Hello experts, I used to program in Delphi and used TDataSet.State to check on the status of a database operation (Insert, Update, Delete, Browse). Now that I'm into C#, I would like to know if there is a property or class that exists and has this kind of behavior. Many thanks in advance. ...more >>

Hello experts, I used to program in Delphi and used TDataSet.State to check on the status of a database operation (Insert, Update, Delete, Browse). Now that I'm into C#, I would like to know if there is a property or class that exists and has this kind of behavior. Many thanks in advance. ...more >>

I want to create a new XML file from another XML file. The original file = will be stored on the hard drive and it is about 3mb. I do not need = everything from the original XML file so the new one will be much = smaller and easier to manage. I only need to do this when new data has = been added...more >>

Hi there, I'm making a call to "DataSet.WriteXml(string fileName)" and the call is converting all occurrences of "\r\n" to "\n" in the resulting file (for string columns in each of my tables). Is there a way to write the "\r\n" combination as-is or otherwise convert the "\n" back to "\r\n" ...more >>

I had given up on this for a while, but I am attempting it again. This is what i am using to store my treeview layout into a db, I am only using a few fields to make it easier to understand while I am attempting to restore it back into the tree. Text "Parent0", Level 0 Text "Child0", Level ...more >>

c#2.0 I am Calling the below Xslt.Transform(InputFile,OutPutFile); I get the Below Error when transforming a large file input file is XML , 2300 rows of data to Create the Input XML for xlst Transformation.... Has any body seen the below error and can point me in the right direction to solv...more >>

Hi. I have a C# program that fires an external VB6 program which writes to a file and terminates. It is ugly, but this is how I have to do it. I cannot change this part of the program. The problem I am encountering is that the former process created by this EXE is not complete (it runs ...more >>

I am in over my head I think, I've got my brain running in circles trying to figure this out. I'm using remoting with a client and a server. I need the server to raise events on the client and after doing quite a bit of reading I found what I think is the correct way. The article I read e...more >>

Hi, I'm attempting to code my own data access layer class; it's been about a month of coding, following examples, searching Wikipedia and UseNet, and my efforts have met with some success. Right now I'm implementing IList, but I may change it to a derived class depending on what I can do wit...more >>

Hello. I would like some examples on using OOP with dotnet developing tools (For VB & VC), please. Also what are the main difference of version 3.0 and priors (2 & 1.1). Need some samples, and tutorials please. Thanks :) ...more >>

Hi, I have 3 object of interest wich are objects in 3d space, surface,wire,point. they are all interconnected, and they all contain lists of objects they are connected to, eg each surface will have a list of wires, points, and adjacent surfaces. same for the others. building the lists so ...more >>

I need to add methods without subclassing to run time compiled assembly at design time so that reflection also works . I need to define single type methods in two assemblies. I created project1 containing public partial class Class1 { public string Test1() { return ""; }...more >>

Hi, What are the porposes of files with .axd extensions? Some say they are http handlers, then why not just create .ashx files? TIA ...more >>

We are using SSL to provide security to our web application we have created. But this shows a Security Alert Box every time any user logins. Can any one pls tell me how this can be avoided? The same security alert box does not come up when we login to gmail or some other secure sites. -- t...more >>

I have a requirement as follows I need to navigate to a folder X which contains numerous folders a,b,c etc. Each of the folders a,b,c have files withing them. i need to count the files in each of these folders and store the count in the database. If anyone has an idea regarding this cou...more >>

Hello group, I am building several Windows C# applications that interact with SQL Server 2005 databases. Is it possible to re-use the SQL "Connect to Server" dialog box? Alternatively, can someone suggest a good canned login form? I can build my own login form, of course, but would like to ...more >>

It is important to measure a performance http://gg08.net.cn/business3.htm Is it really important to measure a business performance? I think if you will even need to purchase someone's business, then you will never ask this question and the answer will be "Yes! Sure!", because if you do not ...more >>

Hi Is there a preferable way to write a C# dll that should be called from an existing application (running native code). It is not possible to change this application and its source code isn't available. The dll performs the communication beteween the computer and a external device (us...more >>

Hey there, What i know is that a delegate is a (address)reference to a method or a object-instance's method. But how can i have a reference JUST to a object instance? Is this also done by delegates? Thanks in advance, Dominik -- Dominik Gallus http://www.dgallus.de...more >>

does c# have a mod function tks ...more >>

Hi, is there anyone here who uses an ide other than Visual Studio? I use VS2005 (and just recently started using 2008) at work, but wondered if there were other (cheaper) alternatives. I think Visual Studio is a great tool, but as this (for me) is provided by my employer I can't technicall...more >>

All, What's the simplest way of a deployment of an application written in C# and using ADO.NET and MS SQL Server? I created a deployment project in the VS2005, aded it to the solution, configured, added the main project. The deployment project creates 2 files - setup.exe and MyApplicatio...more >>

How to call extension method using reflection ? I tried this code but methodInfo is null. Andrus. using System.Reflection; using System.Windows.Forms; public class Customer { } public static class CustomerExtension { public static string FindById(this Customer c, string id) { ret...more >>