D4Soft's Q&A profile

• .NET Development int on a 64-Bit machine

  Hi! If I declare a variable of type int in C# it will normally map to System.Int32. If I run the same application on a 64-Bit machine will it then map to System.Int64 In C#, unlike C++, ints and longs are predefined as being 32 and 64 bit respectively.  This is the same on any platform, whether 32 or 64 bit.  As long as you aren't using any unmanaged components, you really don't need to worry.  However, I still use Int16/ ...Show All

• Visual FoxPro Order a raport by a field from child table

  A have a two tables (parent table and child table). The report wizard allows order just, a raport by a field from parent table, but I need to create a raport, which is ordered by a field from a child table. I don't know how. Please someone tell me, thank you.  A second, why VFP9 don't allow to display a Query result in a Report destination   No it does work. It always worked. Just check your ...Show All

• .NET Development Display data from multiple tables into datagrid

  I am using visual studio 2003 and was able to create a dataset and bind it to sql adapter but the data is from one table. I want to view the data from multiple table when i add the tables to dataset it only shows me 1st table. Not sure how to accomplish this... Any help will be appreciated. You have to use different datagrids or if you want it in the same grid you can create something called a view in the database & then bid it to th ...Show All

• Visual Studio Error "CallbackOnCollectedDelegate was detected" found in VS2005(final)

  could any one help me with following error: when i run an vb.net 2005 application with embeded crystal report and get following error message: "CallbackOnCollectedDelegate was detected Message: A callback was made on a garbage collected delegate of type 'CrystalDecisions.ReportAppServer.DataSetConversion!CrystalDecisions.ReportAppServer.DataSetConversion.DataSetConverter+CrdbAdoPlusDelegate::Invoke'. This may cause application crashes, corrup ...Show All

• Visual Basic Problem with windows service and outlook

  hey I use this code, I want to send a email all tha days (hour: 8:00 AM), but my code has somes problems. Code: Protected Overrides Sub OnStart( ByVal args() As String ) WriteToLog() End Sub Protected Overrides Sub OnStop() End Sub Private Sub WriteToLog() Dim oApp As Microsoft.Office.Interop.Outlook.Application = New Microsoft.Office.Interop.Outlook.Application() Dim eMail As Microsoft.Office.Interop.Ou ...Show All

• SQL Server Error saving package to msdb (IA64 - April CTP)

  When attempting to save a copy of my .dtsx package (from BI Dev Studio), I get the following error. Any one have any ideas - note: This is an IA64 machine running W2k3 Server (SP1). If I select * from msdb.dbo.sysdtspackages90 I get no rows. Thanks! ============================================= The ExistsOnSQLServer method has encountered OLE DB error code 0x80004005 ([DBNETLIB][ConnectionOpen (SECDoClientHandshake()).]SSL Security error.). Th ...Show All

• Smart Device Development Installing .Net Framework 2.0 (KB829019)

  Do you need to uninstall .Net Framework 1.1 before installing .Network Framework 2.0    Yes. MIIS2003 doesn't use Framework 2.0, and 2.0 doesn't recover 1.0 and 1.1 - it's independents. But this update (KB290019) has some critical things, that are brake MIIS. RollBack this update - and MIIS work correctly. I thinking, Microsoft knows about it, and it publish new KBxxxxx with .NET FrameWork 2.0, but without this error. (sorry for m ...Show All

• Visual Studio Team System Inspecting the internals of a loop

  I know the VisitFor doesnt work.  But i'm trying to write a rule that checks for certian things inside of a loop construct.  This includes for, for each, do and while loops (did i miss any ).  From my knowledge of IL, and lookin at the IL for all 4 loop types, they all share one common pattern.  There is a branch opcode directing the process flow back "up" the opcode instruction set.  Is this a fairly predicta ...Show All

• SQL Server Mapping Variables to Resultsets

  Is there a problem mapping variables to resultsets with a bigint as datatype I've tried using int64, and others, but all fail except for object datatype. I cant use object datatype because i wont be able to use it as a derived column. Any ideas here Big integers are returned now as strings. So if you choose your variable as a string variable you should be able to get the result correctly. This will probably ch ...Show All

• Windows Forms Microsoft Exchange - Mail Duplication Problem

  Hi,     We are sending mass mails to the customers using MS Exchange. The mailing process is triggered from our application. The users have complainted that they receive duplicate mails. How can i overcome this issue. I have browsed thru and most of them say its due to the mail server synchronization problem. Is there any solution for this Thanks in advance. Sriha. ...Show All

• Visual Studio can Accessing members of the Field Collection By Index?

  I know how to user the First() function to access the First element of a field collection, is it possible to access the Third and Fourth Is this possible using custom code Sorry, this is not natively supported. Only the first or last row can be directly accessed. You could however look into the "custom aggregate" approach discussed in this article: http://blogs.msdn.com/bwelcker/archive/2005/05/10 ...Show All

• .NET Development ASP.NET page layout in Whidbey beta 2

  I have a quick query, and I would welcome any observations... Does anyone find ASP.NETpage layout in Whidbey Beta 2 very difficult. For example, in VS 2003 you just dragged controls - textboxes, dropdownlists, radio buttons, etc etc and placed then where you wanted to on the page, and they stayed there, both in the developer environment and when the page was run. With Whidbey beta 2, I am spending HOURS trying to neatly lay out a page Am I ...Show All

• Visual Basic Hide the printing dialog box

  Hi All, Is it possible to hide the printing dialog box (The dialog box displaying 'Page n of document' with 'Cancel' button) during print() method called.       for Print Common Dialog Box I am using common dialog - [ Print Option-] box provided in Visual Basic 6.0 I have set all the relavent properites for common dialog object. i want to send the print command from this common d ...Show All

• .NET Development Adding a Column to a Datatable to hold images

  The basic system types do not include image. I want to add a column to a datatable which will hold images. I can add system.object and put my imagelist.image in the column. My DataGidView does not create an image column. Instead I see system.drawing.bitmap in a text column. Not surprising considering object is not image. Has anyone done the following: add a column to a datatable to store images subsequently displayed the images in a DataGridVi ...Show All

• Visual Studio 2008 (Pre-release) Rotate Grid Control on the Z axis ?

  Can I rotate the grid a 3d rotation how plz You need to "paint" the Grid onto a 3D plane using a VisualBrush. Keep in mind that you can't interact with the Grid in this form. So if the idea is to have the Grid be interactive and then rotate away, you'll need to play some tricks to acheive the effect. HTH, Drew ...Show All