Folks, While the downloaded examples (for this book) seem to have been created with Visual Studio, all examples come with only a RESX File and a C# Source File. So, without solution/project files, how do I run these examples ? Regards, CLR ...more >>

Hi! How can i make the .net applications run faster on user computers. I have used .net a lot and proagrammed int it. But the applications developed using ..net framework are very slow when compared to other progrmming tools like VB6. ...more >>

hi, i just got a web host with asp.net , seemed really cool. aspx with the c# or vb IN the actual main page run fine, but when i use codebehind and make another source file ( a .cs) to go with the aspx (as you would realistically) I get this : Details: To enable the details of this spec...more >>

hi there, i am writing a program with LOTS of textboxes in it.. my problem is when i try to clean the textboxes with foreach it gives error.. heres how my code looks like: private void ClearText () { foreach (textbox t in this.controls) { t.text = "" } } ...more >>

Does anyone have code to access the computer's mac address (C# or managed code that could be p/invoked)? Thanks in advance, Joshua Moore ...more >>

All, I am interested in reading the text of a web page and parsing it. After searching on this newgroup I decided to use the following: ******************************* START OF CODE ************************ String sTemp = "http://cgi3.igl.net/cgi-bin/ladder/teamsql/team_view.cgi?ladd=teamkn...more >>

Greetings, I have a question about interfaces and inheritance. We are going to create X number of classes that are going to doSomething (see below) cool with typed datarows. I optimistically (stupidly) created an interface class (iFoo) for all the usual reasons. I then though each imple...more >>

It must be top level. I can not write components with this version of C# (less than Professional). I do want a non-resizing border. I kept looking for a "ShowTitlebar" property (or something like that), but never found it. Do I need to write a control? That would not let me have the layout o...more >>

I have thought that you can disable a set or a get when you override a virtual property. I guess that I was wrong. The code below compiles and doesn't throw the exceptions that I have expected. It calls the base accessor. using System; namespace Test { public abstract class Meta...more >>

I have a project that is becoming complex, involving several namespaces that each include several classes. Does anyone know if it's possible to create separate folders in the project display of the solution explorer for each namespace? ...more >>

Hello experts, Currently I am working on a web application using vs.net with c#. One of the project task is creating invoices. After the invoices are created, the user needs login to a government website and enter the same invoice information again. Since the information entered to the ...more >>

I'm trying to display a field from a datarow like this: DataRow[] myRow = DS_Urb.Tables["Urb"].Select("Code = 'MyCode'"); // it returns at least one row MessageBox.Show (myRow[0].ToString(), urb); But I get "System.Data.DataRow". How can I display field "Name" ? ...more >>

Hi all, I have had problems when I try to insert UNICODE characters through of Windows Form into the SQL Server. Instead of the correct characters, it is replaced by '?' symbol. For example, the string '?????' is saved as '?????'. The most strange fact is, I have 3 forms to enter the data and ...more >>

I installed visual studio 2002 (aka 7.0) enterprise architect, then directx 9.0b. Directx acted like it was installing .net extensions, but I when I open someone else's (tested and working) code, I vs tells me that all the Microsoft.Directx namespaces were not recognized. Does this have anyth...more >>

Couple of questions relating to boxing. Firstly, I already know that boxing is the processing of temporarily copying a ValueType (e.g. struct, enum) to the heap so that the system can treat a value type like a reference type. However, I have some questions relating to implicit boxing: 1. If I...more >>

Hi, How can I grab to a specific element value into a string dicitionary ? Let's say we have an string dictionary which is full and on a specific row want to grab one of the item. I found "ContainsKey" method but when I write (within a foreach loop): if (myStringDicArray.ContainsKey("Contr...more >>

Hi every body Well lets assume that we are making a windows application project and I have a datagird which will contain some data 1) well I can make a command object and give it a query in C# and execute this command so that the datagrid gets its data. 2) and I can make a Query in the MS Acce...more >>

I have a C# database app (someone else's code) that started crashing when I changed some values in a data table. If I use numeric data in this field, it works OK. Changing to non-numeric strings causes Oracle's ORA-01722 error (invalid number). I know what is wrong, but I don't know how to fix t...more >>

