How can I obtain the textbox (editing field) control of the combobox? I tried combobox.Controls to obtain the collection of controls that the combobox contains but it turned out to be empty. Thanks....more >>

Hi, Introduction: **************** I am trying to DeSerialize a file that was created by an unmanaged application by the binary formatter, to achieve that I am implementing the following ISerializable methods: 1. GetObjectData(SerializationInfo info, StreamingContext context) 2. construct...more >>

Hi guys I have 4 million records in a table in one database... I want to display it in a datagrid... how can I do this efficiently ? please be specific should I do it in sql server or in .net ? Thanks Tom ...more >>

I'm not a new programmer, but this one's got me stymied; hopefully it's a fairly trivial problem. I'm using a socket connection to receive communication from a server. Normally, the entire message is received before the program moves on with its next instructions. However, at times when the proce...more >>

Can code be automatically generated for the functionalities for Implementing Interface for Class in C# as it happens in vb.net Thanks n regards Rajeev...more >>

Many times I find code examples in the internet which don't have the = "using" statements needed to run them, and without it the compilation = fails. Is there a way to find the correct "using" statement given the variable = declaration?...more >>

Hi, I have a form where i have a thread working in the background that tests a connection to a server. If the connection is not successful,then I want it to display 2 buttons on the form. I have tried doing this so far by simply setting the buttons Visible property to true (since they will ...more >>

Dear All, Could anyone shed some light on a method which returns the 'index' of a selected item in a listview control, set to 'list' only. Is this possible? Thanks Greg...more >>

I can set the maximizeBox property. But I didn't find a method to maximize a MDI child form. So I must do a duoble click at the maximize box. Anybody know a maximize function or method? Thank in advance Thomas ...more >>

Hiya Is there an easy way to determine the cell size of a datagrid i.e. its pixel size? Thanks in advance Geoff ...more >>

I am migrating my C++ numerical routines to C#. In C++ I use pre-built C DLL libraries (fft.dll, fft.lib), so in Visual Studio I specify the path to include and library files and in the linker the additional dependencies (fft.lib). In my programs I declare “fft.h” and use the corr...more >>

I need to find a good online resource which teaches the use of the XmlDocument framework in more depth than is covered in MS's online doc. I need to create a multi-level XML document like the one listed below. Using XmlDocument, I can create the <books> and the individual <name> and <price> el...more >>

I am using C# language and a web application to create a web page. For this project, i need a onscreen keyboard. How to I creat a toolbar?...more >>

I need to implement the method : round(String name, int index) The given string maybe the every type of float type, ( the msdn given the regax is that : [ws][sign]integral-digits[.[fractional-digits]][e[sign]exponential-digits][ws]) and the index is the location after "." in name. First, i ...more >>

Hi there, I'm trying to consume a web-service that is supposed to return a collection of a custom object. The web-service was not created with C# or VS.net. It was created with IBM VisualAge Smalltalk 6. I haven't had problems consuming other web-services but c# seems to choke with "Colle...more >>

Calling C# from unmanaged C++: Is there any way to do this without COM? I have an unmanaged processing class and "all I want" is a way to give progress feedback into the C# client code. I basically just need to call an "Inc()" method into some managed progress bar (And to consult a "Is...more >>

Hi, I want to read a file from a http request (say, http://www.foo.com/test.exe) to my local hard drive. How can I do that? I need specific code examples here, not just "use HttpRequest and get a Stream and write that stream to disc with BinaryWriter". This is what I have gotten to so far, it ...more >>

I am serializing an object to XML and writing it to disk. whenever a change to my object occurs I call the save function to re-write to disk (see code below). I am monitoring the directory where this write is being done using a FileSystemWatcher. My problem is that my Watcher.Changed callba...more >>

Someone knows if there is some tool to obtain of a dll the code source(fountain) If this està written in c++ ...more >>

Hi, If I am correct the MVC basics are: The primary goal is to decouple the model from the views and controller. - Model: Holds data and business logic. - View: represents data and queries the model. - Controller: Responds to user input, sends change notifications to the model and to the...more >>

Hey, How can I bind a DirectoryEntry to a IIsWebDirectory? I tried the following code: DirectoryEntry entry = new DirectoryEntry("IIS://localhost/w3svc/1/root/webdirectory"); But the schematype of this entry is - IISObject and because of that - I cant use the IIsWebDirectory's methods i.e - A...more >>

Someone knows if there is some tool to obtain of a dll the code source(fountain) If this està written in c # ...more >>

I came across a reference on a web site (http://www.personalmicrocosms.com/html/dotnettips.html#richtextbox_lines ) that said to speed up access to a rich text box's lines that you needed to use a "foreach" loop instead of a "for" loop. This made absolutely no sense to me, but the author ha...more >>

If you look at explorer, right clicking on a file, first selects the file, then throws up the context menu relating to that selection. With a Windows ListBox control and a simple context menu, the default behaviour seems to display the context menu on the listbox, but there is no selection....more >>

Hi, I was trying to find an elegant way of implementing/modelling the following scenario: student, borrower, reference and cosigner are all human beings - we would think to create a person base class and then create one class for each of the person type inheriting from person class - stu...more >>

I have a C# component that can be used in various executables. I need a way in the code of this component to determine if the executable that loaded it is a Windows Service -or- a Console/Windows application? i.e. within the code of this component how can I determine if the process that loaded...more >>

