Answer Questions

• Matthew_TC Timeouts

  My application uses WebServices to transmit data to/from a Windows Form client. We are having a problem on several machines now, where communication with the web service just halts. After 10 - 15 minutes of usage, all web service call just start timing out. Using a trace, we see that no data is ever leaving the client machine and browsing the web still works fine. It seems that all the machines that exhibit this behavior have multiple NICs in ...Show All

• anibaki Automatically detect a CD and read CD contents

  Hello all, I am trying to make a module which will do two jobs: 1. Automatically runs when a CD is inserted into the cd rom drive. 2.copies the contents on CD to any location on hard disk. I am usng C#.net 2003. Anyone please help me! Thanks The code given does exactly what it should do, detect if the CDROM was inserted in the drive. what errors (if any) do you get And what program do you want to automatically ...Show All

• MattGold access permission probelms. HELP ME!!!

  I have two computers, a desktop and a laptop, both running win xp home. Both are wirlessly enabled and connect wirelessly to the internet through a belkin router. The desktop will happily see the laptop and share files, and everything seems to work just fine. The laptop, however, refuses to see the desktop. I have shared all folders properly, both are part of the same workgroup, and I have run the network set up wizard, and tried to connec ...Show All

• dummies FtpWebResponse.Close doesn't close the connection

  Hi I'm going be frustrated by a problem with FtpWebRequest/FtpWebResponse vs Upload a file. It doesn't close the connection by calling method Close of the FtpWebResponse. I see this by checking connections on the FTP server. After return by code that upload the file, the connection still exists. Of course can I use keepalive = false, but in documentation and forums I read by calling the response.Close method, the connection will be closed ...Show All

• jesbin The Undo operation encountered a context that is different...

  This is not specific enough information for me to know what I did wrong and where. Does anyone have any insight to this It appears to have something to do with asynchronous socket I/O completion. System.Transactions Critical: 0 : <TraceRecord xmlns="http://schemas.microsoft.com/2004/10/E2ETraceEvent/TraceRecord" Severity="Critical"> <TraceIdentifier>http://msdn.microsoft.com/TraceCodes/System/ActivityTracing/2004/07/Re ...Show All

• VashYsk HttpListener supported on Windows 2000 or no?

  The docs are confusing.  They say this: Windows XP Home Edition, Windows XP Professional, Windows Server 2003 Platform Note: Service Pack 2 or later is required to use this class which implies Win2K is not supported but then they say this: Development Platforms Windows 2000 , Windows XP Home Edition, Windows XP Professional, Windows Server 2003, Windows "Longhorn Which is it Nevermind.  I see via th ...Show All

• Tito Perez Web Service Knowledge

  Hey guys, I have worked on webservices but truly speaking do not know much about it. I don't understand the big tutorials on net also. can somebody tell me what exactly we can do in web services what is the advantages and wht exactly this is. wht all it contains etc ... etc.. Thanks. I recommend working through the MSDN Web Services Developer Center: http://msdn.microsoft.com/webservices This article would be a good starting place: htt ...Show All

• M. Ueberall Cross AppDomain

  I have a plugin-based application, where each plugin is subclass of UserControl in the main settings dialog of the application.  So, for each plugin that is loaded, the system queries the plugin for  it's  settings page. The plugin creates an instance and returns a reference.  This works good for now, but I want to change my system so that each  plugin loads in a separate appdomain, so that i can unload the plugins at &n ...Show All

• elenaar-ms Stream attachments from SQL database for Mail

  How do I stream attachments that are currently stored in an SQL database   I am trying to create a Windows Service to send mail with attachments. If it is too complex are there any alternatives Version 2.0 of the Framework has added SMTP support.  You will want to look at the following classes: System.Net.Mail.MailMessage System.Net.Mail.Attachment System.Net.Mail.SmtpClient I saw in a another ...Show All

• Mike danniel DataTables and NULL values

  Hi there, My question is how do I handle reading NULL values from non-string columns from a datatable I'm using Visual Studio 2005. I have a datatable that I fill from a table in SQL server. Many of the columns are nullable and that is reflected by the AllowDBNull property on each of the columns in the datatable. However when I access the values in a data row I get an exception. This is obviously because the NullValue property on the ...Show All

• Thawani SQL strings and distributed applications

  I am building a solution in VB 2005 which uses SQL strings to determin varoius totals etc. It works fine on my machine - but when I deploy the solution and install it on another machine, it fails to show the totals at all. I am in no way an expert so i assume that I have overlooked something simple. I would be most grateful if anyone could point me in the right direction. Thank you - its all starting to make se ...Show All

• Terence Chua Easy way to change control type

  In MS Access, when you had a control already on the form, you could right click it to change it to another control type (ex. textbox to combobox). Is there a similar function in VB.NET (ex. textbox to maskedtextbox) Thanks! The refactor support may do this for you in the code view. Or, you can always change the type in the code view, and see what happens :-) ...Show All

• Lukeyboy public variable

  Hi, In one windows form i.e. form1 I have a public variable (i.e. variable1) where it gets set to "hello" in the other form i.e. form2 , I would like to get the value of the variable1 in form1 (i.e. form1.variable1) how is this done please Thanks    You can throw an event from Form1 when the variable changes and have Form2 subscribe (handle) that event. The variable can be passed through ...Show All

• KrishnaSrikanth Commenting out an element within a node

  I'm having a hard time figuring out how to comment out an element inside a node, working with XML in memory at runtime. I do not want to write anything to file. I basically have this inside an instance of XmlNode: <ParentElement>   <ChildElement1/>   <ChildElement2/> </ParentElement> and I want to end up with this: <ParentElement>   <ChildElement1/>   <!--ChildElement2/--> </Par ...Show All

• David Chilcott Update

  Okay from that I can see that you want to be able to support a user uploading a file. However, that doesn't change the fact that this should be posted to http://forums.asp.net Update: Sorry Tom didn't post that message. Should be pay attention more closely. Tom, The reason I didn't respond was because it is an off-topic post. As I stated in my first post AND second post you need to post it in the correct forum: http://forums.asp.net ...Show All