Hi , how can iconvert the chinese character (unicode) to HEX value ? is that i need to convert it to ASCII then convert to Hex ? ...more >>

Does anyone know if MenuItems.Clear is smart enough to unregisters all events associated with each contained MenuItem? Regards, Jeff *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

Hello, I wrote an ActiveX in MFC. I use it in a C# application (forms). My computer has a screen resolution of 1280x1024 with 96PPP (Important !!) I insert my activex in a form, I compile and run all is ok !! But now I want to use my application in an other computer with screen resoluti...more >>

I have a program that runs as a windows service waking up at predefined intervals to send out mails. Each mail is based on a template with tags to replace with database data from that specific row (mail merge type of operation). Every so often the parsing is only half-done; but I’ve seen the...more >>

Hi to all. I'm looking for a good Obfuscator, prefrebly free. Thanks. Sharon. ...more >>

(Type your message here) how to pass data from one form to other when i click on the button of form1 i need to pass data to form2 with click event of the button of form1 -------------------------------- From: satender kumar ----------------------- Posted by a user from .NET 247 (http:...more >>

Hi, I have an ArrayList of decimals, and I want to figure out which two are the closest (least difference) from one another. I know I can loop through the decimals, but this is very tedious and some people have told me there are easier ways. Here is an example - ArrayList contains: 1....more >>

Hi all, Im using Microsoft Excel 11.0 Object Library as my program reference to create an Excel object, everything works fine but I notice that a process named EXCEL.EXE will run on the backgraound once a while after runing the program. Anyone know what's the peoblem? Thankx. -- Message post...more >>

This is a 2-part question: 1) I have a web form with multiple ImageButtons on it. I'd like them all to do the same thing. Basically, in english-code, the function would be as follows: Set Session variable X to the ImageURL of the button that invoked me; Forward the user to a spec...more >>

Hi All, I am having problem in ListViewControl which has items with CheckBoxes. When I use the CheckState event, the ListViewItem whatever I checked still contains the old CheckState and has not changed to the new CheckState. Is this a bug? Any suggestions please? Thanks Anand G...more >>

Hi y'all, When I make a control visible that has several subordinate controls in it, how can I direct the focuss to the first subcontrol. Thanx, Bill ...more >>

I'm trying to parse a string into a DateTime object. I want to try using ParseExact to see if I can improve performance of a frequently-called method (i.e., please don't suggest using Parse()). My code looks like this: IFormatProvider fp = new System.Globalization.CultureInfo ("en-US")...more >>

Hi, Is there a non-obsolete alternative to the obsolete GetCurrentThreadID? I just need an ID (ideally, an int) that will distinguish any two threads. Thanks. ...more >>

I am writing an app that might largely benefit from using a struct instead of a class. However, it needs to be rich enough where there are methods available. My question is - every time you call a method on a struct, is it boxed? Because that would be a huge perf hit. I am assuming that...more >>

Hi, There are some way to know which object (A) create an instance of object (B) in the constructor of object (B)? Thanks. ...more >>

Hello all: I am having some difficulty trying to bind some Date Time Picker controls to a database that may have Null values in some of these fields. I continue to get the following error: "Object cannot be cast from DBNull to other types." I have tried to manually set the values to a ...more >>

Is it possible to compare a double with a float in c# without casting to one of the types first? It appears you cannot... float num = 1.545f; double dnum = 1.545; if (dnum == num) { Console.WriteLine("You can"); } else { Console.WriteLine("You cant"); }...more >>

Hi everyone, I like to use the dataset object for reading the following XML. <?xml version="1.0" encoding="utf-8"?> <ORDERS> <ORDER> <GENERALCONTACT> <FirstName>FirstName1</FirstName> <LastName>LastName1</LastName> <Company>Company1</Company> </GENERALCONTACT> ...more >>

I have a prototype program that has a blank main form. The form client area is originally sized to half the screen height and width. A large control is then displayed, centered in the form and it remains centered upon resizing. everything worked like a champ. Then I added a MainMenu to the f...more >>

Hello, I'm developing a C# - windows forms application. To get some information for my application, I'm connecting to an URL, wich gives me XML generated using php. With 90% of the users, this code just works fine: [code] WebRequest request = WebRequest.Create(URL); try { request...more >>

