My application works under IIS 5.1 and is connected with oracle 9.2 database. After a few days of working it starts to work slower aned slower. I've checked connections with database if they are closed but in Enterprise Menager Console - Instance - Sessions all connections are closed. I've noti...more >>

Hey all - I've found a lot of 'snippet' examples of hitting a sqlserver db from a csharp windows app, but I want to make sure I understand the proper usage. In the examples, they usually create the sqlconnection and pass the connection string in the form, and then open it and create a s...more >>

Hi All, I have a Form1 that includes a menu. When I open a Form2, using the menu, the use of Form1 must be blocked. As can I do that? Thank you ...more >>

We have an application which dynamically loads an assembly and creates instances of classes. For this we have written a factory class which reflects the assembly and creates the classes and returns the created objects as plain objects. The caller method casts the object returned by the object fa...more >>

I am sure this question has been asked many times before but can someone suggest a method of stopping two instances of a C# app running at the same time ? Preferably I would like an attempt to invoke a second instance to bring the first instance to the top. Thanks. Jon. ...more >>

I had one experimented with binary serialization of an ArrayList of structs (each struct mostly contains strings). Strangely enough, it did not run as fast as custom XML storage (latter was nothing fancy, but did not use normal serialization). I was not pressed to get runtime optimized at the ...more >>

Why we use literals in simple example like here? uint a = 18U; can someone explain me more? ...more >>

Hi all, I need to implement tags cloud. I get a collection of tags that have tag text and the number of times this tag is been used: [Movies], 52 [Dogs], 43 [Music], 52 And so on... How can i attach a font size to each tag? Any ideas or links. Thanks, Sharon. ...more >>

How can I show a tooltip programmatically? I want to make it appear over a particular control at the specific time I choose, and not rely on the user's mouse movements. I don't mind using some Windows API call for this, if somebody can explain the parameters. Eq. ...more >>

I have searched alot for this and cannot find an answer. I have a simple form, and when it submits, I have it posting the data. I have a simple function to loop through and print out all my form data: <table class="data" width="90%"> <tr> <th>Name</th> <th>Value</th></tr> ...more >>

Hey! I get a 404 from a website (this is "correct behaviour") and I'm interested in the value in the cookie "SMSESSION". The question is the following code generates an exception due to the 404. How am I still able to read the cookies even though I get an exception? Here's the code: ...more >>

I have a EXE that spits out text in XML fomat. I need to call this exe and have it write the XML to a file I am using the following code: System.Diagnostics.Process p = new System.Diagnostics.Process(); p.StartInfo.RedirectStandardOutput = false; p.StartInfo.FileName = "GetData.exe"; p.Start...more >>

Hello, I've got a small aplication where i design a small scheme using System.Drawing. I need to use a NumericUpDown control to change some text i've draw. I have all the code under: protected override void OnPaint(PaintEventArgs paintEvent) How can i update my draws with new valu...more >>

Using : Windows 2000 Pro SP4 / VS.NET 2005 / .NET 2.0 / C# - All updates done. I have several bugs when I use the DataGridView : When scrolling (or after scrolling) the grid have these problems : - Some Image/Icon (in rows) are half-drawn - Some Image/Icon are ...more >>

Hi. I need held in exporting some c++ functions to c#. Does anyone has a simple sample? Thanks in advance....more >>

Hello: I have array of Label controls allocated danamically. When I'm trying to change font as: LabelLeft[i].Font.Strikeout = false; I have error: "Property or indexer 'System.Drawing.Font.Strikeout' cannot be assigned to -- it is read only" Thank you. ...more >>

How can I add design-time support to a custom control in VS.NET 2005? Thanks, Brett ...more >>

Hi, Not sure how but everytime I start webservice project with VS2005, it runs with FireFox. I made sure that the default one is the IS but still VS2005 runs firefox with webservices. Any idea how to change that to IE ??? ...more >>

Hi all Is there any way to prevent a user from closing down an application (via task manager)? Thanks Kev ...more >>

Hi, I implemented a simple WMI Provider in C#. It is a service which expose 10 instances of a simple WMI Class. The WMI class pnly expose 4 public properties (Value,Min,Max,StdValue) which only return some constant data. First, I was using MOM 2005 (Windows 2003) to interogate the instanc...more >>

I read some data from an XML file. Some datas need to be converted to decimals. The program is to be used in any country, so sometimes the decimal sign is "." and sometimes ",". How can I make Convert.ToDecimal() adapt to the user's language settings? Assume Windows XP and .NET Framework 1.1...more >>

