Alexon's Q&A profile

• Visual C# A newbie question on Interfaces

  hi,    I'm new to C# and OO in general. I can't seem to undestand the pertinence of interfaces.   From my understanding, the interfaces define the signature of the methods while the class implements these methods. How is this better than simply doing away with interfaces and simply implementing the method in the class   Apologies for the rather novice question, an example to illustrate the pertinence of interfaces would ...Show All

• Visual C++ Socket programming - Problem in function recv() when receive many big packets

  Hi everybody, I have met a problem: function receive() did not return the real value when we receive many big packets in short time. My application contains client side and server side. We use SOCKET object. In server side, we send many big packets (each packet is about 1000 Byte); in client side, we use while() loop to receive the packets that server sends to. the return value [ret]:        char sz ...Show All

• Smart Device Development Running Directshow filter

  I have developed a directshow filter for Windows Mobile 5.0 using Visual Studio 2005 and got .ax file output. I have connected the Windows Mobile 5.0 Pocket PC Emulator through ActiveSync 4.0. Can anybody please tell me how can i test it on Windows Mobile 5.0 Pocket PC Emulator I am not sure if i fully understood you question. This article may help you http://msdn.microsoft.com/library/default.asp url=/library/en-us/wcemultimed ...Show All

• Visual Studio 2008 (Pre-release) Possible bug with Buttons and EditingCommands?

  I found what seems to be a bug with buttons when setting the command to one of the EditingCommands. If the button is inside a toolbar the button becomes enabled/disabled as appropriate, but if the button is NOT in a toolbar it doesn't, and always stays disabled (you can verify this by running the example below). This behavior was also present in the Feb CTP, but I held off posting hoping that it might get fixed. Is this a bug, or is there a logi ...Show All

• Visual Basic Using VB.NET to run External Applications

  Is there anyway to use Visual Basic 2005 Express to run external files For example, pressing a button would open Notepad. I am trying to use the process command to run an external DOS-based program and then issue commands to it.  Is there any easy way to reroute the commands to the program once it is running     Roran1981 ...Show All

• Visual C++ vector container with user-defined class problem

   Hi all: I want to use the STL vector to store an array of objects which class is user-defined. LMVector is the user defined class and here it's the LMVector.h file. class LMVector { private:     .... public:     .... };   In another class LMRectangle, there is a field needed to store an array of LMVector. Here is the header file for LMRectangle class LMRectangle{ public:   ...Show All

• Visual Studio User defined reports

  Can the final user modify the .rdlc file to have a customized report Is there (o will there be) a "Designer" external to Visual Studio Short answer: No. There is a "Designer" external to Visual Studio; it is called Report Builder. Report Builder is meant for end-users, but it cannot be used to edit .rdlc files. Report Builder can only edit reports that were created using Report Builder. What is your ...Show All

• SQL Server Help needed to find this server

  Ok if any1 can find this id most appreciate it Microsoft SQL server 64-bit (i have xeon) 2005 standard edition thnx In Windows Server 2003 SP1 (x86) with Sql Server 2000 I could use the following connectionstring no problem DSN=Hello; Now I am using Windows Server 2003 x64 and SQL 2005 and I get this error: Provider is not specified and there is no designated default provider. ...Show All

• Visual Basic upgrade Visual Basic 2005 from VB 6.0

  Hi! I have just download Visual Basic 2005 and install it on my computer .I open a project made by VB6.0,VB 2005 does't show the upgrade Wizard.I down't now why. Can you help me Thanks a lot. ...Show All

• SQL Server System.Web.Services.Protocols.SoapException: The item '/foldername' cannot be found

  I am trying to figure out how to correctly reference the directory to my subscriptions: Dim subs As Subscription() = rs.ListSubscriptions( "/SSS" , Nothing ) System.Web.Services.Protocols.SoapException: The item '/Hedi' cannot be found. ---> FYI: I replaced sss for privacy purposes only here Does /SSS exist in the catalog For ListSubscriptions() to work, the item must exist in the catalog and either be a report or a link ...Show All

• Visual Basic Internet and ADO

  Hi all, I had a VB6 program that opens a remote asp page as an ado recordset. The asp page connects to the remote db, gets some records and return them. Should I do the same in .Net or is there a better alternative to retrieve data from a remote db. Note: webservices are not an option Thanks, Ivan Hi Ivan, Did your Database is exposed on the web e.g. We can install SQL server at machine A, but ou ...Show All

• Visual Basic VB or VC++ for GUI Development?

  Hi Folks, I want to solicit suggestions regarding the performance of VB. Net or VC++ .Net with regards to GUI development. Thanks. +Ver Hi, If what you meant by VC++.Net is the C++ extension for the .Net framewrok then I could say that its just the same. Both of these uses the same controls from the framework. The only advantage of C++.Net over VB is that it could use MFC or other native objects. But if your not planning to do so, I sug ...Show All

• Windows Forms ERROR LNK2022: More false errors. Deleting an Event.

  I've deleted an event handler by hand (I think there is no other way to delete it) deleting the method and then deleting the stuff stored into " Windows Form Designer generated code". Press Shift-Ctrl-B to build project and get the next error: Error 1 error LNK2022: metadata operation failed (801311D6) : Differing number of methods in duplicated types (ZXNewtonCP.FormMain): (0x02000005). CommandProcessor.obj  I have not touc ...Show All

• Visual Studio dataset Visualizer

  Hello, I am using the DataSet.ReadXML() method to fill a dataset. I need to be able to debug this dataset and take a look at the rows. I have read articles about the DataSet Debugger, but I do not seem to have that feature in my Visual Studio, I am running VS2005 with the .NET 2.0 framework. I should mention I am developing a Pocket PC application. Why cant I use the DataSet Visualizer Please help, thanks Ok I ...Show All

• SQL Server Interactive sort doesn't work for multiple sub-reports

  I have a report, which contains two nearly identical sub reports. In the IDE, when I test the containing report, each of the sub-reports works fine, in particular, the interactive sort feature works for both. When I deploy the reports to the test server (desktop running Windows XP, SQL Server 2005 Developer’s Edition, and SQL Reporting Services 2005, reports are served as web pages), the interactive sort feature seems to work only for one of th ...Show All