and the files are associated with my application correctly, but int the "Open With" submenu, and in the dialog used to select applications, there is only an Icon, the name of the application does not appear. I also have realized that the problem appears only with a .net exe file. Even creating a new .txt file and renaming it to .exe, "Open With" shows the name of the "application", but if the command key is set to a path pointing to a .net exe file, only the icon is showed. what have I missed? According to the documentation (wich is not specific to .net applications): HKEY_CLASSES_ROOT .abc = MyApp.abc.1 MyApp.abc.1 = MyApp document DefaultIcon = "c:\MyApp.exe",0 shell open command = "c:\MyApp.exe" "%1" //CODE: string extension = ".abc"; string description = "MyApp document"; Microsoft.Win32.RegistryKey rkey = Microsoft.Win32.Registry.ClassesRoot; rkey.CreateSubKey ( extension ).SetValue("", "MyApp" + extension + ".1" ); rkey = rkey.CreateSubKey( "MyApp" + extension + ".1" ); rkey.SetValue( "", description ); rkey.CreateSubKey("DefaultIcon").SetValue("", "\"" + Application.ExecutablePath + "\",0"); rkey = rkey.CreateSubKey("shell"); rkey.CreateSubKey ( "open" ).CreateSubKey ( "command" ).SetValue ( "", "\"" + Application.ExecutablePath + "\" \"%1\""); Tag: Class not registered Tag: 91789
  - 21
    - .NET Framework 1.1 Configuration won't launch I get the following error when trying to launch the .NET Framework 1.1 Configuration Snap-in: Snap-in failed to initialize. Name:.Net Framework 1.1 Configuration CLSID:{1270E004-F895-42BE-8070-DF90D60CBB75} Clicking 'OK' on the message box allows the MMC to start, which displays the following message: Snap-in Creation Failed. The snap-in is not created, it may not be installed properly. If I open an MMC console and try to manually add the .NET Framework 1.1 Configuration snap-in, the MMC hangs when I select the snap-in from the list of Available Standalone Snap-ins and click "Add". The MMC must be killed with Task Manager. I'm running Windows XP SP2. It's a new Dell Optiplex that came preconfigured with .NET Framework 1.1 eight weeks ago, but our domain has a GPO that installs .NET framework 1.1 on client workstations. This resulted in the .NET Framework appearing twice in Add/Remove programs. I couldn't be sure which resulted from the GPO, so I uninstalled one, and had to remove the other entry via the registry. Then I rebooted so the GPO would reinstall the .NET Framework. It shows installed, but will not run. The relevant registry key reports that my .NET 1.1 SP level is SP1. No programs that rely on the .NET framwork will run. Any help appreciated. Thanks, Bryan Tag: Class not registered Tag: 91788
  - 22
    - Creating Collections in Classes In: microsoft.public.dotnet.framework.performance Hi, can someone give links either in msdn.microsoft.com or other sites that tell me what are the best ways to create Collection properties in a class written in Visual Basic.NET? Eg., say I create a Class that instantiated allows you to get a property of collections: Forms.Controls, TreeView.Nodes etc etc. In my work, I only used ArrayList to create Collections but want to try other interface classes such iCollection, hasttables, etc etc. Thanks in advance. Tag: Class not registered Tag: 91787
  - 23
    - Bursty data - SendBuffer TCP socket .NET, use messaging queue? Hello I am developing an application that sometimes ends up sending a large burst of data on the socket. My understanding is that the kernel will drop queued data randomly if the Send Buffer is overwhelmed with data. In order to prevent this there is the "SendBuffer" (One of the the enumeration values in SocketOptionName - http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemnetsocketssocketoptionnameclasstopic.asp I have not been able to determine the largest possible value that SendBuffer can be assigned; I really doubt if it is unlimited upto the system memory. I am hoping to get information about platforms running *WinXP* as well as *CF* so I am placing the post on both the groups. Extrapolating the question, *if* the SendBuffer is limited to a few tens of kB then is there a built in queueing mechanism to make sure that data trickles into the TCP connection when the burst comes? This is a real-time app (with almost gaming like requirements) so I am not sure if using a messaging queue would be very useful because the messaging queue stores stuff on the hard-disk sometimes. Anyone had any experience with these type of issues? Thank you very much for reading. -Jumu Tag: Class not registered Tag: 91784
