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install .net studio in your computer and go through the documentation and tutorials.
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You're already on the best site on the web for C# articles. Between this and MSDN, you have all you need. In addition, I recommend Inside C# by Tom Archer ( it's a book )
Christian
I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
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I am recording visitor information to my site at www.mctainsh.com. By giving them a cookie I am able to see if they come back. (C# cookie code below).
HttpCookie x = new HttpCookie( "XXX", "UniqueString" );
x.Expires......
Response.Cookies.Add( x );
I would like to know if it is possible to detect if the browser accepts cookies without having to read this cookie back again to check.
I would like to do this so that I can see what the 2 visitors is get a day are interested in, without recording details of the 20 search engines that visit each.
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John McTainshz wrote:
browser accepts cookies
You mean browser support cookie or you mean does it enabled in client? Check HttpRequest.Browser properties to see if browser support it. If you want to do the other thing the way I know is to check it again like the thing you said yourself
Mazy
"A bank is a place that will lend you money if you can prove that you don't need it." - Bob Hope
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What on earth for ?
Christian
I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
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This is to help people understand delegates better in Abdul Azeez's article. (See that article under C# Articles - about delegates and events).
I found a bunch of mistakes in the article. First:
1. In your example for a Single Cast Delegate, you passed a function without an object reference, you created the object too late, and you used "this" in a static function (which is illegal and makes no sense). The correct code is:
TestDelegateClass tdc = new TestDelegateClass();
MyDelegate mdg = new MyDelegate(tdc.MyFunction);
Boolean f = mdg(tdc,1);
2. You state that in a Multi-Cast Delegate, that the MDelegate points to the head of the list. (You even have a diagram showing a delegate with Fn1,2,3,4 and pointing to Fn1) This is impossible. That is how a usual list works, with ".Next". However, the first delegate in the list has no information about the next delegate. If the multicast delegate pointed to #1, and then you "popped" that function off the stack, you'd be left with no reference to #2, as there is only a .prev, and no .next. In fact, if you look in the "locals" window (or "watch" window) you'll find that the Multi-cast delegate points to the last delegate which in turn has a reference in it to the second to last, and so on up the line. So the digram should look like this:
MultiCast Delegate
---------------------
MCDelegate1
MCDelegate2 ^
MyMCDelegate ------> MCDelegate3 ^
Those "up" carrots mean that the delegate is pointing (i.e. holds a ref. to in their "_prev") to the delegate above.
If the MyMCDelegate pointed to MCDelegate1 (which it pops first), then it would have no way of knowing what's next, because it would be pointing to nothing. Further, it wouldn't know when to stop, since there would be no field to say "null" or stop. So instead, MyMCDelegate "walks" up the list (through the "_prev") until it hits a null value in "_prev", and pops them off until it gets back to the head where it started.
Hope this helps!
DM
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Anonymous wrote:
This is to help people understand delegates better in Abdul Azeez's article. (See that article under C# Articles - about delegates and events).
I found a bunch of mistakes in the article.
I'm confused. Why did you post this here instead of in the article, where people can see it and the author is bound to read it ?
Christian
I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
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http://www.csharpindex.com/articles/2001/01/MiddleTier.htm
HERE
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hi there,
I build an application with Visual Studio .NET (C#) and after I build this project as Release application and after I move the .exe file on other machine don't runs
I try to build an setup project with dependencies but  don't works
what can I do?
thank you
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hi
Of course, it doesn't work! Any Visual Studio .NET programm requires CLR and JIT (common language runtime and just-in-time compiler). This is an environment which manages objects running in such programmes. You must install this environment on given machine. I am not sure, but try to execute Setup.EXE from update directory of .NET Studio installation disk.
best regards,
Petr Valach
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The other computer requires the .NET runtime[^]!
"We will thrive in the new environment, leaping across space and time, everywhere and nowhere, like air or radiation, redundant, self-replicating, and always evolving." -unspecified individual
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Please someone explain me about:
1. ActiveX dll's get registered in the registry. How about c# dll's?
2. Is it possible to invoke a object from a dll sitting on another machine...
something like we use in VB
ex. set obj = Createobject(progid, machinename)
I am sorry, if I my questions are meaningless. Please be patient and explain me so that I can understand.
