hi guys i have searched all day and cannot find the code i am looking for. i am new to c# so please bear with me ;) i want to write a console app that simly lists in the console window, all files on c: that end with .doc i had a look at some recursive search code for mp3 files, but it d...more >>

In a application in visual basic 6 I had chr$(13). How can I get the same value in C#? Thank you ...more >>

Hi All, I was surprised to see the readonly behavior differ with respect to properties and methods. struct Foo { int state; public int State { get { return state; } set { state = value; } } public void SetState(int x) { state = x; } } Now if I do something like class Temp ...more >>

I am pretty new to C# so bare with me... The design of my website utilizes tables on every page that look almost identical, save the data they are displaying. I have written the code to create the body of these tables using a DataGrid, so I can dynamically add rows to the table without modify...more >>

How can I make a insert sql string to insert direct in a table(not a dataset) using the textbox.text propert?? ...more >>

Hello. I need to create JPG file base on data from some array of bytes without using any graphical functions. So I need the function which will get array of bytes as parameter and write it byte by byte into file, of course there must be inserted all necessary data appropriate of JPG format...more >>

Hi, I have a web service method which needs to return a hashtable.But it gives errror as, The type System.Collections.Hashtable is not supported because it implements IDictionary. Is there any way to return hashtable through a web method other than implementing the IDictionary? Ple...more >>

I'm looking to implement a Standard File Open Dialog, and put a little File Preview segment onto the dialog. Unfortunately it's not as straightforward as just inheriting a regular file open dialog and adding the bits I need. Does anyone know of any easy way to achieve what I'm looking for? Or w...more >>

This is just a suggestion. When a method has an out parameter, the calling code has to supply a target variable. I would like to be able to pass null instead, indicating that I have no use for the out parameter. For example, if I have a method ... bool IsValidWeight(float weight, out stri...more >>

Hi, is there a way to create a windows application that runs in a scheduled task to upload files from one server to another automatically? Any suggestion would be really appreciated Thanks David *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in US...more >>

I'm creating several public properties in a class that I will use exclusively for testing purposes. In a Debug compile, I want these properties to be included in the compile, but I want them omitted from a Release compile. What is the easiest way to accomplish this goal in VS.Net, using C#? ...more >>

Hi, I am trying to open a Photoshop document with the Photoshop (COM) reference. Photoshop.Application appRef = new Photoshop.Application(); Photoshop.Document docRef; docRef=appRef.Open("c:\test.jpg"); C# is waiting for an Object argument after the "c:\test.jpg" in the Open fonction...more >>

This looks like a silent or brand new newsgroup. Is there any other news groups for C# available ? ...more >>

Hi, I have a form containing 2 TreeViews. When I click on a button, items are transfered from the left tree to the right tree, which causes flickering. In order to remove such flickering, I surrounded code with BeginUpdate/EndUpdate for both trees. The left tree doesn't flicker anymore, but ...more >>

Hi, I have a string: string c = "'abc' \"cde\", 'mno' \"xyz\","; how can I use the c.Replace(???, ???) method to have this string: "'abc' "cde", 'mno' "xyz"," that is, all the backslashes are removed. Thanks, Etu ...more >>

Hi all, I am just comparing webservice performance.. What really have in SOAP envelop?? Is it taking lots of space.. get me some data regarding this soap envelop Regards, Nirosh. ...more >>

All, i'm at my wits-end. I have this third party C++ function which I am trying to call from C#, no matter what I try to do I just can't get it to work. This is the function prototype in C++: long IsValidCompressedFile ( const char *pcszSrcFileName, BOOL *bValid, char *origFileName, ...more >>

I want to find out how I can change the page orientation of a printer. ...more >>

I've installed WSE, both 1.0 and 2.0. The namespace Microsoft.Web.Services is visible from my VB.NET projects, but not in C#. In C#, it tells me there is no "Web" under "Microsoft". Any ideas? -- To understand recursion, we must first understand recursion....more >>

Hi, I have Class A, B and C. Class A has an instance of B. Class B has an instance of C. In the instance of C, it generates some data that need to be passed back to Class A. But Class C doesnot know anything about Class A. I'm dealing with legacy code. What is the best way to implement it...more >>

Hi, How can I translate this method in C# ? public void actionPerformed (ActionEvent event) { if even.getSource() == mybtn { sayHello(); } } Thanks in advance. ...more >>

I can't believe I am finding this so hard to figure out... I see there is a Controls.GetNextControl() (in Windows Forms controls) to get the next control in the tab order. But I don't see how to get the first one? Typically, I want to set focus to the first control on a certain tab page or o...more >>

