Hi, I have an app that write out form deatils to an xml file (e.g. its caption, size ect). Heres the xml output;- --------------------------------------------------------- <?xml version="1.0" encoding="utf-8"?> <forms> <form> <title>ddd</title> <height>138</height> <wi...more >>

I have an ASPX page that returns XML to the calling client. While the code below works, I don't think it's proper because it's not encoded as XML. I.e. special characters might screw things up. Can anyone please tell me the more proper way to do this? <%@ Page Language="C#" %> ...more >>

Hi, How can i tell when a form is minimizing or closing by use of the button in the top right of the form? thanks in advance ...more >>

Hi All, I have a small exe app ( basic a dialog box) that when lauched needs to "copy" some files in a directory chosen by the user (within the dialog). I cannot use an installation package because there are some particular tasks to be done from the exe. Anyhow I was wondering if it possibil...more >>

I'm writing a library to provide plugin capability to my applications. It does this by loading DLL's into a new AppDomain for each plugin that is loaded. Now obviously when I write a plugin, I can make sure that my plugins don't throw any exceptions. But I certainly can't guarantee that o...more >>

Title says it all. Here's code to show what I'm trying to say: public class ClassA { public delegate void MyDelegate( ); } public class MainClass { public static void Main( ) { ClassA classA = new ClassA( ); classA.MyD...more >>

Hi, I read something about pyparsing, lex and yacc. What are they? Is there some example for C#? I'm interested in data parsing but don't know how to approach this issue. Thx ...more >>

Hi, Please read carefully before assuming that this is the same old question about string concatenation in C#! It is well-known that the following concatenation produces multiple immutable String objects for each statement: String a = "a"; a += "b"; a += "c"; a += "d"; However, I ha...more >>

Hi This is my simple code: public Form1() { this.Size = configFile.getSize(); this.Location = configFile.getLocation(this.Size.Width); this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing); InitializeComponent(); } When the size and location is s...more >>

I'm trying to set a level of abstraction in an ASP.NET app. I've created an object with properties and methods that I instansiate just after the class declaration. As I'm debugging this code I find that on postback the object is re-instanciated, wiping all the property values. A simplified ver...more >>

Hello, float.parse(MyString) seems to work to convert a string to a float, but how do I change it back? e.g. (string) (Myfloat1 - Myfloat2) doesn't seem to work. ...more >>

What is the correct syntax to detect whether a DataTable Row.ItemArray element is a null value? using: if (row.ItemArray[i] == null ) does not seem to work. Thanks, Keith ...more >>

What's wrong with this? if (bool)(UserIDs[i] == ThisUserId) { return true; } ...more >>

Is there any alternative to display the message in ASP.NET, ithout using Java Script code From http://www.developmentnow.com/g/36_0_0_0_0_0/dotnet-languages-csharp.ht Posted via DevelopmentNow.com Group http://www.developmentnow.com...more >>

What I want to do is this... public class c1 <T1, T2> where T1 : new() { private T1 at1; private T2 at2; public c1() { at1 = new T1(); at2 = new T2(); } } but I can't make the new() constraint work...more >>

Hi all I used to work with VB, and now I am trying C# and can't get it start for example in VB Dim Items() as tItems dim NumberOfitems as long obj.GetAllItems(NumberOfitems, Items()) for i=0 to NumberOfitems y=Items(i).ID x=Items(i).Name next in C#: using ComObj; ComObj.cls...more >>

Hello, I have a AxWebBrowser control. I need to be able to display to the user what the browser is doing (loading, downloading, done, etc...). I used this event: private void TestWebBrowser_StatusTextChange(object sender, AxSHDocVw.DWebBrowserEvents2_StatusTextChangeEvent e) { ...more >>

I have a column in a DataView that contains NaN. When I attempt to Sort on this column, I get: MESSAGE: Index was outside the bounds of the array. SOURCE: System.Data STACKTRACE: at System.Data.Index.Sort(Int32 left, Int32 right) at System.Data.Index.InitRecords() at System.Data....more >>

Is there a way to create a shared lock using the Monitor class or any other synchronization class in .NET? So I have one resource that may have multiple threads using it at once but a second thread that when called must have exclusive access and cause the other threads to wait. I can't figu...more >>

Hi All, I am developing a program in VS 2005. Does anyone know what are the things I need to lookout for to make this program compatible with upcoming Vista? Thanks. ...more >>

How can ISS/ASP.NET best be configured for development only. In other words what settings can be used to make the computer the development is done on as secure as possible but still able to serve webservices and webapplications to the developer. The developer also has to debug. Is there a...more >>

I'm working with Clone() for the first time, and noticed that you have to unbox the Clone of an object that implements ICloneable: MyObject var1 = new MyObject(); // Where MyObject implements ICloneable MyObject va3 = (MyObject)var1.Clone(); Does anyone know why the 2.0 framework doesn'...more >>

I've noticed that the media player window takes up the same percentage of the screen regardless of the screen resolution, it's dimensions aren't fixed in pixels but it takes up a set proportion of the screen. This is exactly what i'm looking for in my simple form project i'm trying to write. ...more >>

I've followed 2 very similar tutorials on creating a windows service and an installer. But, after successfully compiling it, I try to do the InstallUtil command, but I get a badimageformatexception. I tried to do some searching on that exception, but all I could find was a small blurb on MSs s...more >>

Hi, I have created FTP class file in c#.net. When i try to access FTP server (on Windows XP) through command line or browser, i am easily able to access it. but when i try it through my code, i log in but am not able to make connection sockets. it does not allow me to download files. i try c...more >>

I'm reading up on Visual C# and chapter 14 is introducing me to the ..net framework... I'm a little curios it says that one of the function of the CLR is to protect users from malicious code... Q. How does it do that? Q. What does it define as malicious code? For instance a program that ...more >>

I keep reading about this vTables and it's killing me because I am not sure what they are. I have a feeling that vTables are used when you override virtual methods or properties but I really have no idea. Below is an explanation of what I *think* vTables are. Please consider the following two ...more >>

In Visual Studio 2003, when i debug a C# program, I found: 300L * 10000000l -1294967296 int 210L * 10000000L 2100000000 int How come? a long type can not handle 300L * 10000000l, the result is too big for long type? Thanks! Ryan ...more >>

Thanking you in prior order to receipt of advises but anyway it so is. By way of my most important task, my employer has asked me to see it makes a database with C#. According to some it whereupons that .NET has a duality in the expression of the framework of Mono. Is it that the framework o...more >>

Hi Need to produce a Doc with no encoding info. Is there anyway of doing this? Thanks Bob i.e. <?xml version=\"1.0\" ?> ...more >>

exception: "System.Data.OracleClient requires Oracle client software version 8.1.7 or greater." fails at connection.Open(); (connection is System.Data.OracleClient.OracleConnection) What i'm i missing? many thanks in advance JJ ...more >>

Hi, I have to draw a real time chart in which I have several entries at the same second (i.e. HH:MM:SS:Milleconds) The charting component only takes julian date for drawing the dates. I am not able to convert the normal C# DateTime to juliandate which takes milliseconds along with hour,minu...more >>

I'm using this code to get a blob from sql database, and put it into picturebox, but I don't know how to load it into picturebox. Code: sqlConnection.Open(); System.Data.SqlClient.SqlCommand LogoBLOBSelect = new System.Data.SqlClient.SqlCommand(); LogoBLOBSelect.CommandText = "dbo.[Log...more >>