v0lcan0's Q&A profile

• SQL Server Prediction with many attribute states

  I have a large dataset of around 3 million records with accounting data for 2 years. Attributes are transaction amount (cont. / predict), account, cost centre, project, month and a few others. I want to predict any future transaction amount for a certain combination. For example; what will the next salary cost transaction amount in cost centre 123 probably be I have tried Decision trees and Neural nets. But the predictions are not go ...Show All

• Visual C++ Visual C++ 2003 Standard -> how to upgrade

  Hey, I'm really eger to buy Visual 2005. I'm using Standard version now and I want to ask which version should I buy to have the same features I'm afraid that there will be no Visual C++ 2005 Stardard for 150$. Do I have to choose between Visual C++ Express and Visual Studio Standard(including all the languages...) Hi, As stated in the document. VS2005 Standard Edition costs as much as $299 ($199) upgrade. In your inquiry on choosing bet ...Show All

• Visual Studio Tools for Office Problem using PIA interop Assemblies for Modules and Forms in an Access Database

  Hi, I'm trying to copy from a database to another, modules and forms. here is the code I am using, For i = 0 To appAccess2.Modules.Count - 1 ListBox1.Items.Add("Modules " & appAccess2.Modules.Item(i).Name) appAccess2.DoCmd.CopyObject( updated, appAccess2.Modules.Item(i).Name, Microsoft.Office.Interop.Access.AcObjectType.acModule, appAcces ...Show All

• Visual Studio Viewing a mini-dump in VS2005 debugger

  I had a customer generate an IIS minidump using DebugDiag, and tried opening it in VS2005. It worked, but the callstack in all of the threads show "ntdll.dll!7c82ed54()", and nothing deeper. On the other hand, if I open in with WinDBG, I see a call stack with a lot more stuff on it. Is there something I'm missing with VS2005 Or is it just limited in it's ability to debug minidumps It could be that yo ...Show All

• Windows Forms designer can't load form. Where is 'more information'?

  after going from beta2 to rc1, the designer all of a sudden cannot load my forms anymore. instead, i get the infamous window with the red top that says some errors may go away building the project, while other need code changes. needles to say: the file compiles fine, the form could be opened with the beta2 and vs2003 designers and obviously doing a rebuild doesn't help at all. now what the additional error message says; Unable to load one or m ...Show All

• Visual C# How to use Webrowser.Navigate()?

  I would like to send form data to a web form and open it in the webbrowser control in my winform app.  However, how should I define my name-value POST data (i.e. parameters postdata and additionalHeaders) for method WebBrowser.Navigate()   Please see http://msdn2.microsoft.com/en-us/library/ms161355.aspx   Thanks a lot!   Hi, I think that you may create a HTML page in some temporary location, that con ...Show All

• Visual C++ How to find out the current window that is active due to your mouse click?????

  Hello, I am writing a dialog based program that will take screenshots while the dialog is minimized. The trigger to take a screen shot is through WM_HOTKEY. I like to use the correct API to take the a window that is active due to user's mouse click while the dialog of the program is minimized. Now, I am using : CWnd * pWnd = CWnd::GetActiveWindow() ; while the window I like to take screenshot is active after mouse click. But when I debu ...Show All

• Visual Studio My view on views, Repositories, Multi-user acces etc.

  Hi all, Sorry for the long message, this probably is better suited for a blog, but I don't have one (yet). In various threads issues have been mentioned that deal with handling large models. For example in In Multi-User Capability there is a question on multi-user capabilities, and in Collaborating on models a solution is proposed. In How to make Multiple Views a request for supporting multiple views has been done. In Question on ro ...Show All

• Software Development for Windows Vista Clarification about Scheduler services and Workflow Hosts

  Hi there... I have some questions about the scheduler services and workflow hosts. I'm building a WF application using a State Machine workflow and ASP.NET. I' ve read few times that is better use the ManualWorkflowSchedulerService than the DefaultWorkflowScheduler service. I know the differences between them, the first one donate a thread where the workflows instance will be run, this means the workflow instance is synchronous with th ...Show All

• .NET Development invalid parameter used

  hi when i wanna to see a picture that saved in DB in binary format(in picture box) and use this code: da.SelectCommand = New OleDbCommand("select aks from doc", OleDbConnection1) OleDbConnection1.Open() da.SelectCommand.ExecuteNonQuery() OleDbConnection1.Close() da.Fill(ds, "doc") 'image Dim curr As Integer curr = 0 Dim bytImage() As Byte bytImage = CType(ds.Tables("doc").Rows(curr).Item("aks"), Byte()) Dim imgbytes(bytImage.Length - 79) As Byte ...Show All

• SQL Server Adding row with values in script

  Hi, In a dataflow script I can Add an empty row using OutputBuffer.AddRow(). But how can I put values into the row Regards, Henk Henk, Intellisense can help you here. If you type "Output0Buffer." a menu will appear and somewhere in there will be the names of the available columns. It makes it all very easy. Typically the usage would be: with Output0Buffer.     .AddRow()     . ...Show All

• Visual Basic Form Switching

  Hello all, I know this is a real n00b question, but I was wondering if someone could advise me as to a better way of doing my form switching without creating a new instance of a form each time. I know usually you can just go Dim F as new Form2 F.Show But that creates a new instance of Form2. What I'm trying to do is to have a permanently open version of Form2 that I can access at any time. The reason I want to do this is so that I can k ...Show All

• Windows Forms DataBinding Problem?

  I have a textBox that is bound like so; this .txtBoxAccountAddressLine1.DataBindings.Add("Text", DSAccountAddress.Tables[0], "AddressLine1"); I then have the follwoing code so that I can pass the value to the stored procedure to update the Address like so; string AccountAddressLine1 = this .txtBoxAccountAddressLine1.Text; If the user erases the txtBoxAccountAddressLine1.Text and then presses the Edit Button to Update the Address, the value ...Show All

• Visual Studio Express Editions web.config problem with compier

  Hello, I just installed Visual Web Developer Beta 2 and got the following error from an application that was created with Beta 1.  Any help would be appreciated: <compilation defaultLanguage="vb" debug="true"> <compilers>  <compiler language="vb" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" extension=".VB" compilerOptions="/define:Debug=True / ...Show All

• Visual Studio _15780_RTL_x86_enu_NETCF_v2.0.cab. Verify that the file exists

  I downloaded the VS2005 for MSDN. When I tried to install I am getting the following error Error 1311.Source file not found(cabinet): c:\vs2005-cd1\_15780_RTL_x86_enu_NETCF_v2.0.cab.  Verify that the file exists and that you can access it. Any help please. Thank you Can you check a few things: 1. Does the file actually exist in the path specified 2. If its there, can you open it and see the contents in the cab 3. how are you installi ...Show All