THanks in advance.
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All CLR Asseblies are self-contained, meaning that all information is stored within the Assembly itself. COM objects store information in the registry as well as in the objects type library. C# and all other .Net languages store information in the Metabase which is stored in the dll itself. This is why we can't do late binding with .Net languages.
If you do need your DLL registered as a COM object so that you can use it in other languages such as VB6 or Delphi; there is a utility that ships with Visual Studio.Net that will create a type library for your objects and register them in the registry.
You can find more information on this process in the Visual Studio help files.
Hope this helps you.
-V-
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I notice in a lot of C# code that "this.SomeVar" is used when the "SomeVar" could be called directly.
I removed the "this." from a WebApplication and it seemed to work OK 
What is it doing and why is it here? Is it the same as the C++ "this->"?
Thanks
Note I only used C# for a day so if this is a stupid question I am sorry.
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My code looks like this (before cleaning, anyway) because I usually manage to forget the names of member variables. Typing "this." brings up a list of member variables, letting me search for my member variable's name without having to change my place in the code. So, short answer - laziness - at least in my case
--
Russell Morris
Georgia Institute of Technology
"Lisa, just because I don't care doesn't mean I'm not listening..." - Homer
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Hi!
The [this] keyword is used so that you can refer to a member variable instance without accidently calling another variable by the same name. Take this example:
class MyExample
{
private string value = "";
public string Text
{
get
{
return this.value;
}
set
{
this.value = value;
}
}
}
Now personally I would not have written code like this, but there could be a time when something similar occurs. In this example, value is the variable name sent in though the Text Property and can't be renamed. Since I have an internat member called value, the only way that I can communicate with it is with the [this] call, which tells the compiler you were talking about the global instance and not the system local instance.
Using the [this] statement is not required by any means, but can help tell other developers that you are:
A. Using a member property and
B. There can not be a conflict in local naming.
I hope this helps.
-V-
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I have an a final Assignment due for a CS140 course and I really need some help. My professor puts the assignments on the web and the URL for the one I'm having trouble with is: http://www.hello-world.com/MC/CS140/Assignments/A8_sort.htm. It involves having to sort 8 names. I can't get my program to print out an array at all. I'm getting a variety of errors too. If anyone could help me, I would really appreciate it. I'll email you the work I've done so far. I'm kind of desperate here since the assignment is due BY December 18, 2000 so can someone PLEASE help me. Thanks!
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Okay i have not looked into this, but i figured maybe
someone else has. Will we able to embed C# directly into
ASP pages, like we can embed java into jsp. If so
will ASP have a servlet analog like jsp does.
I am learning jsp now and find it pretty easy, so i figure
if C# is able to do the same thing as java does for JSP
then it will make asp easier. I dont mean raw asp, i mean
have a strongly typed language for asp.
thanks
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Actually any language that is supported under .NET will work within ASP+ pages. This includes both Microsoft's C#, VB (no more VBScript, you get the whole thing instead), and Javascript. Also many other third parties are working on other .NET compatible versions of their languages (such as Cobal, pascal, Fortran, etc.).
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And to note another part to his question...
As required by the CLR Specification, all DotNet languages are strongly typed, so ASP.Net will act like your JSP.
-V-
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Can I create custom user interface in C#, for instance like MS Office2000, similarly as in Visual C++.
Mike
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Mike,
C# is a language, so it really doesn't define what you can and can't do as far as interface design. Microsoft with the .Net runtime has made all programming languages equally powerful, so anything you can accomplish in one language, you can reasonably expect to accomplish in any other .Net compatible language.
Microsoft is pretty hard-core about C#, so to answer your question, yes, you can make sophisticated UIs like you find in Office in C#. You can also make those UIs in VB, in Cobol, in Eiffel, etc.
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Hi Mike,
If you are talking about writing a Windows Program than you just need to look up examples on System.WinForms. Since Microsoft is only documenting DotNet in C# you should be able to find lots of information on this.
-V-
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I am dying to get my hands on the C#. My question is whether the latest or up coming installments of MSDN Universal Subscription will have beta version of C#.
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