Do anyone have a simple solution how I can send a simple message (int) from a C program to a C# program/service ? Preferred both ways C <-> C# (Windows messages - how ?) It must be extremely easy and in-memory (no disk media). Best regards, Newbie GTi ...more >>

How can I this but using the dbReader instead of the streamreader and get all the items instead of the last one in my text file i'm populating? this works fine: StreamReader sr = new StreamReader("file.txt"); string lines = sr.ReadLine(); while((line = sr.ReadLine()) !=null) { //...more >>

im having a small bug now where if i give a http header GET / with a connection: keep-alive i cant tell when the server is done sending. If i say connection: close i dont have a problem. Here is breifly my code. remember this works fine if i say Connection: close in the http header, if i ...more >>

If I have a byte[] how would I port code from C++ to manipulate the byte array as if it were a long[]? For example: // C++ // assume the following // unsigned char* m_pPalette; // unsigned char* m_pData; // DWORD* pDest= (DWORD*)m_pData; DWORD* pSrc = (DWORD*)m_pPalette; int i; for (...more >>

i have a dataset and the first row of the dataset is empty. It looks like this <NewDataSet> <ImportData /> <ImportData> <State>Delaware</State> <City>Dover</City> </ImportData> <ImportData> <State>New York</State> <City>Fishkill</City> ...more >>

I have some complex (fairly) user controls that I have created. Some of those user controls host other user controls. When I host one of these on a WinForm, I sometimes run into problems where the designer blows up with an "Object Reference Not Set to an Instance of an Object". Sometimes it...more >>

Hi,all U can download dotNetHookLibrary in http://dotnethook.sourceforge.net . for instance, I have the fellowing code : //------------------------------------------------------------------------ using System; namespace hook { class Class1 { [STAThread] static void Main(string...more >>

Hi, I'm looking some way to get the name of a specific property of an object. For example instead of having to specify the property name as a literal like this: MyObject obj = New MyObject(); DoSomethingWithAProperty(obj, "MyProperty"); I would like to be able to look up th...more >>

I am trying use the following code to update sql. The problem is it only works once, then I get a message that the '@Param1' can only be used once. I need to know how to reuse these things or reset them!! Can any one please help me, you see I am new to this type of code. try { sqlInser...more >>

I knew that "Hide" doesn't work with Tabpage if I want to hide it. I should use Remove/Add. But I have some other controls in the tabpage which I don't want to use code to dynamiclly create them. If I use remove to remove that tabpage and later use add to add it back in, I have to write cod...more >>

Seems like there ought to be a method that copies an object. If I do something like this: System.Data.Odbc.OdbcCommand cmd; cmd = new OdbcCommand(); cmd.Connection = odbc_Categories; cmd.CommandText = "SELECT * FROM \"tblCategory\" ORDER BY \"Category\""; odbcDA_CatSubCats.Select...more >>

I am having trouble using the ComboBox in my app. I am attempting to use the text from the ComboBox, to search the list box portion. However: In my "TextChanged" event: I cannot get the value of the entered text. Below is my code. private void cbEdit_TextChanged(object sender, System.E...more >>

I have an sql string in a C# script: "SELECT d.salesrep_id FROM tblDeal as d WHERE d.orderdate = '" & request.querystring("boarddate") & "';"; ....but I can't use request.querystring because it is vb.net . Is there a comparable statement in c# that works? thanks ..NetSports ...more >>

How do you reference a class constructor in a <see> or <seealso> tag? using System; namespace MyNamespace { /// <summary> /// Does some stuff on some stuff. /// </summary> /// <remarks> /// See <see cref="!!!HELP!!! WHAT DO I PUT HERE?!?!?!"/> for an example. /// <...more >>

When I invoke DA.Update(DataSetName, TableName) it invokes the DeleteCommand even though no rows have been deleted. This happens when a row has been altered. Anyone have an explanation for this? How about a way to fix it? ...more >>

I am trying to write to the registry and the objects that are suppose to be handling this function are not working. Here is what is happening. I am issuing the following commands: RegistryKey reg = Registry.CurrentUser.OpenSubKey("Software\\mykey\\mysubkey\\Settings", true); reg.SetVal...more >>

Consider the following code snippet: using System; enum E { A, } struct T { public static explicit operator T(int i) { return new T(); } public static void Foo() { E e = 0; IntPtr ptr = (IntPtr)e; // case 1: compiles fine T t = (T)e; // case 2: gives ...more >>

Hi all, How can I generate HTML from data stored in the dataset usingxml and xslt? Does anyone have any sample or pointers to any articles on this subject? Thanks in advance... ...more >>