Sami www.capehill.net *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

In framework 1.0, In my Windows application in the breakpoints I add to one of the classes, I get this message: "The breakpoint will not currently be hit. No symbols have been loaded for this document". The only thing I did (that I remember) was change the name of the solution and modify the ...more >>

Hi, can I have two lines with different colors in Windows ListBox control? Thank you in advance, Cheya...more >>

I have a vb6 app that I want to convert to .NET but in C#, Is it possible to do that or will the project convert to VB.NET automatically? thx ...more >>

I have two web applications on the same server: http://localhost/ModemUpgrade and http://localhost/TestFormAuth The web.config of ModemUpgrade: <authentication mode="Forms"> <forms name=".cuid" loginUrl="http://localhost/TestFormAuth/MemberLogin.aspx" path="/"> </forms> </...more >>

Hi All, I am running into an exception with my Multithreaded App. (This app is derived from IServicedComponent). I am calling a method with ThreadPool ThreadPool.QueueUserWorkItem(new WaitCallback(Foo), stateInfo); void DoSomething() { ManualResetEvent[] manualEvents = new ManualResetEv...more >>

Is it possible to mix code meant for the CompactFramework and code meant for the standard framework? We are trying to make PDA and light-weight "laptop" versions of one application. This means a lot of functionality is identical (or at least similar). As the compact framework is a subset (cor...more >>

I have a site www.careermetasearch.com and we have a username and login section to post jobs and enter in resumes. My developers are really busy so I thought I would help out. We were having problems when people would enter in their username and password and it wouldn't let them in. I went i...more >>

This should be *so* easy! How do I convert a Byte or int to a binary string representation in C# In JavaScript, it goes like this for an int: javascript:(123).toString(2 or javascript:(0xFE).toString(2 No problem. So, how do I do the same in C#? What simple thing am I missing CS...more >>

My Solution has three different projects: GUI, Api, Match. Project GUI includes a reference to Match.dll and Project Match includes a reference to Api.dll . Project Api doesn't include any references. Technically, GUI calls on classes/methods in Match, and Match calls on classes/methods in Api. ...more >>

I am following a msdn example as below. The serialization works but I can find no example to deserialize the item I write out. Will someone point me to some code. thanks private void SerializeObject(string fileName) { XmlSerializer xmlSerializer = new XmlSerializer(typeof(OrderedItem)); // ...more >>

I red MSDN article of C# 2.0 this week... and i found very strange syntax for properties e.g.: public int MyIntValue { get { // ... } protected set { // ... } } .... Is this syntax defined and obligatory? Maybe it's not only my feeling that aboved syntax is no...more >>

I am trying to make it so that I can use: using owc10 in my csharp page. I created a set of .dlls with aximp.exe. I tried to drag them into c:\windir\assembly but windows xp pro. complains: The located assembly 'OWC10.dll' is not strongly named. What am I doing wrong? Thank you f...more >>

Hi, is there a way that i could dynamically load a managed dll (written in C# as well) and use the classes, interfaces and in general, use it, as I would use a C# code file? And how could I do that? Thanx in advance, Peter ...more >>

Recently I've encountered two highly annoying bugs in the framework, anyone who knows how to solve them would be most appriciated. 1) I'm trying to do Process.Start(url); and get a Win32Exception, after quite a bit of testing I found out that the reason for this is that I didn't have STAThr...more >>

Hi, I'm writing a WinForms app in C# which requires a 3rd party executable called htmldoc.exe in order to create PDF documents from HTML files. To prevent the app from not functioning if the user accidentally deletes this file, I'm investigating the possibility of making it an Embedded Resourc...more >>

Hello, I want to hide cursor in textRichBox. Default the cursor blink if you click on richTextBox and I want to disable this feature. I need to make something like Adobe Reader, so textRichBox as readonly but the text can be selected, etc. Any idea? ----== Posted via Newsfeed.Com -...more >>

Hi, I want to create a class (named "classA") in which a connection to a database will be built. In another class (named "classB"), an object of the "classA" is created and data are retrieved from the connection of the object of the "classA". But in C#, we never need explicitly destroy an obje...more >>

Hi, I have following problem: Operation must use an updateable query I have use OleDb, C# and ASP.NET and MS Access DB named pubs. Code: private void Button1_Click(object sender, System.EventArgs e) { @OleDbConnection thisConnection = new OleDbConnection( @"Provider=Microso...more >>

