hi everyone! i'm searching for a tutorial or an example for how to fill a treeview with information from my ms sql database. i've found some on "code project" and other sites, but nothing like a real tutorial for beginners. does anyone knows some helpflul links or can give me a short intro? ...more >>

Hi All, Can any one suggest me a best way to do this .. I have a thrid party tool "EXE" that we need to use with our web service to manipulate some complex XML files, which reside in a seperate files server. we have mapped the fodler to a different folder and need to allow the EXE to proces...more >>

Hi, I am using third party dll's in my project for reports. While opening the reports it takes lots of time. (The dll's are alredy registred in th GAC with proper version in the code also). It works really fast when I disconnect my m/c from network. Please tell me what is a problem in t...more >>

Hi there. I have a C# console application that extracts data to flat files. Some of my business partners begin consuming these extract files before I've had a chance to write the newest ones (I am extracting these files once a day beginning at midnight). Since one or more consumer has a parti...more >>

Hi Dose any one knows how to split the cells of a data grid . Iv search'd on net but im only able to find third party ocx . But what i want is ,splitting the cells of grid which is available in .net . Is there any way to do this ????. Awating for the answer. ...more >>

I was trying to get custom dictionary class that can store generic or string[]; So I started with the example given by the visual studio 2005 c# online help for simpledictionay object That seem to miss a few things including #endregion directive and the ending class } Is there not a sim...more >>

I am trying to get session stating working with certain specifications right now, and am running into an issue I can't peg. I currently have session stating running have changed my web.config file to SQLstate and ran the installsqlstate.sql script through the query analyzer. This is all fine and...more >>

When you add an event handler to some object you need to specify the function to call when the event occurs. Suppose there is a class TesterClosed() which is called whenever the Tester is closed. Code below: public void TesterClosed(){} Tester m_tester = new Tester(); m_tester.Close += new...more >>

Hi, I am writing a a C# application that needs to display a bitmap to the user and allow the user to manipulate the bitmap. e.g, add edit bitmap, like in an application such as photoshop or Corel Draw etc. I'd like to know how i can achieve this in a C# application. I assume i would have t...more >>

Hello All, I was wondering if there is an easy way to increment a char[]. eg. char[] c = {z,x} would increment to {z,y}, {z,z}, {0,0,0}, {0,0,1} and so on. Is this easy or should I be using another type to do this instead of a char[]? Thanks in advance for your help....more >>

I entered a couple of strings in the project's resource file (Resources.resx). At execution time, I want to retrieve one of them: ResourceManager rm = new ResourceManager(<baseName>, Assembly.GetExecutingAssembly()); string s = rm.GetString("KEY") I do not know what to use as the <bas...more >>

Is there an easy way (i.e., not checking each file and adding the sizes) to get the total size of all files in a directory tree? And/or the number of files in the tree. Thanks in advance ...more >>

Anyone can tell me how to use control.Invoke or .BeginInvoke if i want to pass some day from a non-ui thread to a ui thread? Currently, i am using events into the UI module: private void DataProcessingResults(object o, PresentationEventArgs args) { object[] argsData = new object[2]; ar...more >>

Hey, What's the best component to use to play MP3's in my own program? I've used the Windows Media Player one, but is there a better one? Thanks. -Don ...more >>

Hi, A quicke summarize: I made a windows form that can set up a socket connection. It also has events that fire when data arives. Now I am using this form in a hidden way inside other code (was the only way I could get the threading to work for the client without the client needing to test fo...more >>

I am using a statement similar to this: using(SqlDataReader dr = ...){ dr.Read(); return Fill(dr); } will the using tag properly destroy the data reader after the return statement? ...more >>

It occurs to me that if I have a work object that gets executed via QueueUserWorkItem AND the work proc accesses only that object's instance data I STILL may have to lock because the object constructor ran in a different thread. That therefpre means that without a lock the threadpool thread mig...more >>

What is the code to exit (break) out of a class? I have a class, with an if statement, if is true then exit class, if false continue with the code in the class. ...more >>

hi i am new in Csharp programming.i have developed in One DLL in C#.Net that dll is used in VB6.0.is it possible? if i am adding reference this dll in to VB6.0 it is n't added.So, i have created TLB in that Dll.So, i have added that TLB file in to Vb6.0. Here is the one problem is getting it is...more >>

Hi, I am using a COM component in C# client. The COM component has a method which accepts an unallocated structure pointer. The method allocates memory and returns filled up strcuture array. The method exceutes properly but when the structure array is read in C# it does not return the fille...more >>

Hi all, I'm writing a C# app that uses copy/paste to put graphics in a window. My copy/paste logic first looks for Metafile, then for bitmap. Here's the problem: when I copy and paste a WMF clip from the organizer (in Word or standalone) into my app I get a nice high-res image the first tim...more >>

Hello, I am playing a little with Encoding, and I have what is possibly (forgive me) a newbie-type question. I have a function that takes a string and a codepage (based upon the basic MSDN help - look for "Using Unicode Encoding"). Anyway, I want to pass the contents of a textbox "as is...more >>

I'm writing c# asp.net. I have a dataset loading when the page loads and it has an itemdatabound event. When there is an error in the itemdatabound event I get the catch in the calling function, not the one that actually caused the error (the ItemDataBound). How do I do this correctly? Th...more >>

Here is what I want and I can't seem to find it: In asp.net 2.0 I want to create a generic collection that will perform sorting and is capable of being used by the ObjectDataSource and eventually bind to a GridView. Are there any samples out there of this? -- -Demetri...more >>