  - 24
    - scheduled windows task How to write a scheduled windows task . Not a windows service I want to schedule this exe in windows task scheduler. Thanks ajit Tag: Class not registered Tag: 91783
  - 25
    - dll inside a dll? is it possible to reference a dll that is inside another dll? in our program we have a solution called functions.dll and we are also using the mysql.data.dll in all our other solutions. is there a way to reference the mysql.data.dll in each solution by only making the functions.dll one of the references? i tried it by just having the "using mysql" in the functions.dll but it does not seem to work. is this possible or not? thanx in advance for the help Tag: Class not registered Tag: 91782
- Next
  - 1
    - Microsoft: Help with OLE documents... Hi all. I have an application to draw and design different documents, that supports linking and embedding of other documents (like, for instance, Corel Draw or Word). Then, the user can print their designs "WYSIWYG", so I load the external document inside an OLE document container control (VB6), get a handle to the object and invoke OleDraw with the hDC that I want the object in. This have been working excellent, and this application is largely distributed among our clients. The problem is we want to migrate to .NET (any language, VB, C#, C++, ...), but there's no OLE container that lets me obtain a handle to an OLE document. I know you could import COM and ActiveX, but this particular control (included in VB6) CANNOT BE IMPORTED NOR INSERTED in .Net. Microsoft calls this a "migration issue" and warns us about it, but how, then, can I draw an Ole document inside our application (let alone open, edit, update, etc)? Is Microsoft planning to update this component for VS.Net 2005? Or is there an alternative? I know I could load an OLE document "the hard way", but those are methods so obscure, I get lost before even starting to insert the document in a container... If this is the only solution, is there an easy (as easy as this can be) example that can lead me to accomplish the insertion of a document inside mine? I know it can be done, because RTF editor lets you do it. It even lets you open and edit the document, and "paste special", but I don't seem to accomplish getting a handle to any of those inserted objects... Thank you for your time, VBen. Tag: Class not registered Tag: 91781
  - 2
    - Memory leak ? iexplore.exe? Our applicaiton Windows Forms controls in IE browser. I noticed that some times iexplore.exe process stays on the taskmanager even after closing the browser window. The behavious is not consistent and does not happen on all machines. However it is consistent if we open a PDF file from our application in the browser. Why iexplore.exe process never closed? Is it because we are hosting .NET controls in IE ? Why is the memory not released for IE process? Please help, any suggestions? Thanks, Srini Tag: Class not registered Tag: 91780
  - 3
    - Regex to identify asp.net server control in a given html I am not sure if it is the right forum for Regex topic. If not, please point me the right forum. For a given HTML, I need to identify each asp.net server control. I am not an expert in regex, can someone give me a hint to write it? In the HTML, I need to identity the patterns for <tag * runat="server" * /> or <tag * runat="server" * > * </tag> In which tag is in the pattern of *:* Then I need to get the start index and end index of the string that match the pattern. Thank you very much for your help! Tag: Class not registered Tag: 91778
  - 4
    - Socket.GetSocketOption MaxConnections bug ? After calling mySocket.Bind(someEndpoint) to an IP endpoint I immediately attempt to get the MaxConnections allowed through mySocket.GetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket,System.Net.Sockets.SocketOptionName.MaxConnections) and a socket exception is thrown. Is this a bug in the .NET 1.1 framework, or is there something I do not understand in this call ? Tag: Class not registered Tag: 91777
  - 5
    - How to Deserialize to a specific object instance. Hi, I would like to be able to deserialize a stream to a specific instance. Deserialize returns me a new instances and that is not really what we need, we need to deserialized to an existing instance. Can anyone point me in the rigth direction? Regards -Martin Tag: Class not registered Tag: 91765
