Hello! Is it possible to write (classical windows with My computers, My Desctop, My networks Places end etc ) FolderBrowseDialog without use WinApi? If yes, can you send source code ? Yuri ...more >>

I am new to C# (coming from java) and I am confused about how to properly work with datagrids. The application I am working on is a message based system where properties aren't changed in direct response to edits on the front end. For example, setting the status of an order from active to pa...more >>

If a compiled exe project is under 400kb, why does it take up 15Mb when running? Is this normal? If not, how do I restrict the amount of memory it can consume? Secondly, does anyone have a bit of code that will traverse a directory structure and return the name of the oldest file? Thank...more >>

Sorry for the off-topic post, but I would love to hear the advice of the members of this forum. We are looking to implement an internal blog server. It needs to run on MS platforms. So far, I'm thinking about DasBlog, and .Text. Are there any others that I should look at? Does anyon...more >>

Hello, I have DateTime property. How can I set this value to null? I try DBNull.Value but it doesn't work. Thanks a lot, Ruslan ...more >>

Hajo, I need numeric types with possibility of setting them to null. I consider SqlInt64 instead of int64, SqlInt32 instead of Int32 and so on. I see only advantages. There are any disadvantages ??? thanks in advance Gawel...more >>

SORRY; I'M SURE IT'S THE WRONG FORUM; BUT I'M SURE Y'ALL WOULD KNOW THE ANSWER!!! Hi; I was just wondering if you could build GUI's in C (original C). From what I've seen, the programs made in C just run on DOS in it's command prompt. I mean it doesn't pop out of DOS (like when you run IE) ...more >>

Hello Everyone, Can I use MySQL with C#? What data access do I have to use and how? -- --- Regards, Rene J. Pajaron RPSoftware Associates Philippines ...more >>

Very simple goal ... to string format an int with commas. I have int x = 12000 If I use x.ToString("N") I get 12,000.00 So I tried x.ToString("0,0") I get 12,000. That's great! But then if x is 1, I get "01" That's not good ;-( Tried a bunch of other stuff ... but don't...more >>

Hi, I am creating a control. The control needs to be non-rectangular. I am creating a graphics path and then adding two overlapping ellipses to it using the addEllipse method. I then set this.region ('this' being the control) to a new region, passing my graphicspath object into the regio...more >>

I'm using an external DLL that expects the address of a function for a callback. How can I go about getting the address of a function I have? Thanks for any help in this. Lance Johnson ...more >>

How can I show the email client UI so the user can send the attachment to the desired recipient. I get an exception if I leave the MailMessage.To property blank. Is there any way to do this? I found a Microsoft example that uses mapi32.dll that can do this. But I can nopt make the SmtpMai...more >>

I had a situation occur today that's happened a number of times before and I'd like to get your take on it: Imagine... You're developing a WinForms app for a client that includes the use charts. So you purchase a .NET charting component, design the app, and deliver it to the customer. ...more >>

I think that I grasp the general concept of managed vs. unmanaged code, but I wanted to know if someone might have a link to a good article, white paper, or reference containing a good, clear definition of the two. Thanks. James. ...more >>

Any sample program for rs232 communication? ...more >>

I'm trying to set up a form with two panels divided by a Splitter control. I can make the Splitter work in the situations described in the documentation (Listbox or TreeView on left w/Dock set to Left, Panel on right of form w/ Dock set to Fill, Splitter between them set w/ Dock set to Left. W...more >>

I wrote the program to get information regarding connected devices to other device by using SNMP. This works fine all time I'm using localhost, BUT when I'm connection to real router it stuck in reading subtree items. All I need it to get external IP and MAC addresses of all devices connected to...more >>

I'm starting to think this is not possible.... I've got a Singleton remote object created/registered. I can access the object, modify data, etc., to my hearts content, just as long as I access it from a remote machine.....THIS MAKES REMOTING relatively useless for me. The object is register...more >>

Hi all! I would like to ask you guys regarding validating an xml document against a dtd file... I'm not quite familiar manipulating xml and I was assigned to do a program that could document some stuff using the DocBook format. Any articles that you might suggest, I would gladly appreciat...more >>

Hi, I'm new to C# so please be patient with me. Ok, I have a small app that analyses the content of about 10,000 log files. The application works fine and outputs the expected results. But I need a form that displays the status of the job it is running so the guy's using it now it is workin...more >>

Tring to use Sockets, following examples from online doc. Got his error for Async_Send_Receive The type or namespace name 'Async_Send_Receive' could not be found (are you missing a using directive or an assembly reference?) I can not find it anywhere from the library. Anyone know w...more >>

Hello everyone I have a beginner's questions about the System.Threading.Timer class behavior. I have been observing the thread count with Windows Task Manger and noticed that timers, after being disposed, do not seem to end their thread after the timers stop working). For instance, when makin...more >>

Hi, When I create in VS2003 new WebApplication and then I add new file WebService1.asmx with function "login" in this application, how can I create new instance WebService1.login in my WebApllication form without specifikacion full path of this WebService1 (for example "http://localhost/webserv...more >>

Hi, Is it possible for the property grid to display data (within the same section) in different fonts, at the same time. For e.g If I have a section called ‘Foo' in the property grid which has 2 properties say ‘bar' and ‘baz' I would like to display the value of the property ‘bar' in italic...more >>

