KingHooi's Q&A profile

• .NET Development dataset copy probleam

  hi... i want to create  a function that detect  my dataset was changed. so i create two dataset datasetOri and datasetChange . So in my program, when form load, i automaticly backup the datasetChange that i receive from my database to datasetOri. And then user can change their data and this change i not update into database until user click button save. So at this time, i just update the datasetChange only . If user click  button save , then i want to campare this two dataset which if they dont change i wont update to database and if its different i update to databse. My probleam is, when i coding like this: private vo ...Show All

• Visual C# Usage of Custom Attributes

  Could Any Body Let me clear where should I use Custom attribute. I Know I can declare some metadat information to a type let say method or class or ineterface and get that information at runtime using reflection.I find it's one use in O/R mapping. But Why should i declare a attribute For example I have to declare a field for O/R mapping of a field in a table tblEmployee.I make a class Employee and in it make a property EmployeeID.In the property I declare a variable Of type String name fieldname and assign it value emloyee_id. Then Couldn't I get the fieldname variable of the property at runtime using reflection. I Also Want' ...Show All

• Visual Studio Team System Error adding attachment with work item?

  Hi, When I add an attachment with an work item and try to save it, I get an error "The server operation failed. (BackendArgumentException". Why is it so Please let me know the cause and resolutions for it Thanks, Saurabh It happens for all attachments - not any specific attachment. Version is beta 3. Lets know if more information can solve your problem. Thanks, Saurabh ...Show All

• Visual C++ how to fix a spawning 'resgen.exe' error?

  Ok, I worked in a project coded in Managed C++ with Windows Forms. Then I paused it and I started coding on a simple Win32 (no .NET) screensaver in DirectX (so I installed the DirectX SDK). Then yesterday I restart to work on the first Managed C++ Project and when I've tried to compile it, I had a bad: MyManagedCppWinFormProject Error spawning 'resgen.exe' Also, all new template Windows Forms projects have the same error. What should I do Tnx. Just copy an another resgen.exe downloaded from net instead of this file ...Show All

• SQL Server sysxlogins table and null names

  Hi all, running sql server 2000 sp4, viewing the sysxlogins table data, and am wondering about the three items listed with a <NULL> in the name column, all xstatus = 192, each has a unique srvid value of 0, 2 or 3. Looking in the MS tables reference book did not help they don't cover sysxlogins, googled around but no luck, searched this forum also. What are these entries Thx I only have one entry for that. I assume that this are internal account which are us for internal purposes, these accounts have setupadmin and sysadmins rights (xstatus 192), dedicated to the (as of the srvid) local se ...Show All

• .NET Development Best aproach for Concurrency

  Hi I`m triying to deal with concurency,I know VisualStudio genereates a query no handle the concurrency for updates and deletes, but I dont know exactly if this a good aproach in terms of performance, also if anybody can help me with some code for deal with the concurrency I mean once is detected how to respond to this. Thanks. ...Show All

• Smart Device Development Splash form trouble

  Hi All, I would like to create a splash form for my application and currently face some dead end. I really appreciate any help. Some of the things that we would like to achieve is: 1. The application should be load quickly (MainForm is a little bit heavier than the SplashForm) 2. After load the application, we would like to display the splash form that inform user of what it is doing (loading data etc) 3. After finish loading the data, we would like to display the main form. The way I do it currently ...is initiating the splash form first, then, after that, calling the MainForm by passing the loaded data. I saw there are some example o ...Show All

• Visual C# bat-file startup + options

  Hey, I have a bat file containing this: EP-Intro.exe -C:\Documents and Settings\Ruben\Mijn documenten\testen.ep Now I want to get the text behind the "-" sign in a string, I want to be able to get the option added to the exe. Is there a way to do that I thought about something like this, but it doesn't work. static void Main( string [] args) { Application .EnableVisualStyles(); Application .SetCompatibleTextRenderingDefault( false ); string filename = "" ; try { filename = args[0]; } catch { filename = "" ; } Application .Run( new intro (f ...Show All

• Visual Studio how to find common script folder

    Accessing common build scripts,   We have a couple projects those are checked into source control, generally people use vs.net to do development and build.   I want to enable use of msbuild along with that I want to simplify project files so that it imports common properties. It will enable future changes esier.   Issue is how I find the common script folder which in build sub folder under root source folder (which may be different for different users), I don’t want to declare it in env because user may have more than one .   Any solution how can I traverse part folders to import a commo ...Show All

• Windows Forms Max length of string

  What's the max length for the string datatype Thanks. .NET documentation says:: String  (variable-length)   System.String (class)   Depends on implementing platform  0 to approximately 2 billion Unicode characters.   ...Show All

• Smart Device Development .NET CF WM5 Bluetooth troubles ...

  Greetings ( Daniel Moth )- I found your name on this MSDN chat: .NET Compact Framework and Smart Device Programming (October 11, 2005) I have an issue and it is driving me crazy !!! I have been developing with VB6 forever it seems like ( cut my teeth on assembly and C code development ). My delima has confused me ..... and I am wondering if you would help me along. I am stuck on not being about to fire a data received event. I have been working on a Bluetooth application for an Dell Axim x51 PDA, developing in C# in VS2005, using .NET CF 2.0, WM5. I there is a Bluetooth manager on the PDA that shows ...Show All

• Windows Forms Permissions required for a DataSet inside a Control

  Hi, which Permissions do I need when a Control uses internally a typed DataSet  In general I've no problems with User Controls in IE, but I've one that contains a DataSet object and that doesn't get loaded due to a security exception. Jürgen Well, I'm fully aware how to set the permissions for my control and I have it already working ...Show All

• Visual Studio Unable to debug System.Net.DigestClient throws an exception

  I converted a VS2003 application to a VS2005 application. I have no errors and no warnings when I compile. When I attempt to run I get the error:   Unable to start debugging on the web server. The type initializer for 'System.Net.DigestClinet' threw an exception. Any thoughts on how to fix this There hasn't been any activity on this thread for awhile, but there is good content here so I'm going to close this thread by marking it as answered. If they thread originator would like to revive the thread, they can unmark it as answered. Thanks. -Noah Coad, VS Debugger PM ...Show All

• .NET Development how to check the internet connectivity

  My computer in connected to a LAN which inturn is connected to the internet through the gateway router. so the IP address i use is the private IP address. I want to check the internet connectivity from c#. How can i know whether or not the internet connectivity is working although my LAN connection is working very well Please help me with this problem. While mechanisms exist for determining if there is a network connection in the 2.0 Framework, the same methods aren’t very useful when it comes to seeing if you have an actual internet connection and not just a local area connection. One of the easiest ...Show All

• .NET Development https webreference problem

  I am having problems working with web references. I am using references to secure sites like https: / / www. arcwebservices. com/ services/ v2006/ Authentication. wsdl The web reference is added successfully with all the correct methods and, I can get the web reference to work correctly when the protocol is http, but I get an E_FAIL result when my derived class hits the following line. Authentication::CAuthenticationT<> *proxy = new Authentication::CAuthenticationT<>; proxy->getVersion(&Result); __atlsoap_hr = SendRequest(_T("SOAPAction: \"getVersion\"\r\n")); //error mes ...Show All