  - 6
    - VS 2002 and Framework 1.0/1.1 SP upgrades This is a question regarding service packs for the .NET Framework. We are still using Visual Studio .NET 2002 development environment to write our ASP.NET apps. However, on our app servers we also have .NET Framework 1.1 installed. Our current versions of framework offerings are 1.0 SP2 and then framework 1.1 with NO service pack. I know that as far as coding against the .NET Framework goes, since we are using VStudio 2002, we are coding against the 1.0 Framework. So my question is, when there are new Framework service packs released, do we need to only install the 1.0 SPs since we are coding with VStudio 2002? Or do the latest 1.1 framework SPs essentially rollup all the 1.0 changes? Since we code against the 1.0 Framework, just seems upgrading 1.1 service packs wouldn't do anything. Right now the 1.0 Framework is up to SP3 and the 1.1 Framework is up to SP1. I just want to know if I only need to install 1.0 SP3, only 1.1 SP1 or both. Thanks! -Mike Tag: Class not registered Tag: 91761
  - 7
    - How to disable event Hello, I am writing vb .net win form application. The code for disable button event at C# is: button1.Click -= new System.EventHandler(button1_Click); How can this be done at vb .net? Thank you. Tag: Class not registered Tag: 91755
  - 8
    - xcel error at web server Hello, I am writing c# web application with Excel 2000. I have Excel 2000 install at my workstation, but not at the web server. My code is: Excel.Application EXL; EXL = new Excel.Application(); --> This row return the following error at the web server: COM object with CLSID {00024500-0000-0000-C000-000000000046} is either not valid or not registered. We don't want to install Excel at the web server. What should be done? Thank you. Tag: Class not registered Tag: 91754
  - 9
    - How to assign value to Excel 2000 worksheet cell Hello, I am writing c# web application with Excel 2000. My code is: Excel.Application EXL; EXL = new Excel.Application(); Excel.Worksheet WSheet = new Excel.WorksheetClass(); string FileName = MapPath(".") + "\\..xls"; WSheet = (Excel.Worksheet)EXL.Workbooks.Open(FileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing).Worksheets.get_Item(1); Excel.Range rng = WSheet.get_Range("H12", Type.Missing); string H12 = "H12: " + rng.Value2.ToString(); // Works fine How can I assign value to cell? rng.Cells[6, 3] = "a"; --> return the following error: error: cannot assign '"a"' into 'rng.Cells[6,3]' Thank you. Tag: Class not registered Tag: 91753
  - 10
    - Excel process doesn't shut down Hello, I am writing c# web application with Excel 2000. My code is: Excel.Application EXL; EXL = new Excel.Application(); Excel.Worksheet WSheet = new Excel.WorksheetClass(); string FileName = MapPath(".") + "\\..xls"; WSheet = (Excel.Worksheet)EXL.Workbooks.Open(FileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing).Worksheets.get_Item(1); Excel.Range rng = WSheet.get_Range("H12", Type.Missing); string H12 = "H12: " + rng.Value2.ToString(); EXL.Workbooks.Close(); EXL.Quit(); Although I use EXL.Quit, Excel process doesn't shut down (still running at windows task manager). Why? Thank you. Tag: Class not registered Tag: 91752
  - 11
    - Method for finding dotnet version Hi All, I am using Visual studio 2002. The dotnet version that comes with this, is dotnet version 1.0. I have installed dotnet framework version 1.1 recently. How can I associate dotnet version 1.1 with the VS 2002 ? Also, what is the dotnet API in C# to find the version of dotnet? best regards sijo Tag: Class not registered Tag: 91750
  - 12
    - System.Web.Mail Error Hi, We are trying to send the mail using these framework set of classes from the namespace - System.Web. We are getting the following exception. Does anyone know about this problem? Exception - "Unable to send mailSystem.Configuration.NameValueFileSectionHandler, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 does not implement IConfigSectionHandler" Environment Details: In our client's machine - we have both Framework 1.0 & Framework 1.1. And our application needs both the frameworks. Developed Application: This is the data feed process developed using the C#.Net application; the error log will be thrown to the configured email address using the System.Web.Mail. Since the above exception is throwing, we are not getting any email. Can you please let me know the solution for this pronlem. Thanks in advance, Kiran Nakhate +91-98805-94142 Tag: Class not registered Tag: 91745
