Hello guys, Is there an easy way to extract individual words that form a string and store them in variables like in this example: String "how are you?" My result would be: var1 = "how" var2 = "are" var3 = "you?" Thanks alot, Maya. ...more >>

Hi, If two applications try to write to the same file at the same time, an exception gets thrown. How can we handle exclusive writes to a file? Thanks, Lalasa. ...more >>

how do i create bar charts in c# dynamically.. i need to know frm the scratch , while google didnt help me and the boks that i got didnt have that info.. can anyone throw some light in this issue..? cheers, Archana.S.R...more >>

I have a method that takes an array of nodes (UltraNode[]) as a parameter. I've got an arrayList of objects that I am trying to convert to UltraNodes and pass to the method but I cannot seem to get the syntax right. I thought I was able to go ArrayList.ToArray(typeof(UltraNode)) and be done ...more >>

Hi y'all, Ok, still playing with my DataGrid ComboBox. I solved the scroll problem, but now I discovered this: If I am in the ComboBox and rotate the scroll wheel on the mouse, I get the exception: The ListManager's position must be equal to rowNum. and the select row but not the...more >>

I have the following piece of code: // this called when some data comes in public void OnReceive( IAsyncResult ar ) { // receive data string message = ...; // continue to listen BeginReceive( ... ); // process string based on some condition if ( condition ) { ...more >>

Hi Guys, I'm sorry if you have heard this one before but searching the net hasn't found a solution. I am using Socket in a client to connect to a server. However, after I've finished sending and recieving data and call the Close() method the socket lingers for a couple of minutes. This i...more >>

Hi y'all, I've put together a ComboBox to display in a DataGrid - just to do it. It works fine, except... I added more entries to my test data, enough to scroll and: I select a row in the middle of the table I scroll down (the bottom entry goes off the bottom) , the ComboBox disappears...more >>

Hi there, I would like to add an onClick event to a webcontrol which calls a function which is in the code behind an not a javascript. Would that be possible? Something like this: MenuCase.Attributes.Add("onClick", MenuCase_ButtonClick()); private string MenuCase_ButtonClick() thank...more >>

I want to use a struct to constrain a result. The result is a string composed of several strings of fixed length; Let's say the string Result is composed of 3 strings, each 4 char in length. Can I build a struct that would enforce such a construct? I tried putting string[] s = new...more >>

I hve Dataclasses one for each dbtable & i have user control with MoveNext() & MovePrev() methods i want the toolbar to use the current class so i created an Interface (IDbClasses) with the 2 methods and i use it in the user control, i also added a poperty of type IDbClasses to pass instance o...more >>

#define FILE_DEVICE_FTE 0x8001 #define FTE_IOCTL_INDEX 0x800 #define FTE_CTL_CF_XMIT CTL_CODE(FILE_DEVICE_FTE, FTE_IOCTL_INDEX +31, METHOD_BUFFERED, FILE_ANY_ACCESS) Any help are appreciated...more >>

Hello all: If you extend and/or create your own control how do you package it up as a .dll file in order to add it to the toolbox and use it in other projects? Thanks, - John -...more >>

Hi all. I came across a situation where I wanted to distribute my C# project to a few parties but did not want them to edit the code/copy the code. The only thing they should be able to do is view the code & learn from it. Do you guys know of any solution to source code protection that w...more >>

Does the .Net framework provide a method to convert seconds into a readable time format? Thanks, D ...more >>

Is there any downside to using the Memento pattern to store the current state of an object instead of using private fields for internal state and a memento just for some bookmarked state? Seems like the upside is less code and easier state management/cloning. Perhaps there's a slight perfor...more >>

Hi everyone! I need to write a simple application that will change folder attributes for a user that doesn't have administrative privileges. (Example : I'll login as administrator, run an application and will give a permission to all users to write to program files) Is anyone know which class...more >>

I am trying to use the StackTrace class to get my current stack trace for some logging. Everything is working fine, except when I am using threading (specifically WaitCallBack and ThreadPool.QueueUserWorkItem) When I try to walk the stack from a location that has been called via QueueUserWorkI...more >>

I created a class derived from a DataGridTextBoxColumn. I have it working through looking at various examples on the net. To update the underlying DataGrid, I had to overload the Edit method which provided the CurrencyManager and row number required for SetColumnAtRow method. My question ...more >>

Hi y'all, Is there a way to specify the alignment in a ComboBox? Thanx, Bill ...more >>

Hi, I'd appreciate any help with this. I'm new to this so I'll need things spelled out. I have a web form that creates an XML document when it is submitted. The code behind has the event handler, everything works fine. But I'm trying to also write a cookie on the OnClick event. How do I add a se...more >>

Does anyone knows how to get an image from sql database? I managed to save an image(binary) into table, but I don't know how to "transformed" it back to my aplication into grid. Hrcko ...more >>

Is there an easy way to print a form in .NET? Thanks. ...more >>

Unable to serialize the session state. Please note that non-serializable objects or MarshalByRef objects are not permitted when session state mode is 'StateServer' or 'SQLServer'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stac...more >>

