FourBlades's Q&A profile

• Windows Forms Desktop installation of new version fails

  I have a VB application developed in VS 2005 using CF 1.0. I have an installer that works exactly as expected from within VS. It also works fine on the desktop, if it is a fresh installation. I can install and uninstall just fine. The problem is when I have a new version number and try to replace the version on the device. It works fine in VS, but on the desktop, if I try to install or uninstall, I get a message "Another version of this product is already installed. Installation of this version cannot continue.." and so forth. Removing the software on the device does not help. Both installing and uninstalling still work within VS 2005. What is going on, and how can I avoid it I have set the "RemovePreviousVersion&q ...Show All

• Windows Forms Multipe Select Box

  Hello Everyone, I have this multipe select box..say for example holds degrees...looks something like this BSC Masters PHD Say user is asked to pick what they have....I want to store this in Database after a while..what is the best way to store these values and use them later..... Thanks, Harsimrat       I think you  can create a table to store the user selection. For example,create a table named "UserDegree" with two fields to store the user id and degree information.And at the user interface,using two ListBox controls,one for displaying all the options,called listbox1;the other for displaying the selected options for the user,called listbo ...Show All

• Visual Studio 2008 (Pre-release) Performance drop after maximising a transparent window

  Has anyone else noticed a massive performance hit after maximising a transparent window. This seems to continue even after the window is restored to normal. The same app using a non-transparent window has no problems. I am using the June CTP. Thanks for the response David. It's been a while since I posted so I'll have to go back and check this again but what I meant was that the slow-down remained even once the window was reduced back to non-maximised size. I am using Windows XP with service pack 2. ...Show All

• SQL Server Whats better for Ad Hoc reporting, Relational or AS Cube

  My company is trying to decide which one would be better, creating a report model off of relational tables, or using an AS cube. right now, I use Visual studio for report development. but a big part for the users is Ad-hoc reporting. What are the ups and downs of both (AS cube and Relational table, report model (Ad-hoc). And what would you suggest Any info would be helpful. Thanks! Hi, This question is difficult to answer without knowing the type of database you are connecting to. Cubes give advantages when you need to have a lot of drill down functionality and when a lot of calculations needs to be done. This is because cubes contain precalculated values so that when the user performs a query, not all ...Show All

• .NET Development HttpWebRequest SSL Session Control

  I use an HTTPS GET towards a server. This .NET code fetches a session cookie from the server. The code uses HttpWebRequest with KeepAlive = false to fetch the cookie. NO cookies are ever sent to the server. My application will always receive a session cookie when the .NET application is first initialised. If the application tries to perform another fetch however without .NET initialisation, the remote server does not return a session cookie since it believes this is a continuation of an existing session. When I analyse the SSL packets using Ethereal, I see that the SSLV3 SessionID in the .NET sent Client Hello is zero in the first GET but contains the same non-zero SessionID for each subsequent GET. This is how some servers maint ...Show All

• Visual Basic how do I close the VB application

  yes, dumb question i hear you say, I'm very new to programming Visual Basic. I have searched the internet and been unable to find an answer to this. I have a form with an OK and a Cancel button on and I'm already stuck on how to make the Cancel button close the form...any help much appreciated. Double-click the button in the designer and write "Me.Close()" in the event handler. I'd recommend you try some starter books... ...Show All

• Visual Studio Express Editions problem installing a programme - clr20r3 invalidoperationexception

  Hi, I have a VB2005 app that works perfectly on my PC and the other PCs in my house, and on my work pc, all of which have MSOffice2003. The programme uses a COM MS Spreadsheet control. However, when trying to install the programme on another computer, which I think may have an earlier version of Office, I get the following error message: " Sudoku Solver has encountered a problem and needs to close. We are sorry for the inconvenience. Error signature EventType:clr20r3 P1:sudoku.exe P2:4.0.3.2 P3:454667c2 P4:sudoku P5:4.0.3.2 P6:454667c2 P7:f P8:c6 P9:system.invalidoperationexception " The Error Report itself has the contents of 66 Modules, 11 Threads and 386 Memory Ranges. I've refe ...Show All

• Visual Basic Tabbed Browser - How to add new tabs?