  - 13
    - Simple: Excel Jet 4.0 Link vb 2005 I need to link an excel file to a VB.Net program, so that the host computer doesn't need excel on it to read the cells. I don't need any functions of excel, just values from cells for viewing in textbox's. I am trying to link the file using the database explorer, but, after right clicking and selecting new database ole connection, then Jet 4.0 and the file name, I am being told that : "Could not find installable ISAM" I have looked on the newsgroups, and I have made sure that I have the latest versions of the Jet 4.0 installed I have the latest service pack, Office 2003 and VB 2005 express beta1. I'm thinking that maybe this a bit of a bad combination?? Tag: Class not registered Tag: 91744
  - 14
    - ENTER and forms Can I use ENTER to submit my form using C#? I have used Page.RegisterHiddenField("__EVENTTARGET", "btnFind"); This works SOMETIMES but not all the time. I saw http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemwindowsformsformclassactivatedtopic.asp and http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemwindowsformscontrolclassgotfocustopic.asp which explains that ENTER is not used since the Activate is used for Forms. I understand the logic but I still cant get my forms to always submit on ENTER and instead it uses the first control (a list) and ends up being redirected. Enter has been used for decades to submit a request dating back to "dumb terminals" and even typewriters. So it makes sense to use the ENTER to submit forms. Tag: Class not registered Tag: 91742
  - 15
    - Help for SocketOptionName.PacketInformation Hello, need aynone knowing something about the SocketOptionName.PacketInformation! Background: I have a little app sending and recieving ICMP-Echo and Echo-Replies. Now I wonder if it's possible to determine the MAC-Address of the answering Machine. After searching in MSDN-Library I found the SocketOptionName.PacketInformation and thought it could give me some details of the recieved pakcet. Now I'm trying to implement it but it doesn't gave me information at all. I tried a socket.getsocketoption() with an predefined byte-Array but afte the call the byte array is empty. So is there anybody able to tell me how to use this SocketOption correctly? Or does anybody know how to retrieve the MAC-Address from the Echo-Reply-Packet recieved by my socket? looking forward for the solution ;-)))) Tag: Class not registered Tag: 91741
  - 16
    - reflector Do you know Lutz Roeder's Net Reflector.. it is disassembler for .net framework dll and exe. How can i protect my dll from disassemble program like this... Tag: Class not registered Tag: 91740
  - 17
    - How does IIS or Framework set the Content-Length header ? Hello, I'm experiencing a strange problem with an aspx page. This page does NOT set the Content-Length header. When hosted on my development PC (with IIS 5.0 and .Net 1.1), the HTTP response however contains a Content-Length header. When hosted on our test server (IIS 5.0 and .Net 1.1 as well) the Content-Length is not set, causing the server to send the response (roughy 10KB) in several chunks which seems to dramatically decrease performances. My questions are: - How does IIS (which layer or component and with which algorithm) sets the Content-Length for a dynamic page ? - Which conditions would make our test server not to fill this header hencing causing (I guess so) this chunked encoding response ? Any thoughs or idea ? Thanks in advance Arno Tag: Class not registered Tag: 91739
  - 18
    - mscorwks.dll I have an application that runs for about 1 minute before an exception window comes up saying: SV_TpeConsole.exe - Application Error The instruction at "0x7931529c" referenced memory at "0x00000000." The memory could not be "read". The .Net debugger only gives the assembly code. Is there a way to find out the call stack for this error or some other more useful information? None of the timers in the program are invoking this error, as they have been checked. Tag: Class not registered Tag: 91731
  - 19
    - Record my webcam Hello, I'm trying to record the video and audio streams from my webcam/microphone to a file on the disk. Can someone point me in the right direction on how to accomplish this? Thanks, Eric Tag: Class not registered Tag: 91724
