Gurus, I am new to RegEx. How can i validate following. All characters in my strings are [A-Za-z0-9] and underscore The string MUST begin with Upper Or lowercase character. Maximum length is 51 can have underscores in between but no spaces any where cannot end with underscore Valid =...more >>

This is driving me crazy. I have defined an arraylist as follows: public ArrayList drawnballs; This is instantiated through drawnballs = new ArrayList(); I add balls to this just fine with: drawnballs.Add(myball); I can access every element (every ball) through a foreach s...more >>

Hi, I am tryng to use replace and it is not working. i'm surprised as it would seem to be a simple method. My code: foreach (DataRow row in dsSched.Tables["Schedule"].Rows) { if (_bStopWork) break; lsTemp = String.Empty; ...more >>

Hi, To create a Crystal Reports I use a ReportViewer. How can I pass parameters to the report which is based on a stored procedure. Please provide some code. Thanks ...more >>

I'm curious if anyone has encountered this. I'm developing an outlook add-in that needs to display a PDF. I've included the Adobe Reader ActiveX cotnrol and when I re-load the form I get the dreaded "The path is not of a legal form" error. I've tried all the usual solutions to this error ...more >>

I have to master these relatively new constructs. I'm looking around and asking you too for your suggested learning resource(s). ...more >>

http://www.news.com/8301-10784_3-9810848-7.html?part=rss&subj=news&tag=2547-1_3-0-20 ...more >>

Im my application is a Winforms C# 2005 front end to a SQL Server 2005 database. I have several phone number fields in which I use a MaskedTextBox to format the phone number. All is good until I create a new record and try to save it to the database at which time I get the message "The val...more >>

Is it simple to download the 3.5 SDK to install on my VS2005 box so that I can program .NET 3.5 Framework using VS 2005? ...more >>

I need to export Image from my Mssql 2000 I'm using a dara reader for that, but my code it is not working. How I can save bImage = (byte[]drMyReader["MyImage"] To a file? I had used MemoryStream and FileStream. What I'm doing wrong? MemoryStream ms = new MemoryStream(bImage); Bitmap ...more >>

Hi, I have a dataset ds that I populated using ds.readXML(...). The problem I am having is to populate the a listview control with the data from this file. How do I go about doing this? I intent to use details view to allow me multiple columns as the XML file is in the following format: ...more >>

Hi, I have a label on my dialogbox who has to change text while running. This is what I do: lblBackup.Text = "Bezig met de backup naar " + F1.FTPserver; but the text does'nt appear, only if I draw (call) a messagebox, then the text appears. What can it be? I had made a total new one, bu...more >>

Hi, I am trying to dynamically populate an objects properties using reflection. Specifically, I have an object called the theObj and it has a number of properties. property is a PropertyInfo object What I want to do is to be able to set the property value dynamically which I am doing so ...more >>

Hi, Here's my problem. I am using an obscure font in my Windows Form application, so I want to ensure that people using the application will have the text displayed as intended. I've included the ttf font file in my resources file and I want to write it to disk so that I can then use Privat...more >>

I want to have 3 forms open modally. They are 1: a background form (bgform); 2: form_x; 3: loginform. bgform is always open. form_x could be any random form that that bgform has shown modally. Whenever, the pc is idle for x minutes then loginform is displayed. This all works fine, except that ...more >>

Hi All, I have a registration code that currently has 4 bytes that are unused. I'd like to store a future date in those 4 bytes. Is there a way to convert a date to a 4 byte string? When I do something like this, string stringDate = DateTime.Parse("1/15/2210").ToBinary().ToString("X")...more >>

Hello, Is there a way to group menu items so they act like radio buttons - that is when one is checked the others in the same group are unchecked - I'm looking for a property to group menu items but can't see it. Delphi's VCL has GroupIndex for example. Ta Ray ...more >>