Hi All, I planning to write a Magnifier Application in Visual C#.NET. So when I move the window on some Image it should work as a lens like magnifying it. Any suggestions on what should I use. Do I have to use a picturebox control or is there any other control which will do this task for me?...more >>

Anybody out there know of a way to read a text file starting from the bottom of the file then going backwards line by line? I am reading large log files in which the data I'm looking for is always near the bottom. I would like something like: StreamReader sr = new StreamReader("MyFile.txt...more >>

i want to a Window application, and which event will be fired if Windows shutdown without closing my Window application? i want to to capture the event and do something. thanks! regards, mullin ...more >>

When I run the following code public DataView CreateLocationDataSource() { string locationConnect = "Provider=\"MSDAORA.1\";" + GetConnectionString() + ""; string locationSelect = "SelectDescription from Locations " + " where Location = " + "'" + locationLabel.Text.ToUpper() + "'"...more >>

Is there an option in VS IDE which can be set for automatically fixing of C#'s case sensitivity typing errors? Ex. if I type getLength , I want VS to convert it into GetLength. Thanks ...more >>

I am writing an C# program. I call a method on a COM object that returns Object. I don't know the type of the object (and reflection just says its a __ComObject), but I know there is supposed to be Controls property. How can I call the Controls property without knowing the type of the object? ...more >>

.... speed up Fill() method of SqlDataAdapter? It's very slow. I'm just executing 'sp_tables' procedure on SqlServer and the performance is poor ... ...more >>

I have a C# program which terminates prematurely, with no error or exception being raised, the termination point varying with what diagnostic code is present. The termination point appears to be consistent between runs when the source code is not changed & recompiled between runs. The code is...more >>

Howdy I need to create an instance of a subclass of one of my classes, but I won't know the name of the subclass until runtime. How can I create an instance of a class when all I have is the class' name in a string Also, these subclasses will be uploaded to a website (by clients) and used as pa...more >>

I have a class as: public class a : { private float m_b; public float b { get { return m_b; } set { m_b = value; } public float compute() { //***************************************************** //This method ...more >>

Hello, I can convert the images now and view them in paint and in de preview window from microsoft windows xp, but I can't open the images(gif, jpeg, ...) in fireworks and photoshop. Does anybody know what I do wrong? Bitmap bmpHulp = new Bitmap(strFileToConvert); Bitmap mybmp = new Bitm...more >>

Hi Topic 3.21 in <http://www.idesign.net/idesign/download/IDesign%20CSharp%20Coding%20Standard.zip> claims the following "Release build should contain debug symbols I wonder why. Doesn't this make the executable larger, and slower Thanks Tom....more >>

Hi I'm reading the C# coding standard and I don't understand the following item (38) 38. With delegates as class members a) Copy a delegate to a local variable before publishing to avoid concurrency race condition What is the reasoning here Thanks Tom...more >>

H I have a requirement where i need to encrypt the data using 3DES in C# and pass on the data to the Application server where i need to decrypt the data. The application server is a Unix Box running the java components There is a type mismatch between the byte datatype of C# and java, as C# is on...more >>

I have come to C# via VB6, and our VB6 apps all had the following header in every class/module/form etc '************************************************************************** ' '* $History: clsDooHicky.cls ' '************************************************************************** ...more >>

Hi, Here is a small example function. What I would like to know is when I should be using null: private bool MyTestFunc(string Message) { StreamWriter sw=null; string str=null; sw = new StreamWriter(FILE_PATH,true); //Do some stuff with the SW str = String....more >>

I am create an generic class for Database access using these interfaces. I run my program with the idea of IDbConnection and IDbDataAdatper without any problem in single table. But since IDbDataAdatper's Fill method only takes DataSet as parameter, so I can define my table name in the dataset fo...more >>

Hi everybody, But what I am trying to do is like, there are 2 forms, and if I click on the button in form1, it'll open up form2 and disable the button in form1. Then when I click on the button in form2, it will close form2, and then enable the button in form1. Could you please give me some hints...more >>

Hello, I need to know how I can check if the drives on my machine are network drives and local drives via the .Net framework. For example my PC has the following drives C: Local D: Local N: Network S: Network I want to get the information regarding 'Local' and 'Network'. Thanks,...more >>