Hi... I know this will seem like a picayune question, but why is there a SetMinThreads but no SetMaxThreads on the ThreadPool class? Thanks _mark ...more >>

Hi, In C#, is it possible to obtain an object reference from a string representation of the object's name? for example, if I have a TableName = "TblName", and the dataAdapter associated with that table is called "daTblName", however, I will not know the TableName till run time. so at ...more >>

Hi, I'm fairly new to the .NET environment and to C#. I have a question which is probably very simple but at the moment I cannot see to find the answer... I have a Windows Form application and would like to trap the 'F' key presses which will then do things in the app. My question is 'How ...more >>

I'm using an Installer class to install my windows service. I want to configure it to log on as a user. When I did this, it worked at first, but after about a day it wouldn't work anymore. When I try to start the service it was complaining that it couldn't start due to a logon failure. I...more >>

I just recently finished getting my windows 2000 crtitcal updates, now I can't install the framework service pack 3, due to a missing installer component. Anybody know what the fix is? -- thx -jsh ...more >>

Using the above, I accidently turned the Permission Set for the My Computer zone to Nothing. I got the warning that the configuration tool itself wouldn't run and set it back again. Obviously I got distracted or something and didn't press Apply as now I can't run the tool or any ..NET apps. I...more >>

I'm about to start some development whose 1st basic release might be around july. I was wondering about using .NET 2.0, is it likely to be available as a final release at that time (begining of july)? ...more >>

When there is a statement in a windows form application which is executing in an infinite loop, the name of the form will show "Not Responding". How does .NET determine if the application is in an unstable state? I wonder if WMI is the right way to track the application? If so, what is the right way...more >>

Hi, I am a mainframe (COBOL) programmer. Recently - I started my course to get certification in c#.NET (MCAD). Coming from a Process-oriented language background I find it difficult to understand the concepts of object-oriented programming. What wud be the best books/websites/study...more >>

Hi there, I am facing a problem in my app which is a Windows Control hosted in IE through object Tag.But when I try to do WebClient.UploadFile method it throws SecurityException although i have done all the things i know i have to do 1. Strong Name the Assembly 2. Create a permission set a...more >>

I want to compare two datasets (of 2 datatables). I just need to know whether the 2 datasets are same or different. I do not want to know how it differs. (I would be nice to have though).. Is there any easy way to accompilsh this. Thanks ...more >>

Hi all, I just want to know the difference between 1. When i use objEmployee = null and 2. I inherit the class from IDisposable interface and implement Dispose method. Which is good practice and how CLR work in both the cases.. Thanks in advance Andy ...more >>

I have small problem with my project for Windows Ce, i'm using some threads and i'd like them to paint something on my form. The problem is, that only way i can do that is using invoke, unfortunetly in compact framework there is no way how to pass parameters through invoke. I was trying to cre...more >>

Trying to do a stored procedure in C# against Microsoft Access. I just want to do a simple select to do a lookup. Unfortunately all of the examples I can find are for SQL 2000 Server, and they don't seem to work in Access. I am very familiar with Data Adapters and passing parms that way. I...more >>

Hello all, Here is my delemma... Dim objProcess as System.Diagnostics.Process = System.Diagnostics.Process.Start(x) With objProcess .WaitForExit() .Close() End With Works great in most cases. It opens up the document in the associated program and waits for it to exit - ...more >>

Hi, We are implementing Data Transfer Objects (DTO) as Typed DataSets. This means that we would have multiple typed DataSet classes that overlap slightly, sharing tables between them. The issue with typed datasets is that it inherits from the DataSet class and hence a typed dataset class ca...more >>

I have a simple windows application project. It has a form which has 2 buttons. The project has a web service reference. The web service has two web methods Helloworld1 and Helloworld2 they both return "Hello world". Helloworld1 has a 120 seconds delay. One of the buttons on the form makes a...more >>

I'm creating a webpage to send an email, but I'm having a problem with page navigation, data entry and the validators. :< I cannot seem to get it right with the IsPostBack property I think. When I goto my page (http://www.pchenry.com/LaunchExtendedUrls/), enter in the information then clic...more >>

As I understand it, one of the purposes of making assemblies strong named is to stop the assemblies from being tampered with. How does this work? As a test, I did the following: -Created an Assembly called ServerApp, containing a single class ServerObj, which had a single function Calculate...more >>

I can see in the Assembly.CS file where you cna have .NET auto generated the version/build number that it tags onto the compiled DLL for a web project. How do I read the generated build number so that I can display the version of the web project on my ASPX page?? Im using C# and seaching acros...more >>

I have a Windows Forms Application that communicates with an embedded client using custom messages over a UdpClient connection. Everything was fine until the Windows machine was upgraded with service packs. After installing WinXP SP2 and .Net Fx 1.1 SP1, something started zero padding my mess...more >>

Hi All, This is my folder structre, WebAppln ---------bin ---WebAppln.dll ---------WebForm1.aspx ---------webform2.aspx ---------SubFolder1 ---------bin ----Add.dll ----E...more >>

Hi folks, I heard that nGen tool is use to generate the native code ,so that the response will be faster and there is no need for JIT to compile agagin to native code? What my doubt is ? Where the native code is stored? 2.How to specify the location of the native CODE to CLR ? 3.Are...more >>

How is 'as' operator better than explicit casting while casting to a type....more >>