I have an expression where I need to replace words with values (#'s). Take the following expression: val1 *2/( val3 + val4*12/val1) Given this example how could I replace val1 with the number 15? Note: the spacing in the above expression was intentional. There may or may not be spaces bet...more >>

I'm working on adding some Set Statements to a property, 1.1 frame work. However, the Add allows for CodeExpression or CodeStatement, but the Insert only allows for CodeStatement. I have a CodeExpresion that I need to make the first line in the SetStatments. Other than clearing and re-adding eve...more >>

Hey folks, I have a Global DataSet which I use across my application. I use a DataView to give me the data that I want in a certain instance. Is there a way I can create the DataView so that it has only some of the columns of the DataSet (i.e. not all of them)? If not, can I reorder the ...more >>

I have an c# exe-application which referenced a managed c++ dll. The managed c++ dll is an wrapper for some unmanaged c++ classes in a separate dll. That works fine but I can't debug in the unmanged c++ dll. Is there anyone who know why I can't debug in the unmanged c++ dll? Or is ther any w...more >>

I'm looking for a visual scripting language to write poker logic. There must be several things out there, but I haven't been able to find anything suitable. I've seen similar systems in the past. I recently left Maxis, where I used to work on The Sims. It seems to be common knowledge that we use...more >>

Hi, Is it possible to add post build event to copy several fiels after all project have been compiled? I don't want to put it in one of the project post build event Thanks. ...more >>

Here is my code string Conn ="Provider=Microsoft.Jet.OLEDB.4.0;Data Source = c:\\\\G_Drive_Entitlements_STM_2005.xls;" + "Extended Properties=Excel 8.0;"; OleDbConnection dbConn = new OleDbConnection(Conn); dbConn.Open (); OleDbCommand Cmd = new OleDbCommand("Select * From [Sh...more >>

Hi, Group, I know it says not to mess with the "code required for Designer support" that the IDE generates when I work with things in the layout editor, but I nevertheless find myself making changes along these lines: this.bMagnifier = new System.Windows.Forms.Button(); this.bMagnet.Anchor...more >>

Hi, Group, I prefer indenting braces with their block, thus: public int Foo() .....{ .....Bar(); .....} [using dots because I know newsreaders tend to mess up whitespace] But when I copy and paste such code in the IDE, it "fixes" the brace placement for me, thus: public int Foo() ...more >>

Hi, I'm very new to C# and am working on using a stored procedure to MSSQL with two date parameters. The first problem I'm having is that SQL appears to be throwing an exception (or my parameters are not being passed thru as I think they are). 1. How can I see exactly what C# (ADO) is sendi...more >>

I want to create an application which monitor other applications status. It is same as Windows Task Manager's Application Tab. Status would be RUNNING or NOT RESPONDING. Thanks. ...more >>

1. I can fill data from Excel to DataSet like this: OleDbConnection connection = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=../../Book1.xls;Extended Properties=Excel 8.0;"); connection.Open(); OleDbCommand command =new OleDbCommand("SELECT * FROM myRange1", con...more >>

Hi all, This may be a newbie question, but I can't find the answer anywhere. I want to make a capture of the screen, or a part of the screen, that contains the main portion of the form. Detecting the screen that contain the main portion of the form is pretty straight forward, but how do I captu...more >>

Hi am trying to find a way to backward support serialized files of older version Example: Given a class class MyClass { int a; int b; } Serialize MyClass using SoapFormatter to myclass.bin add int c; to MyClass class MyClass { int a; int b; int c;//newly ad...more >>

Dear readers, How can I obtain all AD Objects within a OU? I can find all AD Objects in the root of my Active Directory when I use the DirectorySearcher and passing the DirectoryEntry I find using the defaultNamingContext property of the RootDSE DirectoryEntry. However when I try to pass anot...more >>

I am writing a windows application based on a set of generic user controls that I have developed. I have a user control called "ctlInputText" that has a label, textbox and error provider. The error provider is used to ensure that the text box is completed. There is a property that can be se...more >>

I'm coding a project using the following article as reference: http://www.codeproject.com/csharp/DynamicPluginManager.asp In this type of project, plugins are loaded dynamically into a Plugin Manager. Your main application then hooks into the Plugin Manager. What I'm trying to figure ou...more >>

Does anyone have an example of how to send an email using MailMessage and SmtpMail objects ...more >>

Hello all, I have a library of datetime routines that make things simpler for me. Before I discovered DateTime.MinValue I had a function that looked like public static DateTime DayZero { get { return new DateTime( 0,0,0); } } I use it to compare for nonvalid datimes in some code, for e...more >>

Hello, I'd like to write an application that finds out for every machine in my network that it is running and if yes, which user is logged on this machine. I'm asking myself if this is possible at all (security...), even if I am Administrator on the remote machine! Regards Alexander...more >>

I try to learn how to parser XML files. Should I learn MSXML or .NET (system.xml) or both. Is MSXML an old technology which is replaced by .NET? Thanks in advance. ...more >>

I have the following code in a windows service, when I start the windows service process1 and process2 work fine ,When process 1) and 2) get completed process 3) starts and sofar so good. the problem is if the files in process 1) are all processed and we are in the middle of process 2) , at ...more >>

I have a screen which allows the user to create mathematical expressions using a combination of literal values, other expressions and field values. For example if I have the following: // fields string val1 = "2"; string val2 = "1"; string val3 = "4.5"; //expressions string expr1 = "...more >>