robert579's Q&A profile

• Software Development for Windows Vista How to call a common function after every EventDriven

  Hey guys, I'm working on a statemachine project. I'm trying to record some information when every EventDriven Activity has finished its job. Is it possible to achieve this without putting a StateFinalizationActivity on every StateActivity Is there any event that I can subscribe to call a common function Darren I'd agree with Matt. The tracking services are exactly what you are looking for. Keep in min ...Show All

• Visual Studio File or assembly name CrystalDecisions.Shared, or one of its dependencies, was not found.

  Hello, I have migrated my web app from VS 2003 to VS 2005. My app has a page with Crystal viewer to display crystal reports. I am getting the following error. Please help. Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: File or assembl ...Show All

• Windows Forms Adding a custom property designer to a form that will be inherited

  If I create a form that will be inherited from and I add some custom properties, is it possible to add a custom designer like you can for a control Thanks! Kurt Rather than changing the designer for a form, you could add a StateMachineNode component to your form, which would sit in your component tray (or somewhere on your form, if you want some run-time user interface to it).  Add a smart tag to the compo ...Show All

• Visual C# Avoid duplicate data

  Hi, I want to insert data in a database. How is it possible to avoid inserting duplicate data If I want to insert a row which also is in my database, I get an Exception and my program stops running. How can I tell my programm to go on without stoppng even if there was an Exception Or has anybody a better and faster solution ! Thank you! Your best bet for ignoring those exceptions and continueing is to create a f ...Show All

• Windows Forms How to set up datasource ot Crystal Report at runtime?

  Hi, I have a crystal report crysBanhang and I declare it as follow  private crysBanhang veOpt = new crysBanhang(); Here is my code in form_load method.  SqlConnection conn = AppEnv.GetConnection(); DataSet ds= SqlHelper.ExecuteDataset(conn, CommandType.StoredProcedure, "bl_Hoadonbanhang", ...Show All

• Visual Studio 2008 (Pre-release) Webcam preview in an Avalon app

  Hi, I am building a small webcam API which is part of a larger final year project at my university. In the samples I've seen the camera preview attached to a window, given its HWND handle. The lines of code looked roughly like this (taken from the PlayCap sample in the DirectShow SDK): ... HWND ghApp = CreateWindow(...); ... IID_IVideoWindow g_pVW; ... g_pVW->put_Owner((OAHWND)ghApp); ... So, what I want to do is actually have the preview go ...Show All

• Windows Forms VB.net crashes when loaded, please help

  I just installed VB.net.  When I launch the program, a windows installer comes up and closes the application.  I have tried timing it where I can hit cancel, but it still closes the application.  I have also tried opening a VB applica ...Show All

• SQL Server Set Report for Snapshot History via Web Service?

  Hello, Part of our Reporting Services 2005 implementation calls for the creation of a report (RDL) and uploading it to our RS server for deployment, all done programmatically.  We'd like to have the uploaded report set up for snapshot history.  Does anyone know how to do this programmatically through the web service   I know how to do it manually through Report Manager, but can't seem to find the right method calls to do i ...Show All

• Visual Studio StoredProcedure, parameters not working in Crystal .Net loading

  I use Visual Studio 2005, I create some basic stored procedure on my SQL server 2000. Then i create web project and dynamcli create ReportDocument and fill parameter @id with some value crReportDocument.SetParameterValue(0, 6); or crReportDocument.SetParameterValue("@id", 6); when i load report crReport.ReportSource = crReportDocument fails with error Failed to open a rowset. Details: ADO Error Code: 0x Source: Microsoft OLE DB Provider for ...Show All

• Windows Forms Serious error with selectedindexchange

  Hi, I have three combobox on a window form all are bounded through database but related to each other i.e. data in combobox2 is related to data in combobox1 and data in combobox3 is related to data in combobox2. My requirement is: When form loaded, combobox1 should be bound with corresponding data (upto this been completed). And when I select any of the item from combobox1 the related data in combobox2 & combobox3 sho ...Show All

• SQL Server Consistent Deadlock, need to identify the rogue PAGE lock

  I'm having trouble tracking down a deadlock in a large multi-threaded application. I have been able to gather some information, but not quite enough to identify the two queries at fault. I collected the following by turning on the -T1204 and -T3605 parameters: Deadlock encountered .... Printing deadlock information 2006-04-13 09:13:48.70 spid3 2006-04-13 09:13:48.70 spid3 Wait-for graph 2006-04-13 09:13:48.70 spid3 2006-04-13 09:13:48.70 ...Show All

• SQL Server Help!! "The report server has encountered a configuration error........"

  Hi There, I have installed Sql Server 2005 on my machine. I've managed to created report, but when i try to deploy e same, I'm getting e following error...am i missing something here The report server has encountered a configuration error. See the report server log files for more information. (rsServerConfigurationError) Access to the path 'C:\Program Files\Microsoft SQL Server\MSSQL.4\Reporting Services\ReportServer\RSReportServer.config' i ...Show All

• Visual Studio Express Editions code of vb 2005

  As I work in vb 6. and dont know much about VB 2005. i need a connection code to connect my application with SQL 2005. i had used SQLConnection SQLAdapter SQLCommand to connect it had been connected but i want to reterive fields from table the code i write is Dim conn As SqlConnection conn = New SqlConnection( "Data Source=.\SQLEXPRESS;Initial Catalog=Car_Golf_db;Integrated Security=True" ) conn.Open() ''Dim i As ...Show All

• Visual C# Dictionaries and the objects they contain!

  I was just wondering, is there some way to synchronize the modification of objects that are in dictionaries (or any other IEnumerable interface for that matter), if they are modified without referring to the dictionary I find that this code snippet doesnt work (I might be too naive): foobar bar = new foobar(); bar.setText("hollathere"); Dictionary <string, foobar> someDict = new Dictionary<string, foobar>(); someDict.Add("handl ...Show All

• SQL Server Pictures not displaying

  I tried to search for this but couldnt get a satisfactory solution.. We have pictures stored in a table as BLOB files. When I try to display them through RS it just shows 'X' in that field... Any help is appreciated.. Have a look here: http://msdn2.microsoft.com/en-us/library/ms156342(SQL.90).aspx -chris ...Show All