I got my menu stuff figured out. I created a main menu with one menu item (menuItem1). When selected, it fills in submenu items and links them to a click method. On each select, the subitems are cleared out. I have two more questions 1. When I do the RemoveAt, is the link to the clicker ...more >>

I created a wrapper class for a dll written in C. Will the following code prevent the "ENTIRE ARRAY" from being moved, not just the first array element? The Wrapper class will be instantiated in a VB .NET application which doesn't have the ability to prevent the array from being moved. Th...more >>

I do not understand why when a dragging operation is started with DoDragDrop, no exception is handled. The following lines illustrate what I mean. In Form2_DragDrop event, I raise an exception at the line "int b=1/a" (so the message After Exception will not be shown). Why this exception will be ...more >>

Hi, can anyone please tell me (Given a group name) how I can retrieve just those users associated with that group using Active Directory using LDAP?? I am using the code below with not much luck [code] DirectoryEntry entry = new DirectoryEntry("LDAP://" + Domain,"LoginUser","Password"); Di...more >>

Hi, I have an Image that is drawn with Graphics.DrawImage(..). What I want to do is drawing it with a given transparency, e.g. at an alpha of only 180 instead of 255. How am I doing that?!?!? Regards, Felix...more >>

I have an application in c# with oracle db, when i try to login (autenticate the user and password) it shows me an error message : erro_fail :(0x80004005) i don't think it is a problem with the db... If some one knows what can be the problem ???? -- Message posted via http://www.dotnetmonste...more >>

Hi. I want to know hi i can show a combo without any text value, after y make a databinding with it. Thanks ...more >>

Hello, We developed a DLL using C++ and I am calling the methods on the DLL using p/Invoke from managed code. The application runs well both as a console application and as a Windows Service application on Windows 2000 machine. But on windows 2003 server (Standard Edition), only console appl...more >>

I'm writing a program that deals extensively with the printer. For the most part my application runs fine, but occasionally I run into some Exceptions. The most common exceptions I run into are NullReferenceException and InvalidOperationException : The object is currently in use elsewhere. ...more >>

I have a menu set up as follows. Main Menu Windows Window List <list of windows) <Other window options> When I click on "Window List", I want to pop up a list of window names from a string array. I haven't worked with this in a while and am drawing a bla...more >>

Hi, Is there a way to discover all the classes within a given namespace? thanks ...more >>

I wrote a program which includes a timer event in it but if my program executes on windows 98 the timer event is not running is something like that possible Thanks ...more >>

Hello there, Why is it that I sometimes see this construct //case 1 if ( null == myVariable) { //...etc } //case 2 if ( myVariable == null) { //...etc } Basically, what is the difference between the two? ...more >>

Hi all would like to know how to change file security. i.e. i have a file that i need to give security permissions to user MYMACHINE\aspnet. how do i programmatically do that? instead of manually right mouse clicking on a file --> properties --> security tab --> adding user there. i would lik...more >>

Hi; My code below doesn=B4t work well in windows 98 only. I use them in windows XP and it=B4s OK. thisBuilder =3D new OleDbCommandBuilder (thisAdapter); thisDataSet =3D new DataSet=20 (); thisAdapter.Fill=20 (thisDataSet, "sigla"); DataColumn[] keys =3D new=20 DataColu...more >>

Hey, Can I register an Assembly to the GAC programatically __WITHOUT__ using gacutil? Thanks ahead --Ram ...more >>

Hi guys, I got two files (*.lib) which is written by VC++ or ANSI C from a thrid party. I am now starting to develop a interface to call these library through C#. I have no idea on what to do as I dont' know the content inside the library file(e.g. constructor, member functions) and I don't ha...more >>

Hi all, I am writing a windows forms app that I want to connect to our equipment over an ADSL connection, this equipment contains data that I wish to download. Which, in your opinions, is the best route to go to transfer this file: FTP, I have read that this can be unreliable, and needs ...more >>

I have an array of of 5 string elements. I put values in 3 of them. Yet when I loop over them, I do not catch the empty string. The code output below does not include "Empty" string[]x=new String[5]; x[0]="111"; x[1]="222"; x[2]="333"; string msg=""; for(int i=0;i<x.Length;i++) { ...more >>

