Hi, How can we convert ArrayList to Int[] (i.e., Integer Array). If anybody knows the solution pls let me know. Thanks and Regards, Vinothkumar B ...more >>

Hi, I have declared array as Int[] ids = new int[50]; In ArrayList we can remove specified index using RemoveAt(5) method. My question is how can we do this one with int array (single dimensional array) or else is there any alternative solution for this? If anybody knows the sol...more >>

Hi All, In a Singleton pattern , if we create an instance variable, and return it, whether this one also be a static variable , Can anyone give me insights on the Memory allocation Thanks in Advance thomson ...more >>

I am using C# in VS2005 and trying to make use of the "Data Access Application Block" version 2 I have created a small test application that to do the testing. If my application and the Common, Object and Dat modules are not signed DAAB runs OK but as soon as I sign them I get the fo...more >>

Hey, I'm working on a winform app in VS 2005. I'm wondering if someone knows some best practices on how to organize the toolstrips. I have a menuToolStrip and some other toolstrips. As in many apps, the functionality of the toolstrip en the menubar overlap. (e.g. cut & copy etc) The com...more >>

.... set default value for SQLSercer Table Column of type Byte[] (c#) and Image (SQLServer)? ...more >>

Hi,dear friends: I want automation Excel in VSTO, when the user minimize excel window i want change the interface in my add-in. But Excel Com haven't provide this event,how can i achieve this. thanks! ...more >>

I have an Excel file save in the MyResource.resx. I have to load the Excel file into strem. I use the code: ------------------------------------------------------------------------------------------ ResourceManager a = new ResourceManager("WillNs.MyResource", Assembly.GetExecutingAssembly()...more >>

I have created a user control and placed the dll file in a virtual directory. I am using the control in a webpage (aspx). On the web server I am able to view the control in IE. However, on remote machines I just see an empty outline. What could be wrong here? Thanks SG ...more >>

I wnat to load a file in an .resx file and transfer the file to a stream. How can I do? ...more >>

Hi, Having read this article: http://www.codeproject.com/dotnet/strings.asp?df=100&forumid=13838&exp=0&select=773966 I got curious about the limit of string lengths, so I wrote this program: public static void Main(string[] args) { StringBuilder s = new StringBuilder(); String a...more >>

Hi, Would anyone know why the .net language would just issue calling the Dispose method to all objects going out-of-scope if they implement IDispose. In another word, if the "using" statement is implicit and automatic for all scope then it would resolve many unmanaged resources leaking or u...more >>

Hello, I'm writing an application that should create a SQL Server 7 database if it doens't exist. i'm using the System.Data.SqlClient objects to connect and run queries. My connection fails to the database because the database doesn't exist. Can the connection string (ConnectionString) be...more >>

I'm creating a basic page like the on below. Problem is evertime I refresh the page or spawn a "child window" out of the pre-existing browser the Session object is recreated with a new sessionID. Am I doing something wrong? is it possible it could be the hosting company? Any suggestion would ...more >>

Hello! I am quite new to C#, and one concept that really gives me a headache is "indexer". I have gone through the MSDN examples, and, at some level know how to use indexers. But, the thing is I do not understand the specification that says something along this line "with indexers you can i...more >>

I have a three part question concerning the proper use of Dispose -- specifically when I have a collection of elements (contianed in an ArrayList) that each implement the IDisposable interface. First, if my class declares disposable members, then I must also implement IDispoable. Is thsi corr...more >>

Using: ASP.Net 2.0 C# for code behind I'm slowly migrating a project into the .Net realm from ASP. One of the first things I've been asked to do is replace a tree navigation control (java applet), with the ASP.Net TreeView. The tree resides in a frame, and when a link is clicked, has to ...more >>

For Each item In Request.Form If IsNumeric(item) Then Try Approved(item) Catch ex As Exception Response.Write(ex.Message) End Try End If Next this is code in vb.net to g...more >>

Hello all, Is it possible to use String.Format() to specify a maximum length for a formatted item? For example, let's say I have: String.Format("{0}", "FREDDY"); How can I specify that the result of the formatting should be a string no longer than, say, 3 characters? I know I can easily...more >>

Hi, I am trying to let the user add a row in the datagrid and enter in the data. The new row shows up, but the user cannot edit it. DataTable dt = (DataTable)grid.DataSource; DataRow dr = dt.NewRow(); dt.Rows.InsertAt(dr, grid.CurrentRowIndex); dt.AcceptChanges(); Also, I cannot delete...more >>

