CSI-IT's Q&A profile

• Visual Basic matrix algebra, how to do it in VB

  hi, I want to perform some matrix algebra in vb.net (m columns, n lines, m x n) - transpose - inverse - determinant - add, minus, multiply... Anyone can help And how to input those matrix in vb (from a text file, or from excel data, or by input by hand) Please help thanks http://www.codeproject.com/csharp/rtwmatrix.asp ...Show All

• Windows Forms Printing To A Generic Printer

  I'm trying to spool out a text file to a zebra printer ( label printer ) but I get the following error message "The data area passed to a system call is too small" has anyone else encountered this issue, Any help would really&nbs ...Show All

• Visual Studio 2008 (Pre-release) ComboBox InvalidOperationException

  I've run into a strange error with a ComboBox. When I run this particular app over a terminal services remote desktop, I get an InvalidOperationException when I attempt to click on or open the ComboBox. The error message is "An unspecified error occurred on the render thread". When I run the app locally, everything is fine. I was wondering if this is a known issue. This is with the Feb CTP. Thanks. Bruce Bukovics Author of .NET 2.0 In ...Show All

• Windows Forms Best Practices - Multiple Developers

  We're running a project and we need to add several developers. I'd like to get some advice from everyone on how to set up the Solution so multiple developers can work on the same solution. Should I have multiple projects  Please advise... ...Show All

• Visual Basic StopWatch Sample in 101 samples

  Just downloaded and modified the stopwatch from 101 samples, nice job! I am a PE teacher, and want to create a Timer for this stop watch ap.  Count Down timers are very important, and I have a Large Screen in my Gym/Smart Board that I would love to display a countdown timer on, and of course the StopWatch I - you created. How would I implement the timer functionality I know how to get the time into a text box or Label (Web), but how do I s ...Show All

• .NET Development Optimize database search

  Hi, I am using Visual Studio 2005 pro (C# language) and SQL2005 Express Edition. I am building an application which currently decodes a large file and builds a SQL server database from it. The scenario is: One table (we'll call it TABLE1) which contains over 9,100 rows which holds names of places (and some other information). Another table (which we'll call TABLE2) which contains the same name places, but has lots of other informati ...Show All

• Visual C++ two users on pc

  How can i stop emails addressed to 2nd user on our pc(xp proff) being opened by each other we use wanadoo,and pc is set up as two users we both have same email address But have a differant name at the start. I'm sorry, these forums are for programming questions only. You should talk to the supplier of your email software to try and solve this problem. ...Show All

• Microsoft ISV Community Center Forums work localy with database

  hello, i have a database on the network and when i run a function with many queries it works really slow. is there a way to copy the database to the local computer, make the queries and continue working on the database on the network other users also work on the network database so it's important that the file stays linked to that DB. please help... refael The speed problem could be the number of users or the database size. ...Show All

• .NET Development Serialization of "anyType"?

  Hi, I have used XSD.exe to create some classes for serialization. In my XSD, I have an element like this: < xs:complexType name = " contentsType " > < xs:sequence > < xs:any processContents = " skip " minOccurs = " 0 " maxOccurs = " unbounded " /> </ xs:sequence > </ xs:complexType > The resultant auto-generated class for this, looks lik ...Show All

• Visual Studio 2008 (Pre-release) Determaining isselected inside a data template

  Anyone have any insight on how to determine INSIDE a listboxitem's datatemplete wehether or not it is selected (whether the containing listboxitem IsSelected).   Stephen: i think the animation is not starting because you are trying to operate on an item named "ControlPanel" under the logical tree of the stack panel named "ControlPanel", and it can't find the name because it's not looking at the root. ...Show All

• SQL Server Cluster install fails

  I'm running into issues installing SQL 2005 Enterprise on a Win2003 server. They seem to be related to missing rights. I've done a lot of research and have come up empty. Does anyone know why I'm getting these log entries Thanks for any help. Running: OpenPipeAction at: 2006/0/31 11:35:35 Complete: OpenPipeAction at: 2006/0/31 11:35:35, returned false Error: Action "OpenPipeAction" failed during execution. Error: 0x80070005 TaskS ...Show All

• Visual FoxPro Amount range

  Hi, I have a table where the salary range and deduction are stored. As an example the salary ranging from 1,000 to 1,500 has a deduction of 100. This is the part where i should be getting the amount for deduction unfortunately i don't get any record though the record exists in the table: SELECT nfrom, nto, ndeduction from tbldeduct WHERE ; tbldeduct.nfrom >= thisform.txtngross.value .and.; tbldeduct.nto <= thisform.txtngross.v ...Show All

• Visual Studio Team System AT: Unable to install it with SQL Server 2005 Database Engine ?

  I'm quite surprised that App Tier could not be installed if sql server database engine is installed. We'll have to use the sql database engine for other purposes, and we can install TFS AT if sql server database engine is present... It's a closed discussion or there is an explanation about a such restriction Actually we have a production server dedicated to sql server, and we want to install TFS on our development server. Must we insta ...Show All

• SQL Server Inner Join problem

  Merit, The best way to understand joins is read BOL. There are several algorithms to perform a join, such as inner loop join, merge join and hash join. Each of them needs thorough coverage that is impossible to provide in one post. I will give 2-word description of each type of joins, but, yet again, you need to read BOL to understand everything in detail. Inner loop join works like you guessed-it devides the tables to be joined to inner and ...Show All

• Smart Device Development Connecting HP Pocket PC to my PC

  I have installed the HP iPAQ rx1900 Pocket PC CD on the PC. It connects to the extent that the "media" window appears on the HP Pocket PC as predicted. Now, I prepare to depoly a Visual Studio program called "Ballistics" on to the Pocket PC. This program works gloriously on the emulator. I deploy it onto the Pocket PC. It tries and it tries and it cannot make the connection. The deployment fails. So I back off and s ...Show All