I'm trying to figure out how to subclass a control and override some of = the default properties. I can subclass a control and add my own new = properties and set their default values. But how do you change the = default value for an *existing* property? For a custom property I can do this: ...more >>

Never used .NET remoting but I am assuming that you need CE.NET to use remoting on an iPAQ? ...more >>

How do I get the immediate subdirectories and their size under a given directory? I just want list of folders only one level down and total size of each folder under the parent directory? Thanks JJ ...more >>

Hi All. I'm porting one application from Delphi5 to C# (using VS 7.0). To display big ammount of data in treeview I need a control like a VirtualTreeView by Mike Lischke (www.soft-gems.net). Standard TreeView control works petty slow and does not have such possibilities like VirtualTreeView. ...more >>

I have a program in which I draw various shapes to a form but I would like to move it off the form into a user control. The painting on the form takes a significant amount of time. I was thinking of making a bitmap map to the control so that when it does a refresh it doesn't need to recalculate ...more >>

I have a requirement to put a GDI style circle or rectangle border around the selected row of a datagrid/ It will overlap into the row above and below the selected row. Doing this in a the OnPaint of a subclassed DataGridTextBoxColum dos not seem like a practical way to do it. I have subcl...more >>

Hi, I am having problems with some date comparisons.... i am not getting the correct answer when doing DateTime.Compare(t1, t2) ; I have a DataGrid full of records that i have bound using a currency manager to a DataTable. Records in the Datagrid can be edited added or deleted. before ...more >>

any info on this topic? I want to build control for scaninng documnents with c#. Can someone point me in the right direction? :)...more >>

Has anyone installed Visual Studio 2005 beta (or C# Express beta) side by side with Visual Studio 2002 and Framework 1.0? -------------------------------- ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>HyYZwoI4uky2NblCjf5LFw==</Id>...more >>

Hello. I have a problem with insert a picture (bmp) to data base. I wan't add picture to cell in data base (Access) like double decimal. Someone have a idea how to make this? Please help MarianZED...more >>

Hi I am using Mathematica 5.0 to make a plot in Visual Studio 2005 beta. Each time, a window of the kernel opens. I want the window to close once I close my form. Can someone please guide me on how to do that. Thanks Siddharth Jain ...more >>

I have a variable that can be between (1) and (1,2,3,4,5) etc... this variable shows which type of query to run, and each runs from a private void function. I understand the method of doing but don't know enough C# yet be able to finish. I am trying to do something like this I think? Shou...more >>

In the Tools...Options...Help...Preferred Collections I have the standard Visual Studio .NET 2003 Combined Help Collection. I also have installed the MSDN Quarterly Libraries for Oct. 2004 and Jan. 2005. Should I leave this on the Combined Help Collection or select the most recent MSDN Librar...more >>

I need to have my c# application actually create a new Excel file from an Excel template file, and then update a bunch of fields in the new file. Can this be done? I am using VS.NET 2003 EA Edition and Excel 2003. Any pointers or sources would be greatly appreciated! Thanks! ...more >>

Hi .Net experts, I am trying to build a user control of textbox and would like to add a public method to the object like public void CheckOptions(string str) { // codes here } So over the WinForm, I would expect the following to work txtMane.CheckOptions("Hello"); //txtMane is ...more >>

Looking for a proper way to close or hide a form in this example. I have a form X that calls a new form Y to show on a given event. Both X and Y are different classes. Ive tried instancing X and calling X.Close(); and X.Hide(); from within X. Ive tried instancing X from within Y and calling ...more >>

Well guys some might consider this a silly topic but i just want to get the general consensus on the matter. So i ask the question "Which is more efficient to use Cookies or SessionState Variables ?". I'm just looking for opinions so please don’t flame me. - Adam...more >>

Here's what I want to do: I have a hash table which contains data associated to different keys. The Hash keys are represented by a single character from the keyboard: 0-9, a-z, A-Z, and the other special characters. I want my program to detect what key the user pressed from the keyboard and...more >>

Hi, I have a C# program and want to call a dll, but have problem to receive the data from the dll. The dll declaration is the following : "extern "C" void GetSN(TCHAR** pData)" The Dll call is the following : [DllImport("mydll.dll")] private static extern void GetSN(ref string[] val1);...more >>

Source: taskbarNotifier.SetBackgroundBitmap(new Bitmap(GetType(), "skin.bmp"), Color.FromArgb(255, 0, 255)); Error: Resource 'skin.bmp' could not be found in class 'Syndirella.UI.Form1'. I have added this file to Resources via the resx file. Any ideas? Thanks....more >>

its important to my work to find answers for these questions so if u know the answer please help me how to make an area in the form have an opacity less than the hole form? and how to make the area of desktop behind this area accessable by the user -(as it looks like a transparent area)- fro...more >>

Hi. Could you tell me the ways in which I can pass the value of a given variable to another Web page? I prefer NOT to use cookies and parameters in the URL. For example I want the user name to be shown in each page in a label control. Thanks. ...more >>

I would liike to know which C# function is the replacement for the following function, and how do I use Platform SDK functions which r not updated in .Net Framework. CHAR nUser[100]; DWORD mError = 80,test ; test = WNetGetUser(NULL, nUser, &mError); if(test == NO_ERROR){ ...more >>