This problem bothers me for a long time: I use WebClient.DownloadData in order to read text from an HTML document this way: WebClient c = new WebClient(); string html= ASCIIEncoding.Default.GetString(c.DownloadData("http://www.test.com")); When I run the code, I get this error message afte...more >>

I write a program for connecting to mysql database and read the values that i want from the database so i wrote my code like this RegistryKey uo = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Origin Worlds Online\\Ultima Online\\1.0"); String folder = uo.GetValue("ExePath").ToString...more >>

To make !Page.IsPostBack to work, do I need to set any properties at page level or in the config files(Web, machine) or aspx files. Because code in under the !IsPostBack is executing twice and adding data twice to dropdown list control. any help please..Tim...more >>

I have a C# console app, MyApp, and am placing an application config file in the same debug dir as MyApp.exe. I have named the file MyApp.config, and MyApp.exe.config. I cannot read the <appSettings> entries in the file though, I get null back for properties. config file <configuration> ...more >>

All, I have a windows form application. The form will host various user controls that will implement an interface so that was new controls can be added later without recompiling the hosting program. The various controls will be displaying data that is stored in a SQL database. My questi...more >>

when I use admin account to run it, it is okay, but when I ause other account, it gives this error.... please help~~~ thx ...more >>

Hi I have an MDI app.... All child MDI windows are non-updateable... however, the users may leave the windows open... and there can be several of them. I want to implement a system to dispose of MDI child windows after a period of inactivity, in order to release resources and fire a garbage...more >>

When PrinterSettings.Copies fires, I need to somehow get it to select three separate papersources...one for each of 3 defaultpagesettings.copies. PrinterSettings printerSettings = new PrinterSettings(); printerSettings.MaximumPage = m_numberOfPages; printerSettings.MinimumPage = 1; printerSe...more >>

I pass a bool to a form when it is created public TFrmPurchaseOrders(bool ISNew) { InitializeComponent(); } How can I access the value of ISNew, in the onload event of this form? TIA ...more >>

Since no one can answer the following question: I have a issue. I need to create a command line application/or windows application that will take 2 parameters and will print to the default printer without any popups. the first parameter is the html file name(location) second is a switch that w...more >>

Hello Group, Sorry my english is very little. I have problem with show data from Table from DataSet in textBox. In my apps I have "typed DataSet" myDS with table TabPerson [idPerson, LastName, FirstName, Adres, telefon] On Form I have dataGrid with one column form TabPerson - with LastName and...more >>

Hi! When records are passed by reference to unmanaged code do they need to be pinned down explicitely or not? I must have gone over this a dozen of times, but I am still not sure about it. I know that records are also just objects, but maybe CLR treats them differently. Thanks! Atmapuri...more >>

hi everyone I used a column expression like "UnitPrice*Quantity" for a cloumn named Total. but when I want to update my dataset by SqlDataAdopter, it gives me error. The column Total is just for showing "UnitPrice*Quantity" not for inserting in database,but I don't know why it gives me Syste...more >>

Hi Newbee here to C# I have a simple questions... In a Hello world example how does the class object Hello exist with out creating it? I come from object pascal where everything object is created then used. In object pascal you can call a method a "class" and it means you can call it by t...more >>

I have block of code adding values to dropdown list under if (!Page.IsPostBack) { adding items } else { refreshing data } return even I am checking !Page.IsPostBack, once its reaches to return, again it is going to top of Page_Load event and executing true part of If block. S...more >>

is this statement correct? if(nFld==null) nFld = xmlDoc.SelectSingleNode(XPathFld); if(nFld==null) Thanks ...more >>

hi everyone how can i show links in a list view or list box?? or show items in list box that be tender to Click event? ...more >>

I'm generating a TLB from one of my assemblies that contains an interface declaration. The class that implements this interface is in another assembly. I import this tlb in my C++ code to create instances of my C# classes. The problem I have is that I need to specify the class in my CoCreate c...more >>

I often encounter the following when i try to view the form in VS.NET 2003: An error occurred while loading the document. Fix the error, and then try loading the document again. The error message follows: Unspecified error Anyone know the possible causes or how to fix this? Thanks! -- ...more >>

I have a new domain account to use with my Windows Services. The account name is WinServ. I am trying to test my Windows Service on my XP Pro machine. However the service won't start unless WinServ is a member of the Local Admin group of my computer. The only error message I get is "Acces...more >>