Hi All, Can anyone give me some leads towards uploading the excel file contents into SQL Database Regards Kuldeep ...more >>

Hi, Is there a way to know if a class inherits from a particular interface using Type information and reflection ? Thanks in advance .. ...more >>

Hi! I've created an C# project, added DataSet and created a table adaptor (WorkerClothesReport). I've created several GetData() functions and can preview their output. Next, I've created a Crystal report with WorkerClothes as data input. In my main window I've added report viewer and in...more >>

Hi, How do you integrate an application into windows, for instance right clicking a file on the desktop or in a folder brings up a menu of things you can do (delete, rename, send to..) I wish to add my application to this context menu. thanks in advance ...more >>

Here is the scenario. I have a manager class that accepts objects of a given base type. When I want the object to be processed by the manager I pass it to the manager which then assigns an ID to the object passed in. The user can then retrieve that ID. The problem is that the manager must be a...more >>

How should I write a headless application for a CE 5.0 Compact Framework v2 device and what should I beware of? An example e.g. is highly appreciated. Thanks, Ole ...more >>

Hi, I have add a value(name String1) into Resource1.resx. How can I refer it in code? ...more >>

Use Case: We have music files that describe, in their filename, attributes of the music. We do not know a general pattern that applies to all filenames -- but we do know that filenames that are clustered together (by for example directory) will, most likely, have the same filename pattern. H...more >>

Hi, I would like to know if it is possible to call a dll written in C# (.NET 2.0) from an app written in C# (.NET 1.0). I tried to do this but I received an execution error saying that my dll is incompatible ("version 2.0 is not a compatible version"). I also would like to know if it is pos...more >>

Hi, I'm just wrapping my head around regex and am pretty sure it can do the task at hand - but it's too complex for my brain to process -- so am throwing it out there for you experts to comment on. I am posing two questions. In the interests of space and focus, I'll post a separate thread for...more >>

Hi I have an asp with a single button. This invokes a method in one of my classes which performs a terribly long process - can take 15 or 20 minutes. What is the best way to handle this sort of situation? If I just call my long method then the browser eventually times out. Can I start a thr...more >>

Hi , Just wondering is there a simple way to extract the names of all the assemblies placed in your bin folder ? thanks in advance.. ...more >>

In SQL 2000, I have paratitioned the data. I have a view that unions the tables to gether. Is there a way to update the records or add a record without having to write code to figure out which paratition the record needs to go in....more >>

Hi everyone, I'm coverting some of our code here from the old way of send email in ..net 1.1 to the new .net 2.0. However, everyone I switch the code the new method there is a delay of 1-2 minutes before an email is sent (this is on my local computer point to my local smtp -> localhost). Anyo...more >>

Well I'm sure most of you guys that converted from C++ to C# had this problem: how can I bring my C++ code over? (in my case it would be much to difficult to rewrite it) I need to bring over a few classes and structs. Being a complete beginner to C#, almost everything I read on the subject ...more >>

My application needs to call Oracle function using oracle client 9.2. The oracle function returns boolean value from its returned parameter. The name space that I used is system.data.oracleclient. found out there is no boolean type in Oracle parameter in OracleType. How can I get the returned ...more >>

Hi, I'm going to develop a socket communication between an instrument (running CE 5.0 with Compact Fraework V2) and a PC. As the instrument should only connect to one PC at a time I believe that the sync version of the socket should be the easiest - or what??? (please tell if I'm wrong). ...more >>

I have a datagridview which is linked to a table which has 3 fields with the primary key being an autoincrement (tinyint). I use the wizard to create sqldataadapter, dataset and datagridview. Now when I try to enter second row, I get error : "PrimaryKey1 cannot be null". (Primarykey1 is the na...more >>

Hi all I have a class in C#, and I want to expose it as a COM DLL for use in an ASP page. Any ideas? Thanks Kev ...more >>

Is there in C# an analog of the With <some obj> - End With construction of VB? Thanks. ...more >>

hi, I have created nice factory/product classes to parse a big xml file and create a custom obj. i plan to instantiate the opening of the xml file in the factory and have the actual parse code in the product classes. So several "products" are going to use the different sections of the XML fil...more >>

Am I missing something here? It looks like the generic Queue<T> implements Enumerable<T> and ICollection but not ICollection<T>. (I want to use it in an interface that wants an ICollection<T>.) Is there a reason for this, or is it just an oversight in .NET 2.0? Is there a computationally...more >>

Hi all, I have 2 jobs running windows apps (C#) scheduled on windows scheduler. There is a dependency with this, the second job cannot start until the first job finishes running. Both the jobs run the same app but with different parameters. Please give me some ideas on how to do this, whe...more >>