Hello, Here's a question - when reading through a class's code and seeing method implementations - how do you know whether a method is implementing something from an interface or is just a method in the class and has nothing to do with interface. Do you need to look up the entire inheritance ...more >>

Hi (Visual studio 2005) My windows installer Setup project needs to install a desktop application plus an optional Windows Service, into a single destination folder. Both applications share the same assemblies and are part of the same solution. Installation of the Windows Service is optional an...more >>

Can I do this or it will give problems?: lock(this.myObject){ this.myObject.Dispose(); this.myObject = null; } Regards, Andrés -- ...more >>

Is there an API for the Microsoft Fax Driver on Server 2003? Thanks ...more >>

Hi! It's great that Arrays and List<T> support functions that use predicates like TrueForAll(), ConvertAll(), Foreach() and so on. But why are there no such methods for IEnumerable<T>? The guidelines say that we should not work with implementations like List<T> but instead only with interfac...more >>

What is the advantage of the new auto implemented properties introduced in ocras? For example is there any difference between public string Message; and public string Message {get;set;} Thanks....more >>

I have to insert serveral words in a RichTextBox control with a different size each one of then so why I need is how to insert a single word in this control giving the size. Thank you. ...more >>

Just wondering if LINQ might be useful and appropriate in the following scenario: I'm writing a Windows Forms app that enables the user to search for a "client account". The client account is made up of a client number, plus a case number. A given client can have many cases. Here are two c...more >>

Sorry if this is the wrong forum, but wondering what you guys think about LINQ. We were architecting our enterprise Win app as WCF for the benefits of: - single place for business tier - thin client But those aren't incredibly strong arguments, since 1) ClickOnce makes client deploymen...more >>

Hello Group, I'm writting a Windows Services under C# to get some USB events. = Because the ServiceBase class does not supports the = SERVICE_CONTROL_DEVICEEVENT handler, I'm using P/Invoke to call the = RegisterServiceCtrlHandlerEx funtion, using a callback to manage the = needed handler. ...more >>

Hello, Newsgroupians: I've been looking on the Internet for some resources to create a simple drag-and-drop application, but they all seem too complicated or not what I need. I have created a Form with a ToolStrip that has a couple of buttons at the top. What I want to do is allow the u...more >>

Somebody has an example of how to export an image from my database. Sincerely, RT ...more >>

Hello! I am looking for a free outlook-style schedule control, to put it in a winforms application. Could anybody recommend one please? Thank you!! ...more >>

This is a very simple question, I have a number and I want to check if the number is between 2 integers. I can use 'if' to resolve this situation. But I am curious, if there is any other verbs that I can use in C# like sql 'between'? Thanks. ...more >>

I'm using the MaskedTextBox to make sure the user inserts a valid international phone number. I want to set the Mask property so that the user sees +49-__-____-____ in the text box. I set the Mask property to "+49-00-0000-0000", but because 9 is a Masking element the masked text box contain...more >>

1. Is this the correct code to have in toolStripStatusLabel3.TextChanged event to trigger another buttons click event? toolStripStatusLabel3.TextChanged += buttonRun_Click; buttonRun_Click(sender, e); 2. What the heck does this do? ...more >>

I have written a C# web service in Visual Studio 2005, to be used by InfoPath 2007 to retrieve and submit data. The web service works perfctly, but only after I have opened Visual Studio, opened the web service solution, selected the asmx file and viewed it in a browser. Do I need to add s...more >>

Hi, I work against .NET 2.0 using C# 2.0. I am facing a problem trying to serialize the class foo (given below). Basically, foo can contain other foos in a list. When I try to create a serializer, using the test() method below, I get a superb StackOverflowException. I googled for it but didn'...more >>

Hi, How Can I retrieve the CPU usage (%) and Number of the processors in my system? Thanks. naamala ...more >>

Hello, May I have a method exported as default on a exported COM interop from a C# dll using attributes? Thanks in advance. ...more >>