  Hey, I'm trying to create a simple web browser that supports tabbed browsing. (That is, using to tabs to open multiple windows without launching the program multiple times.) I have everything except the actual tab part complete. I need to know how to add a tab and assign a web browser to it. I can get it to add the tab but assignning the browser as a child is beyond my knowledge. If at all possible a full example of a tabbed browser would be most effective for not only completing the task but also for me to learn how to do it. It that is not available any help would be just as highly appreciated. I am using a TabControl and a WebBrowser for controls and both seem to work correctly. Other than that there a ...Show All

• Visual Basic hiding the startup form

  Hi, I was wondering if there is a way to immediately hide the startup form on startup. The Me.visible = False and Me.hide() Methods don't work. I am trying to make a simple program that has a login form and the main form. When my program starts i want the login screen to appear and the main form to immediately disappear, then when the user clicks OK the login screen closes and the main form shows. Everything works except when the program runs both the login and the main form window appear and i can't seem to make the main form disappear, and for other reasons setting the login form as the startup form is not an option. Hope this is a simple fix. Connor SJWhiteley, I read through your post and i was kinda c ...Show All

• SQL Server MDX query on a dimension member

  Is it possible to query an analysis services dimension using MDX select syntax, if so can someone list a example For example there is an employee dimension with Employee Name as the member name and Employee ID as the member property. I want to write an MDX query to return the member name if I have the member property. Thanks Umesh Yes. Something like: select { ... } on 0 from [$Your Dimension Name] You can attach SQL profiler to the server and browse a dimension from BI Studio or SQL Server Management Studio. The profiler will trace the queries we send. ...Show All

• Software Development for Windows Vista DIFxAPI problem with DRVSTORE on XP upgrade to Vista

  I'm having trouble with the XP to Vista upgrade. I have a PNP Driver for our USB Devices. I use DriverPackagePreinstall to pre-install my signed drivers on Windows XP. They install correctly, and I can see them in the Windows\System32\DRVSTORE. I then use the released Vista to upgrade my PC from XP Pro to Vista Ultimate. I then plug in my USB device on the PC for the first time. It says that it can't find the driver, and asks me to point to locate the driver source. I look in the Windows\System32\DRVSTORE, and my driver is still there, Vista just doesn't seem to be looking there for it. Any ideas ...Show All

• SQL Server Delete connection file

  I've inherited a procedure that performs a few transforms and writes to flat files in a working directory using a connection in connection manager. After the manipulation, the system cleans up by deleting the working files. Works fine in development, but from the command line gives: The process cannot access the file <filename> because it is being used by another process.". I suspect this is because connection manager still has the file open. Any ideas Thanks Guy Any ideas on how to close a connection As far as I can see a connection is opened by reference to it, but I can't see any way to close a connection. ...Show All

• .NET Development Dynamic Type Conversions, Interfaces, Reflection

  I am trying to determine if there is a way to convert a variable of type object to another type dynamically. For example, I have a variable oReturnObject declared as an object used in the following manner: oReturnObject = CallByName(oSourceObject, oProperty.Name, CallType.Get) (note that oProperty is of type Reflection.PropertyInfo) All works fantastic unless the return value is an interface. What happens is, oReturnObject contains all of the members of the class that implements the interface and not just the interface members. Now if oReturnObject was of a type specific to that interface, it works as expected. SO, is there any way to convert the type of oReturnObject to the interface type reflected in the oProperty object I essen ...Show All

• SQL Server Configuration files do not work in CmdExec mode

  I have created an Integration Services package on my development machine. The package contains a configuration file witch let's say is stored in c:\projects\MyIntegrationServicesProject\myConfigfile.dtsConfig (on my dev machine). Then I have another "Production" machine where I import the SSIS package into an SQL database. I then create an sql-job with only one step, to run my SSIS package. This works fine if I configure the step to be an "SQL Integration services package" and configure it to use my configurationfile. However I would like to configure this package as a CmdExec step. In the commandline, I specify /CONFIGFILE "d:\....\myConfigfile.dtsConfig" (the correct path on the prod machine). But it s ...Show All

• .NET Development Dictionary container serialization problems.

  I have a dictionary datamember that I am trying to serialize and get the following error {"Cannot serialize member InstrumentUI.Tallie.UserSpecificData of type System.Collections.Generic.Dictionary`2[[System.Byte[], mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[InstrumentUI.Tallie+UserTally, InstrumentUI, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]], because it implements IDictionary."} Does this mean that you cannot serialize the dictionary data member. And if so is there antoher container that I could use. I need a data member that can store a byte[] as the key and hold another datamember that stores a string as the key and an in for the value. any ideas. I was using the dictiona ...Show All