Marco M's Q&A profile

• .NET Development FileSystemWatcher and FileStream.Flush(); no notifications until Close().

  I don't know if this is an OS limitation, a problem with the FileSystemWatcher, or just me.  If I use the FileStream class to open a file, seek to a specific position, write some data, and flush the buffer, FileSystemWatcher is oblivious to the change until I call FileStream.Close! If I view the file attributes and contents after the flush and before the close I see that the last file write date/time has changed the the contents have change ...Show All

• SQL Server Can't connect to SQL Server 2005

  Hello, I have a problem with connecting to SQL Server 2005. I have a small network at home with a WLAN router connected to Internet. My notebook computer and desktop computer are connected to router. My SQL Server 2005 is installed on notebook computer and Microsoft Server Management Studio is installed on desktop computer. I wanted to add login so I could connect to it from desktop pc and a problem came up. When I tryed to add acco ...Show All

• .NET Development Data Access, where to start?

  Hello, I am developing a small application and I am wondering where to store information that I need. After some thought storing the information in XML or in an Access database is probably the best option. Could someone point me in the direction of some resources for opening a connection, getting info and sending info to XML or Access or both Cheers, padraic Hickey Padraic24 wrote: Hello, I am developing a small ...Show All

• Software Development for Windows Vista SqlWorkflowPersistenceService exception using beta2

  Hi, I've tried to created a web application using workflow. but there was an exception (array index out of bound exception) occurred when i tried to call 'startRuntime()'. Here is the code: --------------------------------------------------------------------- private WorkflowRuntime runtime; private WorkflowInstance instance; private AutoResetEvent waitHandle; and in button_click(): runtime = new WorkflowRunti ...Show All

• Visual Studio VS2005 Team Suite Project Portal

  The project portal that can be displayed from the team explorer in Visual Studio 2005 shows three reports one of which is a bug rate graph. When clicking on the graph I get an error from the ReportServer application. " A parameter or data source credential is missing a value.  Prompting for this value has been disabled.  Supply a value or enable prompting ". Can anyone help with this Many thanks swg ...Show All

• .NET Development Is COM+ obsolete?

  Hi, Recently my boss hoped me to do some COM like stuff, So I tried to find some good books for COM+ and .NET. What I found is that it seems no new books about this topic, the lates one was published in 2002. Is anybody there can give me some guides Thanks in advance. Chris COM+ is far from obsolete. The best book on the subject imho is 'COM and .NET Component Services' by Juval Lowy. It may have been rel ...Show All

• Visual C# Multicast delegates with IEnumator and yield return?

  Hello, I am trying do set up a multicast delegate to split my yield returns for a WebTest I am writing, but only the last delegate is firing.  Is this a known problem, by design, or am I doing something wrong Thank you, --ben hii all, First time I am just learning Delegates in c#. I have faced a conceptual problem. In books it is written that A Multicasting Delegate should have a return type of Void unless it will ...Show All

• Visual Studio MSDN Library May 2006 update is failing

  I just received the MSDN library May 2006 DVD, and it detects the previous library (Jan 2006), begins to install, and then prompts for the Visual Studio 2005 DVD. I insert my Visual Studio 2005 Profesional Edition DVD, but the Library install just keeps re-prompting to insert the Visual Studio 2005 DVD. How should I complete the Library update Thanks, Jim Hi Jim, Thanks for your posts on ...Show All

• Windows Forms How to access methods of MDI Child form by MDI Parent toolbar?

  How can I access the methods (save, new, delete methods) of a MDI child form when clicking on a toolbar positioned in the MDI parent form So on the MDI parent I have this toolbar. When clicking on a button on this toolbar it must call a method from the current MDI child form. There are several types of MDI child forms, but each contains (the same) methods... Does anybody has an example of how to do this Thanks, Alwin ...Show All

• Visual C# does a static timer works like any other static variable?

  Hi everybody I have a class Graph that has a static timer timSecs and a function start that enables the timer Graph.timSecs.Enabled = true; Graph.timSecs.Start( ); In the main application I have two objects of the Graph class. But it seems like the event timer just triggers for one of the objects. Any suggestions Thanx How about using a timer class Instead of having your class start t ...Show All

• Visual C++ OpenGL library integration problem

  Hello there! I have the Visual C++ 2005 Express Edition. At school, we use VS 6.0, therefore, my projects should work on that platform as well (btw: are there compatibility issues between the two ) Now to my problem: I have downloaded the glut library from on of my teacher's site, the same that we use in school. The copied the glut.dll in the Debug folder, under my project, and the glut.h and glut.lib and glut.def under the same folder as the ...Show All

• Visual Studio Express Editions Problems with Splash Screen and VB 2005 Express

  I create a default splash screen using Add New item | Splash Screen and then I select it in the project properties. When I run in it the VB2005 environment, the splash screen shows as expected, but then gives an error message: NullMessageException was unhandled . before running the application. Without the splash screen the application runs fine. The exception detail follows. Has anybody any idea what I am doing wrong The funny thing is i ...Show All

• Visual Studio Express Editions BindingSource Navigation

  Hi, I've got a Winform with a number of controls that are directly bound to a bindingsource, I've also created a list box and a combo box that will be used for quick record selection. The problem is that both the list box and combo box, have a custom query source. What I would like to know is how to navigator to the selected record and how to change the other control to the same record. eg. If the user selects a record from the List Box, I want ...Show All

• Software Development for Windows Vista How is WWF Store Persitant Workflow Information

  Hi ,   I would like to know the storage used to store a workflow in the WWF, is it built on SQL Server 2005, or is it on a file system. well i am asking so since i am planning to provide a windows service to act as the hosting environment, and i need to know do i have to provide my own persitant storage mechanism or is it already provided. Akram - the persistence service in WWF is pluggable.  There is a built-in persistence servi ...Show All

• Windows Forms Viable click-once scenario?

  I am an experienced win-forms developer (but not it asp.net). I have an application scenario where I am wondering if click-once deployment would provide benefit. Basically, it is an internet web/html based training program that needs to launch a local 3D simulation environment (based on the Gamebryo gaming engine). In a perfect world, this is how I would like it to work: 1) User runs through the training web pages, and gets to the simulatio ...Show All