My progress window is created by a secondary thread and then updated by it while a file is uploaded. There's an avi animation control on there that should show the move file avi. Plus a progress bar. Im having problems as the screen isn't being redrawn properly. If I call DoEvents each time then...more >>

Attention all coders, I have posted a job on rentacoder. It is on topic for this newsgroup. If any of you are able to do it, you might as well log on and get paid. Thanks for considering this work request, I am willing to pay for work done and would like to hear from people who can do it. ...more >>

I'm suddenly having a problem with my .cs file. I can update the .aspx file and see the changes in the browser, but any changes to the associated .cs file don't appear when I try to view in the browser. I've even tried simple Response.Write commands and nothing. Has anyone had this experien...more >>

I have a long string I will perform multiple searches on. If I convert the string to lower case and perform the regex search will that help the perfomance of the application ? Any Regex performance tips would help, except creating Regex Assemblies. I have enough information on that subje...more >>

Hello, I need a function to send a mail from a winform application. I don't belive, that I can use smtp, because I neither know the mail address of the sender nor the smtp server (or can it be "localhost" ?). I only want to set the receiver mail address (it's me), the subject and the body text...more >>

i'm trying to make an open and a save file dialog that allows you to open/save various formats, but when you change the extension you want to filter the file list disappears [1] until you leave the current directory. here's the code for the save box: SaveFileDialog sfd = new SaveFileDialog...more >>

Hi all, I have one class including one collection. I use propertygrid to display and edit its properties. I'm trying to use reflection to change the status of one element to be readonly, for example the first element in this collection.The result is that all of elements changed. I guess the Rea...more >>

I'd like to have a string assigned the value of a DateTime.AddMinutes(amount) so that the string is formatted in "HH:MM" format. For example: DateTime.Now.AddMinutes(30) returns "00:30" DateTime.Now.AddMinutes(90) returns "1:30" or "01:30" DateTime.Now.AdMinutes(-45)) returns "-00:...more >>

Hi everyone, In c#, what is the fastest way(include unsafe) to convert a array of bytes(which really contains the bytes of a double array) to a arry of double. thanks kn ...more >>

Hi, I have a problem to implemente the strategy pattern. the problem come from that a method take different arguments type (object in interface and String / Int in implemented class). When price3 instance call getPrice, the method invoked is the one of PriceRule abstract class. But, I want ...more >>

(Relative newby) Ive a secondary thread reading files from a serial port. Ive also got a form with a progress bar informing the user on the status of downloading the file. The progress delegate is called from the context of the thread. The form works fine if it's the topmost window but if it ev...more >>

Hi How would i programmatically create a windows user group? i.e. Right mouse click on my computer -> System Tools -> Local Users and Groups -> Group -> New group. How would i create such a group in C#? once done with the above, how would i give the above group access to a particular path i...more >>

Sorry if this is an oft-posted question, but what is the C# equivalent of having a control array in VB6? I know multiple controls can share the same event unlike VB6 ... if I want to enumerate over some radio buttons, say... do I just have to add them to a collection via code? ...more >>

Hello Don't know if this is the correct group, but I saw alot of others UML posts (so please redirect me if im posting in a wrong group) Anyway, I'm new to uml and need a little help to get the over the startup difficulties. For instance, i have some "Manage customers", and besides all the ma...more >>

Hello, I am trying to implement a simple windows application that reads from a specified url. Currently am using the WebClient class to access the url and the OpenRead() member to retrieve a readable stream which I then read with a StreamReader. This works fine for url within my domain. The pro...more >>

Hi, I'll try to simplify the problem: I created a table "TestTable" in a database on the SQL server. The first column, 'id', is the primary key with a auto-increment identity. I want to work connection-less, so I made my dataset where I populated a table with the data from the TestTable. When I i...more >>

Hi, I'll try to simplify the problem: I created a table "TestTable" in a database on the SQL server. The first column, 'id', is the primary key with a auto-increment identity. I want to work connection-less, so I made my dataset where I populated a table with the data from the TestTable. When I i...more >>

Hi, I have a DataBase that have some tables with more then 1 Million records. I notice that the query is executed quite fast, but to put the data in a datagrid it's a bit slow, I Think dataset is slowing this operation... Here is my code. md = new OleDbCommand(SQL,dbConn); da=new OleDbDataAda...more >>

Can anyone tell me if there is a way in C# to do what typedef or #define could do in Visual C++? I want to do something like: #ifdef SMALL typedef ushort APPUINT; #else typedef ulong APPUINT; #endif This way I can have a configuration where I just use /define SMALL to get a copy that...more >>

Hi everyone! I have a question about exporting data to Microsoft Excel. I am writing program in C# and have to export some data to excel workbook. It works very good using OLE technology, but it requires Microsoft Excel installed on every machine with my program. It is not quite convenient t...more >>

hi all i really appreciate you help you got me through a lot with my project. YOU GUYS ROCK BIGTIME!! :D well now i have another question (as usual :S) I do an httpwebrequest to my webmail, this request returns a response with a cookie. I get the cookie and parse it using cookiecontainer ob...more >>