Hi everyone, Recently I have posted a question regarding special characters in text files. I was trying to read the text file to process the text later on, but I was using the wrong encoding. The correct encoding turned out to be extended ASCII (850). But now I'd like to store the result...more >>

Hi Can anyone give suggestions please. I need to create a list (probably using listbox) and fill with names in the listbox. When I enter a name (maybe Adam) in a program (notepad, MS words, other program), the list of names appear. How can I select the name in the listbox with the keyboa...more >>

Hi, I've got a byte array containing some image data, and I am writing it to the web browser on the fly as a PNG file. The problem that I am having is that I want to be able to change one of the colours within the file to transparent. I have tried searching Google for the answer, but I'm no...more >>

I have rows of 8 numerical values in a text file that I have to parse. Each value must occupy 10 spaces and can be either a decimal or an integer. // these are valid - each fit in a 10 character block 123.8 123.8 1234.567 12345 12345 1234.567 // these are not valid ...more >>

Hi, I am using a Mysql Database with c# and I am trying to insert a record in my table. My code is as follows. MySqlConnection mySqlConnection = new MySqlConnection("Network Address=localhost;Initial Catalog='test'; User Name='root';Password='tottenham'"); // MySqlCommand mySqlCommand =...more >>

.... inform Win Forms Designer that some code shouldn't be executed in design time... ...more >>

Hi All, Is it possible to find which object (textbox,listview etc) has the focus without testing each and every object on the form. Thank You. ...more >>

How do I add a summary remark to a C# class? -- Arne Garvander (I program VB.Net for fun and C# to get paid.)...more >>

I am using a legacy DLL and need to marshal some structures for use in the DLL. For the most part, I have figured out my needs except for one small item. I have a structure that contain, among other items, an array of bools (not BOOL). The array is a fixed size and is contained in the struc...more >>

When one overrides the Equals() method of an object, one is supposed to override GetHashCode() as well and this makes good sense. But I have seen lots of people who do this and do not override the == and != opperators. Am I missing something or when would one want to have different implementati...more >>

Hi, is there any easy way to restart my computer... I have XP installed on my machin. I have tried this code but it is not working, I am getting an exception every time it runs. ManagementClass W32_OS = new ManagementClass("Win32_OperatingSystem"); ManagementBaseObject inParams, outP...more >>

Hi, Have a requirement where new items may be added later to an existing list of items. These new items may have new features but will need to contain minimum basic features like description and price. These items should be added to the existing code without the code being needed to be recom...more >>

I am using the Webbrowser control in VS 2005 C# Express to automate the navigation of pages on a partner's web site. The first page contains an <IFRAME> element: <iframe style='width:40; height:40'; align='center' marginwidth='0' marginheight='0' scrolling='no' frameborder='0' id='xyzlogin'...more >>

I am starting to study dot net languages, and I'm wondering - which language do employers look for - C# or VB.net? Are they both equally powerful languages? Thanks, BD ...more >>

How do I find the full path where my current process is executed from? System.Environment.CurrentDirectory and System.IO.Directory.GetCurrentDirectory is not good enough because they may be changed any many circumstance and not reflect the original location the current process is started from...more >>

How do I send a word document as an attachement to a http call? Guess I have to parse it to bytes - does anyone know how this is done? Thanks for any help you can provide :) neoret ...more >>

Hi all, I have a slight problem when it comes to finding a USB Port being attached to my PC. At present I can detect that the a USB Port has been attached using the : public struct BroadcastHeader //_DEV_BROADCAST_HDR { public int Size; //dbch_size public DeviceType ...more >>

Hi, I am going to make a dicom viewer with help of java free source code. But i totally confused to how i convert Java ColorModal into Corresponding csharp. If any have idea please help me With Regards. Neeraj Kumar ...more >>

Given a full path (C:\Dir1\Dir2\... or \\host\dir1\dir1 etc.), How can I tell if the root drive of the path is a local drive or mapped network drive? -------- Thanks Sharon...more >>

Hello, when running the code below, it returns the error message: "The requested URI is invalid for this FTP command.". I have confirmed the FTP URI is correct and working through a standalone FTP client as well as windows explorer, the domain\username and password are also valid auths. I...more >>

Hello, I probably don't see the obvious, but maybe you can help me out of this mess. The following is my problem: I created two classes NormDistribution and DiscDistribution. Both classes provide an implemation of the operator +. Now I want to write another generic class Plan<DType>, whi...more >>