I'm working on a Content Management Server project developing a MVC based on a dynamic place holder control. One thing that I have some questions about is session management. What I would like to do is mimic the behaviour found in the helper bean in Stuts, BUT make it more generic. I would like ...more >>

Hi All, I Have A Few Problems with a unmanged DLL (VC6) sending back data to a C# application. The DLL is passed 10 "strings" (char* in the dll), which should then be updated - in other words i want to pass some strings to the dll by reference - it is called like this s1 = enc.GetBytes(lat)...more >>

Hello, I have a need to read messages from MSMQ (on the order of 350,000 messages per day) that have a body that is text-only (not in XML format). There are 3 message formats to select from (XMLMessageFormatter, ActiveXMessageFormatter, and BinaryMessageFormatter). All samples that I ha...more >>

Hi all, I'm having a problem with a response.redirect and firefox. I have an error hanlder setup in the global.asax which issues a response.redirect to a generic error page. This works fine in IE, but in firefox I get an alert 'The document contains no data.' The error occurs when the us...more >>

Hi Friends, I am having a problem to set a background color of any selected Word in MS-Word. Only few default (nearly 16 colors) are allow to set as Background color in MS-Word. But i want to set all applicable background colors. Is there any way or alternative for this. Your help is grea...more >>

Hi, Here is my problem: This is using Visual Studio 2005 I have a DataSet declared as a public member: public DataSet tmp In my Page_Load I populate the DataSet. Anytime I try to access this DataSet outside the Page_Load, e.g Wizard1_FinishButtonClick The DataSet is null. ...more >>

Hi guys, Unfortunately IIS was removed from my system. Plz send me some links to download the IIS for windows 2000 which is portable to run ASP.NET applications.. Thanks in Advance.. With Regards, Aravind...more >>

hi, i am am fairly new to c# and trying to write a service to check some thing periodically. i want to use a windows service. The onStart method is starting a timer. The timer.elapsed event creates a new Handler, which is calling another method. Is it possible to give this method an argume...more >>

Hi, I have a thread running, and at a point in this thread I am calling a method to update GUI controls. From the net I have read that updating GUI controls from the worker thread is bad practice. Thread myThread = new Thread(new ThreadStart(Worker));... myThread.Start(); public void ...more >>

In C/C++ it is easy to create plug-ins with LoadLibrary and GetProcAddress. But how can I create similar functions in C#. Does anyone have any samples references for how plugins can be created in C# ...more >>

Hi all i am having application in C#. here what i want it to update one datagrid depending on particular value. I want to start minimum of 5 threads at a time and all these threads are updating datagrid in their thread proceudre. What i want is whenever 5 threads are running as soon as one thr...more >>

Hi, I am using SortedList, but I am having problems with indexing. SortedList x = new SortedList(); x.Add(0, "zero"); x.Add(1, "one"); x.Add(3, "three"); Console.WriteLine(x[x.IndexOfKey(0)].ToString()); Console.WriteLine(x[x.IndexOfKey(1)].ToString()); int index = x.IndexOfKey(3); Co...more >>

Hi everybody, is there any newsgroup for C# in german. I am new here Thanks in advance...more >>

Plz Help I have a dataset which has tables area,goals,objectives,tactics each area can have many goals,each goal can have many objectives,each objectives can have many tactics they are related wuth there respective ids now the problem comes when in i am showing then in nested datagrid i ...more >>

I have an application using sqlserver. I want to send my data from this database to another database(again sqlserver) in my site. how can I send this data to my database on my site?? thanks in advance. ...more >>

I've got a rather strange problem with accessing web services. This is on the compact framework with a smartphone app. When i run the application with my smartphone plugged into my computer the web service is accessed correctly, (I should point out that this is a proper hosted web service an...more >>

Hello I get the following error when i trying to run a function fro OnStart() in my win-service: "Object Reference not set to an instance of an object" and th stacktrace only gives me the function name (setEvents), nothin else... protected override void Onstart(string [] args) { init_ti...more >>

Hello, Does every error encountered during try() block is handled by catch(Exception e) ? Do I have to catch every aspect or every detail of exception? e.g. catch (IOException io) catch (OutOfMemory mem)exception.. What I'm after is a generic catch(). Thanks ...more >>

Hi, I would like to use a thread together with an object. In the constructor of the object I create the thread and I would like to dispose in the Dispose method of the object, but it is already defined of the designer created partial class of the object. What is the nice solution to dispose...more >>

I understand that MS made their controls annoyingly difficult to modify (for example transparency on a listbox, tab control, treeview etc) to ensure they didn't torpedo the third party control library industry (or is this just an excuse to fob us off with controls that are difficult to extend?). ...more >>

Hi I obviously do not understand something about Hashtable.... The documentation in MSDN http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemcollectionshashtableclassitemtopic.asp states that there is a property called "Item". But I get a compile time er...more >>

hi guys, is there any where i can access remote registry through c#. im new on this can any one help me on this. thanks mothish ...more >>

I have stored my connectionstring in ap.config like: <configuration> <appSettings/> <section name="microsoft.visualstudio.testtools" type="Microsoft.VisualStudio.TestTools.UnitTesting.TestConfigurationSection, Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=8.0.0.0, Cult...more >>

Hi, All! I have a problem with TreeView component. My TreeView consists of two nodes Node1 and Node2. On click of right mouse button TreeView has event. In this event I check wich node is selected. At the start Node1 is selected. But when I do right click on Node2 the selected node remain ...more >>