Given this: string s; int i = 0; why does this work: s = "Hello" + i; but this doesn't: s = i; Thanks....more >>

I need to name the controls uniquely so I can load/access their items. Ie: a listbox control. I need to create a variable number of controls. I tried to name them like this: DropListControl ddlControl+ctr = new DropListControl(); This doesn't work. Can anyone offer suggestions? Thanks...more >>

Hi all, I am having problem setting focus to a textbox in form load. Should it be set in a different place ? thank you. ...more >>

Hi all, I have tried setting the Format of a FormattableTextBoxColumn to "c" to display the values as currency but it does not seem to have any affect. Could I be missing something? Thanks Gav ...more >>

static void Main() { using (WinForm our_directx_form = new WinForm()) { Application.Run(our_directx_form); } } beginner question: Is WinForm a type? I can't find it in the language reference on MS...more >>

I'm using the dialog as a file selector function. I want the dialog to stay open until the user Cancels. If I build my own handler for the FileOK event that does nothing, will anything else in the dialog's innards get screwed up? Ken ...more >>

test...more >>

in C# how do i transform an xml document with an xsl document when my xml document is a string and my xsl document is a string? the msdn examples only show how to do it with steams and files. in my case i have everything in string ...more >>

I have a variable that is part of my dataset (a double int datatype), and I need to use this variable in an ItemDataBound for a datagrid. When debugging and looking at the StackTrace, the Specified cast not valid error is pointing to my double int that i need to assign to 'price' , which was dec...more >>

I'm in the process of creating a multicast application but I'm having difficulty getting the UDPClient to work. The UDPClient works on my local machine only, not across the network. I've been able to get the multicast message to work across a network by creating a socket, but I can't get it t...more >>

I have an app in which i use a lot of images ( Bitmaps and Pngs). Most of the time i make a good use out of imagelist control sometimes i just drop images in the project rather than in image list (use Bitmap m = new Bitmap(GetType(), "image.bmp"); syntax). (I will be cleaning it all up when...more >>

FxCop complains every time I catch System.Exception. I don't see the value in trying to catch every possible exception type (or even figuring out what exceptions can be caught) by a given block of code, when System.Exception seems to get the job done for me. My application is an ASP.Net ...more >>

Is it advisable to compile a Regex for a massively scalable ASP.NET web-application ? How exactly does this work ? Do you create a separate class library and expose the Regex.Replace() as a method ..... ..... or can you just use the syntax : result = Regex.Replace(source,<pattern>,<...more >>

Hi, I have a puzzling case here: using System; namespace TestOverrides { class Class1 { [STAThread] static void Main(string[] args) { Ancestor dummy = new SubClass(); Container.Hello(dummy); } } class Ancestor { public String Field1 = "Field1"; } c...more >>

Hi all, I'm doing some custom RAS work and I need to marshal the struct definition below. The marshaling is no problem, however how can I acheive the effect of the windows version pre-processor check in C#? typedef struct tagRASDIALEXTENSIONS { DWORD dwSize; DWORD dwfOption...more >>

Hi, Is it possible to get the sort order of a datatable column in a datagrid using System.Reflection? Thanks, Mel...more >>

Hi All I am presently dealing a project using C#.NET,in which i have to read an PPT file and replace some of it content with the desired one. Is it possible in C#.NET ? Please help me in this regard. Thanks in advance Regards Vighneswar ...more >>

Is these a way to do a template design on a Windows App? ...more >>

DateTime someDate; Int16 weekOfYear; How you get weekOfYear of someDate if the first day of week is monday and not sunday? Regards, S ...more >>

1. How to introduce delay or decrease the framerate of MPEG Movie file in C#. 2. Is there any way to introduce delay between already defined movie format. let say -2x, -4x etc..any logic please recommend. Mahesh ...more >>

Hi, Can someone please tell me how I can on a click of a button minimize my Win form application and show my application icon under toolbars->desktop icons (bottom right of the screen). I want my application to continue running in the background. Thanks Maz. ...more >>

Currently I'm working on a C# app for a large organization (700 users nationwide). This App is still under development. I have setup code in my App to pull C# source code from a database and dynamically compile it at runtime. All source code stored in the database will be of Type Form and a...more >>

I have code <span id="Name"><%# Container.DataItem("Name")%></span> that I load information into the page using. I want to perform a replace on the returned value to replace "'" with "/'". Can anyone help with the syntax? Thanks ...more >>

I have an API DLL with a handful of methods, which I wrapped in DllImport-attributed methods in C#. Everything works fine, however, one of the methods takes an open file handle (as an int) to write its execution log into. Is there a way in .NET to create such a handle to pass to the method? ...more >>

How can I have more the one event on button click? First click --> one event Second click --> second event Hrcko ...more >>

Recently I asked a similar question but not quite this one and the responses, which helped, won't help me with this. My application is browser based. The button in question will cause a report to be sent to a browser to be printed. I have to do some basic housekeeping first. It might be th...more >>

ArrayList can support Multimensional Array? If answer is Yes How I can DO? Sorry for my english. ...more >>

I have used simple batch statments with C#.for example: string select = "select model from cars where id = ?;select * from trucks where model = ?"; where ? is a parameter whose value i have before running the bach statment. I was wondering if it possible to use the value (model) retuned in t...more >>

hi there , i want to do something fairly simple (well it was simple in PERL) using the replace function of Regex... but i cannot find the docs to help me on it... i want to use a regex to find a string: ^HOST=(.+);[^;]*$ and then replace group 1 (inside the .+) with another string... say ...more >>

Using the XmlSerializer to deserialize a double.NaN value generates an exception in the framework which the framework then catches. This is super undesirable in our application, because our developers have the IDE set to break into the debugger on ALL Common Language Runtime Exceptions. Ca...more >>