I'm having a hell of a time figure out how to translate this piece of code. Public Function AdDDNc32(ByVal Item As String, ByVal Crc32 As Long) As Long 'Declare following variables Dim bCharValue As Byte, iCounter As Integer, lIndex As Long Dim lAccValue As Long, lTableValue As Long O...more >>

Hello Everyone I am developing an Application in VB as well as in C#. I am able to play mp3 files using either Windows Media Player DLLs or Winamp DLLs, but I need to Convert an mp3 file in .QCP format and as well as .AMR , .MMF and .MIDI formats. Is it Possible in .NET. I came to know some...more >>

I have a WebBrowser-control on my win app and I want to set the size on the images which are displayed through an url like http://blabla.com/img.jpg, but somehow the setting of my WebBrowser browseMMS -object won't apply: ((mshtml.HTMLImg)browseMMS.Document.Images[0].DomElement).height = 10;...more >>

Hi I try to do this. I have a webpage, that i can load or display. On this webpage I have few links to files (txt or cvs). Webpage alway show same text but linked files are replaced and renamed.I have after a week another file. My question is ....: How can I get that filename who's behind...more >>

Hello. Anyone know how to use the FileInfo class to search for a specific file in a directory? My problem is the specific file I am looking for, but the actual filename can contain alot of extra characters that are created when a batch process takes place. for example, I know the root path a...more >>

i'm building an desktop windows app in C#. the main menu for the application will be different depending on the admin rights of the user. i've built the entire app. in delphi and i simply activated or deactivated the menu items in that case, but all the menu items are visble. i'm hoping / thinki...more >>

I have a timer object and i am specifying the 25 minutes after which the callback method will be called.The problem is that the method is sometimes getting called just after 2 minutes.What could be the problem?...more >>

Hi All, I have a task at hand and I am trying to plan out how I should approach it. I can use either VS.NET 2003 or 2005 I need to grab data out of an Access 97 db and push it to SQL Server 2000. I intend on developing a standalone Windows app that sits on the same computer where the ...more >>

Hi NG, I have a generic list of Type where I hold some class types like: List<Type> classList = new List<Type>(); classList.Add(typeof(Telegram1); classList.Add(typeof(Telegram2); ...... Each of my Telegram<x> classes has a static Member "TlgNo"; With out building a instance of the clas...more >>

I have something that is stumping me. I am trying to initialize a 3 dimensional string array with the code below, but it wont compile. Can anyone explain what Im doing wrong?????????????? Im going crazy with this one! Ive tried a 2 dimensional array minus the "test3" and it works fine. ...more >>

I am learning C#. Right now I am working my way thru "Microsoft C# .NET Step by Step by John Sharp and Jon Jagger." After this I want to get into more depth. Eventually I want to pass the C# certification test. Please recommend books for me to read after I get thru the present book, in order o...more >>

I made a userControl for searching data in database. When I click a button Search in that userControl I would like to see result in another userControl grid. But it seems that that event never occures. Why? UserControl: public partial class CtlReceptiSearch : UserControl { public Ctl...more >>

I'm learning C#. I want to direct a console application's output to a screen where I can select and copy some of the text. How do I do this? Many thanks! ...more >>

What does the "@" char mean in the below line of code string abc = @"\\myclient\d$"; Thanks...more >>

I have used the visual designer to create a series of DataGridViews populated from SQLServer data. A typical call is: myCountsTableAdapter.Fill(myDataSet.myCounts); My application actually connects to different systems during a run; on some of these the default timeout is adequate, but...more >>

In C#, for a large float (9 digitals), how can I disable Scientific notation. When it auto convert to Scientific notation, I lost accuracy. Thanks a lot! Ryan ...more >>

Hello everyone, I experience some strange behaviour of anoynmous delegates which refer to variables outside the scope of the delegate. Please have a look at the following code and output at the end of this post and tell me, if the observed behaviour is intentionally or if it is a bug. Th...more >>

Hi, Is my finalizer safe? Thanks!! public class MyClass { private string m_str; public MyClass( string s ) { m_str = s; } ~MyClass() { // is this safe? if( m_str == "blah" ) // do something ; } } ...more >>

I have inherited a huge multi project VS2003 .NET solution: Two of the projects call the same dialog boxes but have differences within the classes. For maintainability and future conversion to VS2005 C# for the Main GUI, I was creating C# Windows Forms: 1) I finally managed to call the Windo...more >>

Hi all, I put 3 validators in my page and set the "ClientScript" to true. All of them works fine when I run the .NET application on my computer. But when I publish the page on the internet, the validators cause postback events instead. this is the code: ---------------------------------...more >>

Hi, I have not been able to find any tutorials for using TIBCO RV online. I'm looking for something that will tell me how to send messages to a TIBCO network through it's API. Can you tell me of any you know? Thanks. ...more >>

