I'd like to provide my client an application which will stop working = after a certain number of days have passed since the first invocation = (trial software). Any ideas on how to make this work even if the user = changes the system date? --=20 Please remove all UPPERCASE letters in the repl...more >>

So now that MS04-004 is out breaking the ability to pass in a password/username through the URL how can we pass in a username and password using SHDocVw in c#? I'm launching IE like this: http://samples.gotdotnet.com/quickstart/howto/doc/Interop/TestClient_1.aspx http://www.codeguru.com/cs_we...more >>

Hi, We have developed a distributed system that uses multiple .NET remoting servers hosted by Windows Services. However, the single server used for performing all database access using ADO.NET has very poor performance when using the 'Release' version of the assembly. When using the 'Debug' ve...more >>

Hi, We have developed a distributed system that uses multiple .NET remoting servers hosted by Windows Services. However, the single server used for performing all database access using ADO.NET has very poor performance when using the 'Release' version of the assembly. When using the 'Debug' ve...more >>

the following codes are error occurs. basically, I set a breakpoint at BuildingTN, I trace it, and it come up my intended table, but when I run the program, in my component cobInside, it always displays somethings from my other table. DataSet ds = officeAux.DSource; officeAux.DA.Fill(...more >>

Hi All, I have a winformcontrol which is loaded using the object tag in a html page which only appears when I load the page using localhost, if I used my machine name or www.mysite.net which is also linked to 127.0.0.1 in my hosts file the page does not appear, The control has a strong name. I...more >>

In one of my books called "Mastering C#" there is a statement that reads "All event handler delegates must return void and accept two parameters. The first parameter is an object, and it represents the object that raises the event... The second is a parameter that is an object of a class derived ...more >>

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I want a webservice to get data from a c# application To be more exact :i have a working c# video capture program(uses directX) and i want the webservice to get the captured data if a webclient requests an updated image snapshot. Both the webservice and the c# run on the same PC. I think it...more >>

Hi that line gets me a unrecognized escape sequence error string s = "\"C:\Documents and Settings\Darren\My Documents\Visual Studio Projects\shorcut\bin\Debug\shorcut.exe\" /r"; regards Darren...more >>

Hi, Did somebody hear is it possible to scroll a very long DataGrid on the WebForm in a separate subwindow or somehow else? I have a very long DataGrid but I don't want to break it into many different pages using a paginating feature. It seems better to me to scroll it keeping the header of th...more >>

hi iam righting aprogram that creates its own desktop shotcut and a want to add a command line switch so i want to have a string like this "C:\Documents and Settings\Darren\My Documents\Visual Studio Projects\shorcut\bin\Debug\shorcut.exe" /r" my problem is how do i get the single " q...more >>

Hi all! I've been playing a bit with Component Designer in Visual Studio.NET. Seems to me like a great way to build simple data access components using "point and click". However I can't figure out how to make a component made this way into a component with transactional support which can be p...more >>

When i try to create a generc class public class myclass<T> { } microsoft .net does not recognize the token <> I have the message: ---Invalid token in class thanks ina dvance faris_elias@hotmail.com ...more >>

Hi, Up until now I have only developed relativly simple .NET solutions where the app could run on a single box.. Could anyone direct med to some articles/books/best practices for developing/deploying scalable clustered .NET solutions...something like 5-7 HTTP front machines...connecting to ...more >>

I am trying to mark an override method in a derived class as obsolete using the ObsoleteAttribute. The compiler, however is not picking up this attribute and is not generating a warning or an error. Sample code is below: If I put the attribute on the static method DoSomething() in the main c...more >>

Does anyone know of a concise article that covers string manipulation, such as insert, join, pad, etc. Thanks, Jim ...more >>

Hi Folks, I wondered if anyone had any suggestions how you could use C# (.net) to create midi programs (recording, playing midi...) Rein ...more >>

Hi, I would like to assign the DisplayMember property of a ComboBox (Windows.Forms), in order that the ComboBox will show a concatenation of two table columns. Is it possible? Thanks, David...more >>

Lets say you open visual studio .net and do the following uint s = 100 s. // This now gives you all the methods avaiable to this object. And underneath the methods signature, there is a short description of what the method will do. My question is, when making my own classes and methods, how ...more >>

Hi everybody, I like checked exceptions as provided by Java. No, I don't want to start a thread on that, but ask, if anyone knows of a tool for that. It may be stand-alone, but being plugable into MSVS would ease its use, I guess. Many thanks in advance and best regards Franz GEIGER ...more >>

I was wondering if is it possible to create a program with c# without ..net... i mean, something like basic C, only pointers, notion of ints, shorts, etc... everything unsafe with C#... Once C# is a standard, is there any possibility to create something like this? Maybe a compiler other tha...more >>

hi I wrote a class like this.......in my application. public class cls { [DllImport("some.dll")] [return : MarshalAs(UnmanagedType.Bool)] public static extern bool myApp ( [MarshalAs(UnmanagedType.LPStr)] ref string aa, [MarshalAs(UnmanagedType.LPStr)] ref strin...more >>

Everyone I have been spending weeks looking on the web for a good tutorial on how to use regular expressions and other methods to satisfy my craving for learning how to do FAST c-style syntax highlighting in C# but I have yet to find anything useful I know there are people at MS that know this s...more >>

Hi , I would like to know if it is possible to 'build' the TCP header with Source port / destination port , and with FLAGs i.e. SYN flag , sequence etc. I know this can be done in C++ of course , question is if it is possible in C# , o r it is too low level for it . if it is possible , plea...more >>

Dear all, How can I have a multi-column combo box, that means more than 1 display member ? Thank you. ...more >>

Hi I'm working on a project with a non-rectangular form. I found that if in the form constructor I define a region, say GraphicsPath p = new GraphicsPath() p.AddEllipse(20, 20, 200, 200) this.Region = new Region(p) I get a shaped form with no non-client areas which is exactly what I want. ...more >>

i have little knowledge of socket programming, but what i know is that using sockets we exchange text between endpoints of the socket but first we convert the text to array of bytes and we send it to the other side of the comm channel and in the other side we get the original string by converti...more >>