I'm migrating a VB.Net app to c# and found the following: Private m_State(,) As Integer If anyone knows what is the analogous in c#... is it an array? Thanks, Juan. ...more >>

I have a issue. I need to create a command line application/or windows application that will take 2 parameters and will print to the default printer without any popups. the first parameter is the html file name(location) second is a switch that will tell the app to print in landscape or protrai...more >>

I'm developing a Windows Service and just added a standard try... catch exception handler to its OnStart() routine. I would like to know how to force the service to abort its startup when an exception is encountered. In my current version, the exception handler logs the exception, but then the...more >>

Hi all, how can i using the ImageConverter-class to convert a tiff Image to a jpeg?...more >>

Lets say .. I get a string .. "System.Windows.Forms.TextBox" Can I instantiate an instance of that .. given that the ONLY information I have is that string above i.e. classname? To make things easy, such a classname is in GAC. - Sahil Malik http://codebetter.com/blogs/sahil.malik/ ...more >>

Thanks, Juan. ...more >>

I would like to launch an application from a C# program, but I don't want users to be able to launch the app themselves. The only way to run the program should be to launch it from my C# application.I have looked at embedding the exe in my program, but I don't think that's going to work. ...more >>

I am self studying C# and the book I am using states: Controls have properties that determine appearance, and they also have events, actions that trigger a response. It then goes into the next chapter saying controls also have something called methods, which is something the control "DOES"....more >>

1) want to kill my automation server processes when i'm done with them. i.e., want to make sure that my word and outlook processes that are displayed in task manager are disposed of when i'm done. i set to null in code but that doesn't kill process. 2) how do handle events in outlook and po...more >>

Hi All, Probably it may be a dump question, But as iam in a learning Phase, you have the right to ask these questions Why we need Reference Types? What is the advantage of that when compared to value types. For eg: Class can be implemented using structures which is a value type. Thanks ...more >>

i'm having a dataGrid & some values in it with value null how i to be able to not display [Null] & make it empty in the dataview in the dataGrid regarding that the user may edit this data , how could i enable the user to do so ? ...more >>

hello there, is it possible to have a delegate for a property? ...more >>

Is it possible to stop the menu from appearing when you click the icon on a Window's title bar? I'm wanting to use it as a button for a different purpose. I've tried capturing all the messages that run through wndproc but none of them relate to this menu. Please help, Darrell ...more >>

When i use special characters in a javascript alert() like 'ç' or 'ã', the message is displayed white a blank square. How can i avoid this? thanks in advance. -- Renato /*Portugal*/ Vieira...more >>

Hello, 1)I wanted to know if there is a way to determine the size of a group box according to the number of radio buttons being added to it? 2)Is there a way to access to the radio buttons (in code) via the group box control? Thank U veru much!...more >>

Hi to all... I have a class with this properties: private int id private byte[] file public int ID { get{return id;} set{id=value;} } public byte[] File { get{return file;} set{file=value;} } When i instance the object i can obtain the Id from database but i would lik...more >>

Hello , I am developping a program for Win98 plateform, and I am stucking with a problem, hope you can help me. I have a program running 2 process : - One process running the Xcopy.exe - When the first process is finished, it runs another Exe process (HHC.exe) The code is below: ...more >>

Hello , I am developping a program for Win98 plateform, and I am stucking with a problem, hope you can help me. I have a program running 2 process : - One process running the Xcopy.exe - When the first process is finished, it runs another Exe process (HHC.exe) The code is below: ...more >>

My application runs correctly and gives no errors, but when i swap to another program by "Alt-Tab" or taskmanager my application blocks. I have no more click events in my application. If anyone can help, thanks, Marino...more >>

Hi, Is it true that the CLR sometimes can't throw the run time exception? Cause I have just encountered a problem that my program has some unexpected behaviours. After adding try-catch block to many pieces of code. It catches an array index out of bound exception. I am using VS.Net ...more >>

I created a class (SomeClass), on that class, I declared a delegate (OnXyz) and then declared an event based on that delegate (Xyz). All this in the same class. After that, I created another class where I instantiate my previous class (SomeClass) and attach to its event like this: someObjec...more >>

I need help to System.Mangement namespace. MSDN documentation is not exhaustive:(. f.e hwere is written how to correctly put WqlEventQuery.EventClassName? How should I bbuild that string? I just looked on MSDN, but nothing's there.......more >>

I'm new in csharp. I create a SortedList with new objects. I don't use this SortedList and their objects any more. Have I to set all objects in the destructor to null? Or do it the .Net framework for me? Thanks Thomas ...more >>