Now I need to lock the selected records for some time and others can not update these records meanwhile. How can I do? any help will be very appreciated!! -- marxi...more >>

How To acess Adam from IIS server service provider... ...more >>

Please, I need a example about how to modify the app.config with the class ConfigurationManager. Thank you very much. ...more >>

Hi all, Can anyone tell me is tehre any difference between c# and C#.net any help will be truely appreciated. ...more >>

Hi there, I've got an "int" property in one of my objects that I need to conduct a range check on in a "PropertyGrid" (whenever the user attempts to leave the row). I know how to do this using the "TypeConverterAttribute" for user-defined types but I'm not sure how to handle it for built-in...more >>

Fred Read (postmaster@foxhouse.demon.co.uk) wrote: : He posts this drivel every week or so to a number of groups that : I subscribe to and nothing seems to stop him. *ALL* of his posts : are off topic and unwelcome to the groups he posts to. : We have complained about him to his postmaster ...more >>

I have added about 10 strings to a dropdown listbox. I would like to know how to retrieve a string based upon the index I give it. What member function do I use? Marathoner ...more >>

How do I use DateTime.Parse or DateTime.ParseExact to create a DateTime object from a string? I tried this without luck: string dateString = "27-02-2007"; // DateTime dt = DateTime.Parse(dateString); // Throws a FormatException exception IFormatProvider culture = new CultureInfo("fr-FR", t...more >>

How do I use DateTime.Parse or DateTime.ParseExact to create a DateTime object from a string? I tried this without luck: string dateString = "27-02-2007"; // DateTime dt = DateTime.Parse(dateString); // Throws a FormatException exception IFormatProvider culture = new CultureInfo("fr-FR", t...more >>

From: rji@cheetah.inmos.co.uk (Richard Ingram) Newsgroups: uk.misc Date: Mon Aug 14 10:08:32 1995 Some cencorship loving bore wrote : > In article <GEVANS.95Aug14094119@mvagusta.uk.tele.nokia.fi> gevans@mvagusta.uk.tele.nokia.fi (Gareth Evans) writes: > > His sysadmin is also next to use...more >>

Hello, We are trying to subclass the ListView control and have a collection of a class as the Items. Our implementation works at runtime. However at design time if the user adds elements, we can not see them in the visual studio designer. Any help would be appreciated. The class is Na...more >>

I have an enum with a bunch of names / values. This is nice as I can code using the names, instead of memorizing the values. But, let's say something gives me a value. Now, while my code is happy using a number, what if I want to display the name that this value means? Can I get the enum n...more >>

I have this code that always return zero whenever i passed 1,000,00 in a da-DK culture or en-US culture. It works with amount less that 1000 like 99,99. but always returns 0 when greater than or equal to 1000. Decimal separator is ",". I suspect its because the decimal and thousand separator are...more >>

I am trying this: SQL = "INSERT INTO GradeList (Date) Values(#01-01-2007#)" I get message "Syntax error in Insert statement". How to add date field in access database? ...more >>

I have a dataset that contains multiple tables, each with the same structure, and each tied to the next through a datarelation object. The number of tables in the dataset can fluctuate. I am stuck on figuring out the best way to use this structure to populate a tree view control. I've experiment...more >>

Hello all, is there a way to programmatically format a SD card? ...more >>

Hello... I posted this a couple of weeks back, but could't get a reply, so trying again! I use the Setup project in C# to create a .msi file to be distributed to the clients. The size of .msi is 12 MB. This file works fine on all the target machines, but on the development machine ever...more >>

(Sorry, I accidentally posted this to microsoft.public.dotnet.csharp.general, and I didn't mean to!) In the following method, a byte array is made, and then passed to Socket.BeginReceive. The byte array is local. But, presumably, Socket.BeginReceive creates a reference to it, so the byte arr...more >>

I see that static is more restricted in C# than in C++. It appears usable only on classes and methods, and data members, but cannot be created within a method itself. Surely this is possible in C# in some way? Or maybe no, because it is similar to a global variable (with its scope restricted) ...more >>

I'm writing up a sample program to teach someone the basics of database application design. I'm using the 2.0 framework and Microsofts default "pubs" database. What I'd like to do is create a simple app that connects to the database and allows browsing, editing, creation and deletion of books ...more >>

please tell me which collection variable (or something else) should i use to store and retrieve the following sample data... i have the following in drop down list1.. Asia North America when i select Asia...my second drop down should show... China India Mongolia now my problem is ..i...more >>

Hi all, I am looking for some sample codes in C#, in which, it can read a schema xsd file and use it to validate an xml stream or file. Ideally the sample will use XmlValidatingReader. TIA, JoeZ ...more >>

Is there a way to pass an object when including a class? For example... namespace testclass { public System.Windows.Forms.TextBox textbox; public class Write { public Write(string msg) { textbox.text = msg; } } } So when I call the following: using tes...more >>

