Answer Questions

• leplaidn Object reference not set to an instance of an object.

  I'm receiving this error: "Exception Details: System.NullReferenceException: Object reference not set to an instance of an object." In regards to this line of my code: ElseIf Request.Cookies("userid").Value = "" Then and if I comment out that line it also gives me the error in regards to this line: UserID = Request.Cookies("userid").Value Here is my code behind: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Partial Class ...Show All

• Smarty How do I Specify .config Information if my Base Client is a VB6 Application?

  I need to download a greater than 4 megabyte attachment via WSE / DIME. (This is my application context, however this is not specifically a WSE/DIME issue) The only way I know how to configure this is via a .config file. Normally, the .config file is the same name as the base application. I built a .NET driver program to test this, NetBrokerDriver , and provided a NetBrokerDriver.exe.config file which specifies the following: <messaging> ...Show All

• !Jonathan Detect and STOP shutdown in a VB.net 2003 Process

  Howdy folks, I believe I may have found the one thing that’s impossible to program (without "cheating"). I'm using VB.NET 2003, on a winXP Pro machine. Here's what I'm trying to do: Using a service without a GUI, I'd like to detect when Windows is shutting down, restarting, or logging off. I need to differentiate between shutdowns, restarts, and log offs. As soon as one of these actions is detected, ...Show All

• shlomim Tricky one for you all. WMI and CPU Utilisation.

  Hey all, I have created the following class to get CPU Utilisation data using WMI as follows; Imports System.Management Public Class WMIProcessing # Region " Definitions " 'WMI Objects... Private mManagementScope As New System.Management.ManagementScope Private mObjectSearcher As System.Management.ManagementObjectSearcher Private mCollection As System.Management.ManagementObjectCollection Private mObjec ...Show All

• Nigel Richardson Reproducing a File.Copy ArgumentException

  Hi, I'm trapping System.IO.File.Copy exceptions and cannot reproduce a ArgumentException when 'sourceFileName or destFileName specifies a directory.' as documented. Does not Work: Catch argument As ArgumentException When IsDirectory(sourceFileName) Or IsDirectory(destFileName) ... error messages Catch argument As ArgumentException ...error messages Does: Catch io As IOException When IsDirectory(sourceFileName) O ...Show All

• Charles4 Check the distance between two objects using vector

  Hi everyone,                      It's me again, Maria. I find this forum very good as I really get the neccessary information that I want, so once again, I came to write in and ask question :P                     I'm working on a game which n ...Show All

• tcochran64 BUG: NextValue method of .NET PerformanceCounter object returns zero

  Hi, The NextValue method of the .NET PerformanceCounter object may return zero (0) for the following LogicalDisk or PhysicalDisk performance counters: ? % Disk Time ? % Disk Read Time ? % Disk Write Time ? % Idle Time ? Avg. Disk Queue Length ? Avg. Disk Read Queue Length ? Avg. Disk Write Queue Length http://support.microsoft.com/default.aspx scid=kb;en-us;324548 How can i get the disk utilization (i.e 100 - ...Show All

• Rodrigo Canales Unicode question

  After I have compiled my application are there ANY possible ways that UNICODE can affect the running of the application in any way at all For example (run on these systems characters typed and entered into fields will they be 4 byte characters ) If there is any possibility of any problems at all then how do I know when this is happening and how do I resolve the problems Michael J. Dyrnaes You should *always* use the correct ...Show All

• Narayanan Dayalan assistance: tring to setup Visual Studio's 9 pro, 16 bit subsystem error, WHY??

  everytime i try to run the install wizard I get an error box that telas me 16 bit subsystem error. I dont understand why this program would be giving me that error unless i'm missing a file in the setup that interfaces between the 64 bit my computer uses and the 16 bit setup wizard but even that i dont know how to fix. Any help would be appriciated. Thanks Comet87 What is your specific processor as well. ...Show All

• FeiUsa SQL 2005 and VB.net 2005

  I have a question dealing with SQL and VB. I have been looking for a way to "Browse" my SQL for different Databases for useage in my programs. Is there something I'm missing dealing with a way to browse the SQL My app under Access had a dialog to select which MDB you wanted to use. I know SQL is Different, Need to get list of Servers. Now I want to be able to have the client select which server to use, and which database. I don't use ...Show All

• cynny Most elegant way to check if a network connection is available

  Hi, I'm looking for the most elegant way to check if a connection is available to an ftp site. For example, I would lie to check the status of the connection before running a routine. Regards HerbiNZ If you asking to check that the you have a network connection prior to trying to do a file upload to an FTP Using VB.Net 2005 you can use the My Classes. The general construct would b ...Show All

• Ashu Sharma IT Asset Tracking Table Advice

  Hi, I have designed an Asset Tracking database using SQL Express 2005 and the core function within the VB 2005 front end will be the Inventory. I have the following example tables in my db so far: AssetDetails - This stores the asset details. Example fields include: AssetID (PK), Dept, Location,AssetTypeID (Desktop PC, Server,Notebook,Printer etc), UserID AssetItem - This stores any other items linked to a main asset. Example fields ...Show All

• Diptic Pls help me. my job is on the air, binary interpretation doubts

  vc++ Sample data: *pData=27 // CRC-16 checksum unsigned short CRCChecksum (unsigned char *pData, unsigned short uSize) {   unsigned short uCrc;   unsigned short uCount;   for (uCrc = 0, uCount = 0; uCount < uSize; uCount++, pData++)        uCrc = (unsigned short) (m_CRCTable[((uCrc >> 8) & 255) ^ (*pData)] ^   (uCrc << 8));   return uCrc; } Value retur ...Show All

• cjpa15 dlookup Newbie Troubles

  Hello I am a newbie to VB programming, and I downloaded VB2005 Express. Anyways I was wondering if there is an equivalent to dlookup in VB2005. I found a page on the web talking about it, but as I only know how to use VB2005, I'm not sure how to get it working. In my app I use table adapters, not recordsets. Thanks Jeff There are a number of ways to get data from a database but this is the way I woul ...Show All

• Alex Leung Upgrade Wizard taking forever

  I'm running the VB Upgrade Wizard on a VB6 project to upgrade it to VB 2005. It has now been sitting for over 48 hours with a status of "Pre-processing" and the name of one of the code modules in the application. The hard drive is busy, and the memory usage for the process is continually changing, so it doesn't look like it has hung. The machine only has 512MB of memory, and the vbu.exe process has generated 22.5 million page faults si ...Show All