HI All, Is there anyway to read Captcha Images ? I have to get the charecters that are placed inside the captcha images. Thanks in advance, Prasad Dannani. ...more >>

Hi I developed an app that seems to be running fine on Windows XP. My client how-ever, needs to run this app on Win98.. after installing Mdac and IE and .Net Framework 1.1, it installs on the 98 machine The problem however is that it is horribly slow on windows 98. My client complains t...more >>

I have to attach a client certificate with my httpwebrequest object. i found some articles in net both they are not working for me. Can anyone suggest the better way Thanks in Advance Prasad Dannani ...more >>

HI, I am using System.Net.HttpWebRequest object to retreive information from some sites through screen scraping. Can i read session values using these objects ? Thanks in Advance Prasad Dannani ...more >>

Hi, I read that to check for empty strings , comparing strings using String.Length == 0 is faster than String.Empty or "" . Is it true...? If so, how?...more >>

..NET is certainly the best thing to happen to RAD since the invention of high-level languages. The one thing I miss from the world of C++ however, is control over Windows message processing (or maybe it's in the .NET and I don't know about it, that's kinda what this post is about.) ..NET f...more >>

I have a couple questions concerning the inner workings of a System.Net.Socket class when doing asynchronous read/write operations. 1) When a program calls the asynchronous operation BeginRead(..., callback) or BeginWrite(..., callback), the reading or writing operation obviously runs on a ...more >>

We have run into an issue with a COM+ ServicedComponent What it does is allows us to store a file to a network share from a web application. Here is the code for the Save Routine: [AutoComplete] public bool SaveFile(string uncPath,string fileName, byte[] data) { FileStream nf; ...more >>

How do I get the HotFix for this KB article?...more >>

Currently I have in-house software package written around ActiveX(supporting VB and C++). We are moving to .NET and I wonder what (component technology) in the .NET can replace(?) the ActiveX? I am a novice in .NET. ...more >>

How do I get the HotFix for this KB article...more >>

I have been trying for several days to get .NET Framework 1.1 to install using the windowsupdate site. I get no specific error message but that the "update was not installed". I have to have .NET to install the latest AutoCAD 2006 software. I have scoured the newsgroups for info and every...more >>

I got exeption in production environment: A first chance exception of type 'System.InvalidOperationException' occurred in mscorlib.dll Additional information: Hashtable insert failed. Load factor too high Also I found article http://support.microsoft.com/Default.aspx?kbid=831730 ...more >>

Can anyone tell me why the below code to downoalds a web page doesn't work and it only downloads the below single html comment tag. ("\n\n<!-- Request Elapsed Time = 15 ms -->\n\n")? It doesnt happen to all URLs just the one is this sample. Is there some kind of redirect or something happen...more >>

Greetings. I have an application that I'd like to obfuscate. It has many .net assemblies. Upon obfuscating all of the assemblies and running the app, I get odd data output in some lists and fatal exceptions thrown when pressing buttons, opening certain forms, etc. The same code runs without exce...more >>

I am using VB.NET winforms application and want to use impersonation. This is my app.config file. <?xml version="1.0" encoding="utf-8"?> <configuration> <identity impersonate="true" userName="userName" password="password" /> <appSettings> <add key="LinkLabel1.AutoSize" value=...more >>

I currently have 1.1 on my desktop and need to install 2.0 for sqlserver 2005. I'll need the 1.1 framework to continue asp.net development. Can I have both 1.1 and 2.0 on my computers without problems? thanks....more >>

I need to read settings for another application for a very small application. The settings are stored in a text file, and this file is stored in the Windows directory. How can I retrieve the path for the Windows Directory on the local machine? How do I best read the settings in this file? T...more >>

I need to read settings for another application for a very small application. The settings are stored in a text file, and this file is stored in the Windows directory. How can I retrieve the path for the Windows Directory on the local machine? How do I best read the settings in this file? T...more >>

HI! Is it possible to implement the methods of an interface as private. For exemple, I have an interface : public interface ITest{ void MyMethod(); } I want to create a class like this: public class MyTest : ITest{ private void MyMethod(){ } } where the private method MyMe...more >>

Is is possible to write custom attributes for exception handling a function. Example: [ExceptionAttribute Enable=true] void Function(int intParameter) { << some code >> } If Yes, can you tell me the steps for doing it. regards subbu...more >>

Im trying to build an ftp class in VB.NET but i want it to be able to encrypt the dataport and commandport but i have no idea how to do it. does anyone have any clue how to do it? either code or a website explaining the procedure would help. Thank you in advance....more >>

I was thinking about the design of a plantform-like stuff that allow people inherit from my work and implement their own functions without source. But i don't know how to design my class to archieve this. I think plug-in tech can't satisfy it well. Because user only need realize one function...more >>

I have a .net website that appears to be timing out after about only 30 minutes The Web.Config file looks like the one below: I thought that the <timeout="480"> should give me 8 hours. What am I doint wrong? No timeout would also be OK Thanks for any help Walter *****************************...more >>

hi, I need to confine my mouse cursor to particular area on the screen. I used to use ClipCursor API in VB6. can anybody please suggest me its equivalent in .net framework if any ? I will be thankful to u for the same. sanjay ...more >>

I have a class I am using the RCW on which allows IE to use as an ActiveX object. The problem is that I holds onto the reference and locks the DLL. There does not seem to be any way of releasing it when IE is done with it. My client-side code is trivial: try { obj = new ActiveXOb...more >>