  - 20
    - .net and mysql join i'm curious if there are any known issues with the 2. i've tried it in vc# and vb and i get the same results with both. every time i run a join and it gets to a 0 or null it makes everything following it in that column null. the mysql statement is: "select customers.name, customers.firstname, customers.customerid, customers.contact, customers.memorec, extinfo.info, memos.memo from customers left join extinfo on customers.rec=extinfo.rec left join memos ON customers.memorec=memos.rec where customers.rec=extinfo.linkrec and extinfo.identifier=1 and extinfo.primarytype=2 and customers.inactive=0 order by customers.name asc" the memorec points to the coresponding rec in the memo file. the problem is that if a customer has a 0 memorec (no memo) then the dataset makes it null and all the memos following it. is this a known bug or am i doing something wrong? is there a better way to do this? Tag: Class not registered Tag: 91717
  - 21
    - Windows service & Web service Interprocess Communication Hello all! I need an easy way to pass data between windows service & Web service For example pass a data set, or recordset , Both written in C# , Both running on the same machine so I'm trying to avoid Sockets / network communication Any .Net solution? Thank you! Sharon Tag: Class not registered Tag: 91687
  - 22
    - Debugging windows service hosted remote classes I have a windows service hosting remoted classes(SAO) I want to debug these classes My client is windows application, objects remoted using TCP channel Any help is appreciated Thanks John Tag: Class not registered Tag: 91686
  - 23
    - How to make an assembly search for its dependent DLLs in a specific path (other than the installed directory) Hi I've two products which share lot of common DLLs. I want to create a common directory and store these common DLLS. Now how can i make my executables (or other assemblies) search for the dependecnt DLLs in this common directory ? Thanks -sudhakar Tag: Class not registered Tag: 91685
  - 24
    - .NET error using Group Policy Management Console? I make extensive use of Group Policy on our SBS 2003, so a few weeks ago I finally installed the Group Policy Management console snap-in on my XP Pro SP2 workstation. I've been successfully managing Group Policy via this console, but today when I selected a GPO and clicked the Settings tab, it hung on the message "Generating Report..." for much longer than usual, and finally displayed the following error message: "An Error occurred while generating report: File or assembly name System, or one of its depedencies, was not found." Efforts to run down this message mostly lead to discussions of version errors with the .NET framework that I don't completely follow. However, I tried uninstalling and reinstalling the .net framework, and checking my service pack level (I thought I might have applied .NET Framework SP2, but it doesn't appear to be installed on my system). I'm not sure what's next. Should I try uninstalling and reinstalling the GPM console? I'd rather not work blindly, so I don't want to try too much until I have a better idea of what went wrong in the first place. Thanks in advance, Bryan Tag: Class not registered Tag: 91680
  - 25
    - Impersonate call fails even after duplicating token here is the code: IntPtr token1 = IntPtr.Zero; int loggedOn = -1; loggedOn = LogonUser(lpszUsername,lpszDomain,Pwd,LOGON32_LOGON_INTERACTIVE,LOGON32_PROVIDER_DEFAULT,ref token1); if(loggedOn == 1) { IntPtr dupeTokenHandle = new IntPtr(0); bool retVal = DuplicateToken(token1, SecurityImpersonation, ref dupeTokenHandle); WindowsIdentity newId = new WindowsIdentity(dupeTokenHandle); CloseHandle(dupeTokenHandle); CloseHandle(token1); System.Security.Principal.WindowsImpersonationContext wimp = newid.Impersonate(); } The Impersonate() line fails with this error: System.Security.SecurityException: Unable to impersonate user. Tag: Class not registered Tag: 91674

I have XP operating system and visula studio 2003 installed. I am trying to
install Framework 1.1 SP1, I am getting an error message " JIT Debugging
failed with the following error: Class not registered". I would like to if
there is any solution for this. Thanks in advance.

Lateef

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