I have a TreeView control in the left panel of a SplitContainer. When I click on various nodes in the TreeView I would like different sets of buttons and textboxes to appear in the right panel. Is this doable? Also, it seems that the TreeView nodes do not have a click event. Is that corr...more >>

////////////////////// // // What I'm after // ///////////////////// The closest equivalent to the WaitForSingleObject / WaitForMultipleObject in ..NET land ////////////////////// // // What I'm using // ///////////////////// Derivatives of WaitHandle, namely AutoResetEvent Code ...more >>

I use a class to manage tiff's (written by someone else) to splitt multipage tiffs. However, when I run it, it fails, for other people it seems work ok. The method in the class is :public ArrayList SplitTiffImage(string outPutDirectory,EncoderValue format) { string fileStartString=ou...more >>

Hi There, I have a child window opened from aspx page using window.open. On the child window, I have a button(New category) which opens a grandchild. I also have a cancel button on the child window which when clicked should close the child and the granchild windows. Can anybody suggest me how t...more >>

Hi all. I am developing a simple game for pocket pc platform. Ony of my use case is: Two players can have a duel if they are in wi fi connection range. It means that I have to scan environment and establish a connection from a source level. Does anyone know what kinf of tools/technology should...more >>

Greetings, This ugly code was written by a VBScript programmer who moved to C# without taking the time to properly learn the language. object Price = reader["Price"]; object OutStandingShares = reader["OutStandingShares"]; if(Price != null && OutStandingShares != null) { lblMarketCap.T...more >>

I'd love to get Emacs/Epsilon emu mode back for the VS code editor. Is there any way to do this? Apparently 2005b2 has an option for "Apply the following additional keyboard mapping scheme' and one of the opts is Emacs. What does that do exactly? ...more >>

I've got a few apps that were designed to be used via MSDOS window. They make use of the old-style VC++6 Console class for doing writes, cursor repositioning, scrolling, etc. (Unfortunate name clash with the new .NET console class, so it's tough to search for info). Has anyone written a C# or...more >>

Hi all, I'm implementing the Clone() method through the ICloneable interface and don't quite know how deep I need to go for a deep copy. Example: class A: ICloneable { object _val; //Val will always be a value type A(object val) { _val = val; } object Clone() ...more >>

Hi, 1. It seems to me that there is a bug when using non-blocking socket connect operation, because the LocalEndPoint, RemoteEndPoint of the Socket are nulls on the client side although that the client and the server are already connected. 2. If it is a bug, is there any hotfix for thi...more >>

Hi all, Do you know if it is possible to hide class methods when the class has not been "properly" instantiated? Say in the following example, I'd like to hide or disable Drive() when the numWheels == 0. class Car { int _numWheels; Car() { _numWheels = 0; } Car(...more >>

In my application, I want to copy some file from network location to local machine folder. It works fine for administrator but If I run it with restricted user (not having permissions to local machine folder) it gives me Access denied error. How can I programmatically give permission to the...more >>

Hello Everybody, We are creating a new project on Virtual Private Networking (VPN), and it is decided to use VC++. I actually want to know that is can be achived by VC#.NET or not. You all know how and what level VPN can reach. If this is possible using C# then what are the main namespaces i ...more >>

I have a dataset that contains a parent table and a child table. A DataRelation exists between the two. I was under the impression from reading the VS docs that when I filled the parent table, the child table would be automatically filled with the child records. When I fill the parent, I limit t...more >>

Up to this point, our application has been using Windows File Sharing to transfer files to and from our application document repository. This approach does not lend itself toward a secure environment and so we are in the process of imposing a WebService gateway between our application client ...more >>

Hi , i have problem about sending data over socket . It waits for another socket.send // str = Encoding.ASCII.GetBytes("hello"); socket.Send(str,0,str.Length,SocketFlags.None); socket.Receive(strincome,0,socket.Available,SocketFlags.None); // return "hello to you " // str =Encoding.A...more >>

How I can import new data form table in existing one. The tables are same, for e.g. Table 1 ID | FirstName | Last Name Table 2 ID | FirstName | Last Name Only data are different. How I can do that? Some example can be very useful Thanks ...more >>

OS: Winxp sp2 Visual Studio 2005 Beta 1 Added Files: dotnetfx sdkFramework1.1 ErrrorMessages: Warning 1 The referenced component 'OpenNETCF' could not be found. Warning 2 Couldn't resolve this reference. Could not locate assembly "OpenNETCF" Error 3 The type or namespace name 'O...more >>

Hello, Iam developing a sharepoint webpart which needs to read data from an excel file. Iam using OleDbconnection for reading data from excel. However using OleDbconnection object gives the following error: "Request Failed: System.Security.SecurityException." no other error descriptio...more >>

Hi, I am thinking in the banking systems, the COBOL and IBM combinations. And in the ASP.Net C#, is this a stable solution for applications running on banking system? I am asking this 'cuz I am thinking what the real value of the ASP.Net is. Any advice will be appreciated. Jason ...more >>

How to get a list of domains? Hrcko ...more >>

Hi all, There is a problem about single sign on not base on SharePoint . There are different web base application in my network group and all of them are not develop by the same technology, such as some were made by jsp,and some were made by asp.net another were made asp and php etc.How can ...more >>

Hello Group, In my application I create new DataTable (name : myTable). How save this table on sql server as myTable. Thx PawelR ...more >>

Good Morning, I want to create a mail using aspx and c# , I need a plain text mail, not an html mail but I need to insert an url inside it. I want to know if it is possible to have a link like this http://ww.etantonio.it but instead of the link it is showed something like "Click Me", I know th...more >>