Hi Can anyone tell me how to create a rich enhanced UI rather the normal UI in visual studio. Thanks. Regards Melson ...more >>

Hello, I have a file with CR/LF separated text. string.Trim() and string.Split() came very handy to process the content, but with the immutability the memory is badly managed. StringBuilder is a good alternative in string processing but it lacks at least the two methods above. Not to menti...more >>

Platform: Visual Studio 2003 Language: C# NOTES: 1. Application will need to run on Windows 2000, Windows 2003, Windows XP 2. Client machines will be standalone NOT part of a domain. 3. I don't want to depend on having Active Directory installed Problem Description: When my application s...more >>

Hallo! I'm filling my treenode tv with AD-infos with the following code: ____________________________________________________________________ private enum AdImages { AdRoot, Ou, Container, OpenContainer, Computer, User, Group, Unknown, Unavailable ...more >>

Hi All, I have a dll built under PB. I want to call a function in the dll from C# so... [DllImport("EventMgr.dll")] public static extern bool EventApiInit(); .... bool ret = EventApiInit(); (all within the same class def.) However when the call runs I always get: MissingMethodExcepti...more >>

After star a new thread and call Join() to blocks the calling thread, how can i know if an exception has been thrown inside the thread? Thanks to all...more >>

Hi, I need urgent help, this is my code to rename my hostName: (MY computer is not member of domain) string compName = System.Windows.Forms.SystemInformation.ComputerName.ToString(); WqlObjectQuery query = new WqlObjectQuery("SELECT * FROM Win32_ComputerSystem"); ManagementObjectSearc...more >>

Hi, I have the following code in the code-behind file public string section; section = Request["section"].ToString() and I like to display it in my .aspx page (included .ascx) but it's not working. I tried <a href="default.aspx?section=<#=section#>"> is it possible to just place Re...more >>

Hi, How can I use the LINEST functionality of Excel in my .NET code. Can I use the Excel interopability dll or should I write the function code? Thanks in Advance GS....more >>

Hi all, I want to develop windows application which will intiate long running stored procedure. So what i decided is to use web service for starting long running sp and setting oneway attribute. So if i close application after invoking web method asycnhronoysly and then closing my window...more >>

Hello NG. I have a WebBrowser from the ToolBox in my application. This webBrowser is there to show Internet sites as well as files on my computer. So far, so easy, but i permanently fail in showing my workspace in this WebBrowser. Can anyone help me PLEASE! Thanx in advance. Greetz, AWA...more >>

Hi, I want to have only one button to Upload file but i get Access denied error. Default.aspx.cs: protected void Page_Load(object sender, EventArgs e) { FileUpload1.Attributes.Add("onchange", "document.forms[0].submit();"); } Default.aspx: <head> <script language="javascript" type="te...more >>

Hi, I'm currently in charge of a website on an internal domain. I'm currently modifying some of the web pages and am wanting one of the pages to be dynamic and read two files located on seperate pc on a different internal domain. The code (C#) that I have in place works if the files are loca...more >>

I have a .NET (C#) web browser control wrapper that automates the browser for testing purposes. I'd like to add the ability of reading all HTTP traffic between the browser control and a web server and I'd like to do it in C#, through the web browser control. >From readings that I've done, it l...more >>

Hi All, I am working on the winform datagrid. Now I have to disable the cursor movement in the datagrid using teh Arrow keys on keyboard and also I want to disable the mouse wheel (the scroll button) for the datagrid. Please help me in this regard. Its urgent. I will be waiting for the r...more >>

Hello I'm trying to work out the regular expression for carrying out a simple 'greater than' comparison. I have a directory with files such as asd345.log, asd346.log, asd347.log and so on. The regex is to be using in a find command, which should return a list of files whose numeric...more >>

Hi, I am looking to purchase a C# book that covers .NET 2.0 and Visual Studio 2005. I have seen two books that seem good:- Pro C# 2005 & the .NET 2.0 Platform - Andrew Troelsen Programming C# 4th Edition - Jesse Liberty Does anyone have any opinions on what is the better book or ...more >>

Hi, I have a simple multiline TextBox which I need to set its width according to the longest line in Lines. I assume I need to calculate the font width, how do I do that? Thanks! ...more >>

where is WindowsMediaPlayer component in VS 2005?? in win 2003 I see it in Toolbox.. but in 2005 I can not see it! ...more >>

Writing an Outlook AddIn with C#. For the user interface within Outlook I'm adding matching pairs of Toolbar buttons and Menu items. All of the buttons and menu items are wired up to send events to the same method (aka delegate?). I use the Tag property within this method to determine what use...more >>