I have been trying to create a class similar to SqlClient but one that prints sql statements instead of running them on the database. This way when I want to go into test mode I comment out the SqlClient class and comment in the test class. The problem I am facing now is I have to limit mysel...more >>

Hi, I tried all the options below but did not work. Your suggestions please. Thanks, Chitra G Sent: Thursday, February 01, 2007 4:59 PM Subject: RE: SessionEnding Event in Window Service I'm not an expert here, and I don't quite know what you mean by "save code c...more >>

Hi, I'm trying to connect to a sql db with my C# applciation but I'm having trouble to connect.. It said - Error accessing the database: Cannot open database "LibDB" requested by the login. The login failed. but I didn't create any username and password, so I don't know how to solve the pro...more >>

I have been experimenting with how to properly store objects into persistent application settings in user.config. I have read everything I could on MSDN (and elsewhere) and I have successfully stored objects of type String, DateTime, and ArrayList, for example. So I then tried an unbound Da...more >>

Hi, I'm learning C# and trying to write the program below, everything works fine until the last section: Console.Write("Would you like to play again y/n: "); again = Console.ReadLine(); if (again.ToLower() == "y") { ???? } else Console.WriteLine("GoodBye"); ...more >>

I have an abstract class "TestClass" in a project. In the project there are several icon files that are set to be an embedded resource. In the abstract class is a private method attempting to use one of the embedded icons. When I attempt to create the icon by using ctrl.Image = new Bitmap(G...more >>

I know that I have posted this question before, but it is still unresolved and I don't know where to turn to next. I have code that is creating a user (works fine), then sets the account flags (works fine) and then sets the password (fails). Here is the pertinent information: Ex.InnerExcept...more >>

I have a generic dictionary (lets call ChildCollection). I would like to ensure that whenever a child is added to this collection (SomeParent.Children.Add(new Child()), the parent of the child object is set appropriately. For some reason I would like to understand, the Add method of System.C...more >>

Hi , I have to extract a xml file line by line. Here is my xml Step1: <category name= "name" guid="{guid}"state="enabled"> Step2: <rules> Step3: <rule name="rule name" guid="{guid}" Step4: <\rule> Step5: <\rules> Step6: <\category> So I have to extract, only one step at a single time;...more >>

I am new to creating a windows application and have been asked to display an HTML page when a certain button is clicked. I have created the HTML page but don't know how to display it when the button on the windows application is pressed. Can anyone point me in the right direction. Thanks ...more >>

how to scroll a webbrowser control down a page, e.g. the same as if a user hit page-down? ...more >>

hi, i currently have a pretty large window that needs a minimum of 1280x1024 screen resolution so that it can fit on my screen. how do i make the window (and ALL other controls on the window) automatically adjust so that it is fully visible on any screen resolution setting? ...more >>

There are some adsl and dial-up internet connections on my computer. My application has some operations like ping, http request, ftp download etc. And i want to know which com port or which connection being used when pinging,downloading... ...more >>

Hi all From a C# program, I need to call an unmanaged (C++) dll. The dll fills an array with variables and returns that to the C# program. When I have a fixed sized array, this works fine by using the attribute [MarshalAs(UnmanagedType.ByValArray, SizeConst = 25)] The calling program do...more >>

Hi all In C++ there is a macro __DATE__ which gives you the compilation date. In C# I need a similar functionality, is this not possible? Cheers Bjarne Nielsen...more >>

Hi, Im looking for a linked-list like structure in C#. Im a C++ programmer that needs to make little module (TCP sockets communication) in C#. I need to attach a buffer for incoming data because i have to decipher incoming data and extract them into datapackets, and the forward them onto ...more >>

I have a multi threading application where multiple threads can read and write to the property. I try to avoid the lock statement on properties that hold none business critical data. I could create a special '_propertyLock' object for this none critical data but this could lead to more multithr...more >>

Hello I'm trying to build a function that retrieves the file in scope, meaning that i'm building a log and i want to write in it the curent file the debug is in. For example if i have a file called myClass.cs and a method GetTotal() i want to have : WriteToLog(string.Format( Function that re...more >>

hi all, I would like to be able to create an umbrella class for all my main global sections but I would still like to keep them all in separate file something like the below but I keep getting an error saying you are not allowed Multiple base classes. /// <summary> /// This is the u...more >>

These are the codes I created a document: _WordApp = new Interop.Word.Application(); _WordApp.Visible = false; _WordDoc = new Document(); _Missing = System.Reflection.Missing.Value; _WordDoc = _WordApp.Documents.Add(ref _Filename, ref _Missing, ref _Missing, ref _Missing); Th...more >>

Hi, I am developing a managed c# snap-in for MMC 3.0. According to http://msdn2.microsoft.com/en-us/library/bb226798.aspx, the start page should have smoothly expanding/collapsing sections. Unfortunately, mmc30_samples in WDK does not contain a start page sample. Do I have to derive the s...more >>