ericmar's Q&A profile

• .NET Development Delete file after reading it

  I wrote a program that copy an xml file from the source directory (a share drive) to the application directory (C:\Temp). Read data from the file and then close it. I cannot delete the file, and got an error message: The process cannot access the file 'C:\Temp\example.xml' because it is being used by another process. Does anyone know what is the correct way to close the file and delete it properly In the program, I open and read the xml ...Show All

• Windows Forms MDI data structures

  I want to write a document editor which can handle a large number of documents simultaneously, any of which can ioncrease in length arbitrarily. A multidimensional byte array is not suitable because only the last dimension can be redimensioned. Does anyone know how standard editors like Word etc. manage their data files JOLinton   That will work. Collection classes are still better than arrays ...Show All

• Visual Studio Tools for Office Trying to access Excel Spreasheet from VB.Net application

  Hi there, I'm looking to accesse/link an visual basic windows application with one Excel workbook, and therefore particular worksheet. Can anyone have an idea, how could I do that please Or is it possible to create tables in a vb.net form where I could actually use to do some calculation, i.e. like an Excel spreadsheet! Thank you for your time In a Winform, you can put formula columns in a DataTable and bind the DataTable to a GridV ...Show All

• Visual Studio Express Editions Having trouble watching training videos

  Hi, I'm trying to watch the training videos on Microsoft's site ( http://msdn.microsoft.com/vstudio/express/vwd/learning/default.aspx ), yet the video will pause while the audio continues. Anyway to get these videos to run smoothly without the video pausing for a minute every once in a while I can still here the audio though. Thanks! Leo I downloaded them and I still get the same problem.  For ex ...Show All

• Visual Basic why don't IDE of VB express have context menu : collapse/expand code

  God ,it 's so terrible ,each time VB IDE be ternimated suddenly Unclear what you mean by VB IDE to be "ternimated" suddenly.  The express skus are stripped down versions of the regular product, so some features are not there.  Hope that answers your question.   Toddap_ms ...Show All

• Visual C# problem with Importing DLL

  i am having a problem with importing, this is my exact code I use to Import (with red indicating the error): DllImport (" User32.dll ") but my error is: The first part (DllImport): Class, struct, or interface method must have a return type the second part ("USer32.dll"): Type expected please let me know how i can fix this. Hi, here is an article about that: http://msdn.microsoft.com/msdnmag/issues/02/08/CQA/ using System.Runtim ...Show All

• SQL Server OPENXML

  I want to INSERT by using OpenXML TO INSERT a Table some fields from one table and some fields from OPEN XML as a single INSERT statement Can U GUIDE ME PLEASE thanx http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=412570&SiteID=1 HTH ...Show All

• Visual C# IVsaSite vs ICodeCompiler

  I have an application that makes extensive use of IVsaSite, specifically it generates VB code, and adds a number of "Global" objects such as an execution context, value evaluators,.....  Now that I have upgraded to .NET 2.0 all IVsaSite references are considered to be obsolete and will not be supported in the future.  The warning message suggests using ICodeCompiler instead, however I can find no way of allow access to named global ...Show All

• Visual Studio VSS2005 Licensing

  Hi, I was wondering about the licensing issue in VSS.  We are currently runing Sourcesafe 6.0, and have 4 users in the database.  Is there a limit in VSS2005 on the number of users or number of clients allowed to access the database at any given time Can one (server) installation be sufficient for all the users of the database Hi, VSS doesn't have a limit of the number of users in the database or the n ...Show All

• .NET Development wich technology is better for distebuted program (acsses from web and win base prg)

  i want to have disterbuted programm that can service only my user from web and local windows base programm and security is important what technology do u recommand for this Pooya, I'd recommend you start by looking at the Windows Communication Foundation. WCF services can be configured for both fast on-box access and secure access over the internet. In either case, you can use the included security features to limit access to just your ac ...Show All

• Visual Basic Saving/restore windows positions

  Using "applicationsettings" to save form position is not working I'm using the following two properties to maintain the form position Location,Clientsize when I minimize or maximize, or resize, it acts very funny. I had to do it manualy by code. also while using a splitter, I save and restore the "splitterdistance" it seems to shift itself a few pixels to the right every time I open the form. does anyone hav ...Show All

• .NET Development Filter DataSet

  Hi, After populating a dataset I would like to further filter the results without repopulating the dataset. Any help would be greatly appreciated. Create a new DataView around your DataTable and set the RowFilter property. If you're already using a BindingSource, you can set its Filter. DataView view = new DataView(dataSet1.DataTable1); view.RowFilter = "Column1='Hello world'";   ...Show All

• Visual C# Strange behaviour with float type. A bug perhaps..?

  Hi, Can anyone tell me whether there is some rational explanation for the following: Given the following class A and main class Program is there any reason why: substituting 16,000,000f , -16,000,000f and 16,000,000,000 in Program.cs for 17,000,000f, -17,000,000f and 17,000,000f should yield different results The expected return would be: Source : 0 Destination : -1 However, with the larger values the result is : Sour ...Show All

• SQL Server FTP Task samples

  I am using SQL Server 2005 - CTP June 2005 and I am trying to create a simple FTP task.  After I create a new FTP Connection Manager and verify the connection, I drag an FTP Task object to the designer and set the FtpConnection property to my FTP Connection Manager.  The designer is showing a red X in the FTP Task object with the following error: Attempt to read message string 0xc002f313 failed with error 0xc02090f3.  Make su ...Show All

• Windows Forms StackOverflow on costumized Serialisation

  dear Reader, perhaps you can help me with the following, since I can't figure the following: I have a complex datatype which consist of lets say a tail (which is the same for all records) and a head (holding data for my various type of&nbs ...Show All