Hi *, I'm wondering if it is possible to create a C# object, and reference it *explicitly* in an excel document. I imagine this will be more possible if I programmatically populate the excel sheet cells, but I would like to avoid this. I'm thinking something like this: object1: DataArr...more >>

Hi. I'm writing a program, and I need to send confidential data through the network, so I decided to use encryption, using the System.Security.Cryptography namespace. I'm using the sockets for the network communications, and the program first does a key exchange, with the asymetric ciphe...more >>

I manage to fill treeview control with data and I would like to search through that data. In child I have names of films, and when I click on one of them I would like to show it's information in grid. How? Hrcko ...more >>

Hi, My c#-prog shall call some https URLs at our webserver. It has a self-signed certificate. I also use IE per COM-Control to call a website at our server (also https). How can I install the certificate programmatically through setup or in the program itself in windows (or ie) to get rid ...more >>

Hi everyone! I'm a newcomer in C#, I'm trying to send battery-life status values via UDP packets to a remote machine. I get these values, now i've to put them in UDP messages and send... could you help me in any way???? Thanks in advance for any help you can provide! Alessandro...more >>

I need an application to start run it's process, and save a log as it goes, it will be automated with a scheduled task and as such requires no interface. I don't want to use a service as it only needs to run once or twice a week. How would one go about making an application with no interface a...more >>

Hi. I have a problem. I'm creating a structure - looks like this: <c#> [StructLayout(LayoutKind.Sequential, Pack=2)] internal struct TwEnumeration { public ushort ItemType; public uint NumItems; public uint CurrentIndex; public uint DefaultIndex; [MarshalAs(UnmanagedType.ByValAr...more >>

Hi, I have a set of Forms and wish to have a varible used by more than one of them but can't seem to figure where to initialise it or how to acess it if I initialise it in a different form than the one that is accessing it! Any help appreciated! Denis Posted Via Usenet.com Premium ...more >>

Hello All I have schema as such: <xs:element name="OFDateProxies"> <xs:complexType> <xs:sequence> <xs:element name="M_CRProxy_OID" msdata:DataType="System.Guid, mscorlib, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" type="xs:string" /> <xs:element name="M_CRP...more >>

Hi, Can anyone tell me how to obtain access to controls (MenuItems and Buttons) so that I can create a parent forms method to control the switching of Enabled on/off for same? I am a Delphi programmer converting to C#. Thanks in advance, Roger....more >>

Hello all, I am having a problem where I get an error message when I call FlushFinalBlock when decrypting my encrypted text. I am using the Rijndael algorithm. The error message is "Length of the data to decrypt is invalid" and occurs on the csDecrypt.FlushFinalBlock. Please find below...more >>

I have a c# program that compacts upto 7 access databases (the user can choose which ones to compact). After the compacting has completed, I would like to show a details report or form that displays the following database Before After % Master ...more >>

hi ng, i want to invoke a dynamically created object with reflection, like: public static object createInstance(string classname, string assemblyName) { object obj=null; Assembly assembly= Assembly.LoadFile(assemblyName); obj=assembly.CreateInstance(classname); return obj; } what ha...more >>

Hi, I'm having problems with running an exe file created with C# on computers which do not have VS C# installed. Is there any way to make it run on any computers? Do I need to put my source code into an installer package? If so where can I find it? Sorry for many questions, thx in advanc...more >>

Hi there, I've a custom control and I would like to place a MainMenu on it, What is best approach for this? Thanks in advance. Brian...more >>

Hi, I'm trying to update a SQLServer table via a call to a stored procedure using the DataSet.Update(dataset) function. What I'm not sure about is how does this dataset get interpreted on the Database side. I can't pass a dataset/table as a SQLParameter so how does it handle the dataset? ...more >>

Hi I have the following code private string GetUser() { Decryption decrypt = new Decryption(); return (string) decrypt.DecodeText("agyL70eOPb=", key); } which calls this static method public class Decryption { public static string DecodeText(string encrypted, string source) { strin...more >>

Hi, I want to encrypt some short text. I've chosen Rijndael algorithm (AES) for the encryption. The encryption process rounds the lenght of the input string to a multiple of 16. Then I have to store the cipher output in a database as string, with a MAXIMUM lenght of 100 chars. To store the ci...more >>