Jerry Liu's Q&A profile

• Windows Forms Properties Window Problem

  Hello All ! I am facing a common problem with Properties window in Visual studio IDE. It's not getting visible once i say F4 or Click on Properties window Button in Toolbar . I tried restarting VS two three times. After closing and again o ...Show All

• Visual Basic Replacing contents in a textbox using listboxes

  I have a textbox... I need ALL the contents from one listbox to be replaced by ALL the contents in the other listbox IN THE TEXTBOX I need them all replaced in one function, not one at a time. Thanks, Tanner Hi, You can do something like this: Private Sub Button1_Click( ByVal sender As System. Object , ByVal e As System.EventArgs) Handles Button1.Click     Dim objListBox ...Show All

• SQL Server Cannot reconfigure UNION ALL task

  If you add a "Union All" task to your Data Flow the output columns get configured by the first input you connect to it. However, if you later want to modify the input columns on the inputs (perhaps after adding an upstream Data Conversion) there seems to be no way to get it to forget the original set of output columns. Ideally, there would be a button you can press to reset the output columns based on the earliest added input. At ...Show All

• SQL Server SOS!! Proc written in C# throwing errors !!

  I have a stored proc which is being called by reporting services. It is written in C# and is a wrapper for executing other procs dynamically.It generates the following error time and again. Any help would be hugely appreciated as this is a production level issue. Thanks Shai Error Message: System.InvalidOperationException: The context connection is already in use. System.InvalidOperationException: at System.Data.SqlClient.SqlConn ...Show All

• Visual Basic opening cd drives

  I suppose you are seeking information on how to open a cd-rom door/tray using VB.net code.  It would look like this:   <DllImport("winmm.dll")> _ Public Shared Function mciSendString(ByVal command As String, ByVal returnCommand As String, ByVal returnLength As Integer, ByVal hwndCallback As Integer) As Long End Function Private returnstring As String = "" Private Sub button1_Click(ByVal sender As Object, ByVal e As E ...Show All

• Smart Device Development Marshalling arrays

  Hi all, I read the following article: http://msdn.microsoft.com/library/default.asp url=/library/en-us/dnnetcomp/html/netcfmarshallingtypes.asp Which was very good. It showed me how to pass in an int[]. I ran the code and it worked, the minimum item was passed back. What I want is to modify the array and pass that back so I modified the code in the article to look like this: /****C++****/ extern "C" _declspec ( dllexport ) ...Show All

• Visual Studio Team System Could internal Version Control be replaced?

  Hello, My organization is interested in using Team System build, but not ready yet to abandon version control system we currently use: P4. Therefore I wonder whether it would be possible to implement an interface to an external Version Control System and configure TFS to use it instead of internal Version Control for team builds If that is possible then what API shall I use to do that Thanks. ...Show All

• Visual C++ Visual Studio 2003 Compilation error

  When I compile I get this error message LINK : error LNK2020: unresolved token (0A00004E) _DebugHeapTag Does anyone have any idea how I coul resolve the problem Any help would be greatly appreciated. Yacine Benahmed Assistant de recherche Yeah I think that's what the problem is, I contacted them and they told me that they didnt support .net and that I should use VC-6 which I dont really find interesting for the ...Show All

• Game Technologies: DirectX, XNA, XACT, etc. 16 channel Real Time signal rendering: Should I go for DirectX?

  I'm refurbrishing an old VB6 application that displays up to 16 signals, at 100 samples per second, along with some icons on the screen. The user decides on the on-screen resolution by means of a zoom function key. Now in the design phase, I need some more information to decide on taking Direct-X or GDI+ path. I've been going through several sample applications, and so far, I've got the feeling that Direct-X is suited to heavily drive the ...Show All

• Visual Studio Express Editions .Net Framework 2.0 Beta and Starting VB

  Hey Everyone, I'm just getting started in Visual Basic, and I'm starting out with the express edition betas, and I'm trying to do an app in it, but whenever I try to install my app on another pc that pc has to download the .net framework 2.0 beta which is a larger file then I'd like them to have to download if they want to use my application.  Is there any way to get around this such as packaging the framework with my applicaiton, or use th ...Show All

• Visual Studio Express Editions Datagridview question

  Question from a newbie VB2005Express programmer I have a datagridview on a form bound to a dataset bindingsource. I have added some extra fields to the datagridview, unbound columns. Now I would like to populate these unbound colums (or e.g. give a different background in case a certain condition applies). How to do this... In case of a gridview I read in the documentation that I should use the gridview.rowdatabound event. This event is no ...Show All

• SQL Server How do you transfer a database to SQL Server 05?

  On the web site for MS SQL Server 05 Express the description at the top of the page says, "Transfer any database created in SQL Express to other editions of SQL Server 2005." http://msdn.microsoft.com/vstudio/express/sql/powerful/ How do you transfer a database from SQL Express to SQL Server 2005 I am creating a data-driven web site using Visual Web Developer 05 Express, SQL Server 05 Express, and MS SQL Server Management Studio Express. My ...Show All

• SQL Server Pb with group and lost of informations in the report

  But I have problem with reporting services. Could you help me For exemple, I have some informatins who don't appear in my report. For example, I have a list of agricultur who are ranged in three different groups( A,B or C). I want to put their names by grouping them in their departement and their town. Then, a second group on the departement And finally, a group on the town. But agriculteurs can have a departement and no tow ...Show All

• Visual Studio Express Editions Using information from a database??

  Hi, I have just started an application that will need access to a database( in this case an Access database). I'm very new to Vb and access for that matter, Before I really get started I was wondering a couple of things. 1. I have added a field from my database to my form which in this case displays names, is it possible to use what ever value is in the textbox in your program code. i.e i have added another textbox(not connected to my database) ...Show All

• Windows Forms capture the Keyup & KeyDown in a Datagrid

  I want to capture the  Keyup & KeyDown in a Datagrid Can anyone tell me how to capture the Key-up & Key-down in the selection part  (left hand 'margin') of a datagrid, i.e. when navigating up and down the  datagrid using the up and ...Show All