Hi I have created a dll (xyz.dll) and an exe (abc.exe) that I would like to put up as an open source. I would also like to give a set of directories that contains sample programs that demonstrates the usage of the 'xyz.dll' and 'abc.exe'. How would I distribute/package it ? Where should the...more >>

hi.. i'm about to create a small winform application, the code in it is rather sensitive, and since i read lots of stuff of how easy it is to decompile an assembly, and how a winform application is not suitable for commercial products, i'm thinking about doing it in vb6 (it does use tables in...more >>

Can anyone comment specifically on the ComponentOne Studio Enterprise 2005. I am in the need of a component libray for winforms and I am considering purchasing this one. Any comments about it would be greatly appreciated. Thanks, Yohaas ...more >>

This whole dispose topic confuses me regarding managed and unmanaged resources. I think that it was easier when you just cleaned up every object, which brings me to my problem. I have some classes that have Hashtables collections defined as class variables. In the past, when I was done wi...more >>

In c# , I use wmi to monitor print job but I need to get PrintJob 's number of copies and wmi don't expose it. So i think to use win API but I am a newbie of Pinvoke. This is function declaration: [DllImport("winspool.drv", EntryPoint="GetJob")] public static extern int GetJobA (int hPrint...more >>

I created ActiveX as following: namespace BmpActiveXNET { public interface DesktopScreen { string getDesktopScreen(); } [ClassInterface(ClassInterfaceType.AutoDual)] public class BmpActiveX:DesktopScreen { public string getDesktopScreen() ...more >>

(Type your message here) how can i use tcpclient to write video stream on port -------------------------------- From: osama hamed how can i use tcpclient to write video stream on port ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>8ndo+XUCUU28LsiCFn...more >>

This is not a .NET or C# bug, but a Win32 bug. - but well, I don't know where else to report it. I have this thread running on my blog regarding a notorious "Path is too deep" error that occurs on Windows machines. This seems to be a catch-all hardware issue, and the knowledgebase articles ...more >>

hi i got one file transfer program using serialization which has a limitation that i can send only 8192 bytes(8KB). i want to send more than that wht can i do. how can i divide the file into mutiple segment and send the file and receive it. here is the program below public static void Sen...more >>

Is anyone using the Microsoft Enterprise Library? If yes, do you like it or not? Any feedback will be appreciated. ...more >>

ARGGGGGHH I have a database class instantiated with a Using statement, then a reader also instantiated with a using statement. If the command I use to populate the reader throws an exception, then that exception gets "swallowed" and never populates back up the callstack. I added a threadexcep...more >>

How do I easily convert a int[] to a string[]? Kind Regards, Allan Ebdrup ...more >>

I have a select statement with parameter ie SELECT * FROM USERS WHERE UserID = @UserID If I do not supply @UserID I get an error, how can I set it up so that if I don't supply @UserID it returns all of them? Help would be much appreciated Thanks Gav ...more >>

Hi All, What is the proper way to read a binary file into a byte[]? I am using BinaryReader to read from a Stream and call the ReadByte method of the BinaryReader object. The method I'm using leads to the second question. I got the "Conversion buffer overflow" error when I run the follow...more >>

I have tab control with several tab pages. Each tab page contains a few textboxes filled dynamicly from the code. Everything goes fine, but every textbox that is located on a tab page that has hot been selected after the form has been activates has no text! Let me try to describe my problem furt...more >>

Hello, I'm having a problem trying to call a DLL assembly from a C# code with some special parameters. I have a global class used to store some parameters and work with them: public class GlobalClass { public int parameter1; public string paramete...more >>

Hi, I'm experiencing a very strange problem with popping a MessageBox in a C# WinForms app, whereby the message text and the button text do not display. I'm using a Dell OptiPlex with on-board Intel graphics chip, and have downloaded and installed the latest drivers etc. Same with the lates...more >>

How can I close a form in C#? Here is the code that I am using but closes everything? private void frmSplash_Click(object sender, EventArgs e) { this.Close(); Form frmLogin = new frmLogin(); frmLogin.Show(); frmLogin.Activate(); } ...more >>

when i press a button, a form.Show is triggered the form provides some reference information for me to input information in the parent form, so i don't want to use ShowDialog. besides, i want the form to opened once only how can i do this? i use form1 frmReference; if (frmReference == nul...more >>

Hi, How to open a form with onClick event in VS 2005? I tried this private void frmSplash_Click(object sender, EventArgs e) { Form frmLogin = new Form(); frmLogin.Show(); frmLogin.Activate(); } It opened me a blank form. Thanks ...more >>

Hi everybody I need to get serial number of harddist drive (C:\). Here I tried some codes. //************** using System; using System.Runtime.InteropServices; namespace HanleyUretim { /// <summary> /// /// </summary> public class ManagerClass { public ManagerClass...more >>

How can I control the filetypes that a report, displayed in the crystal report viewer, can be saved as ? Thanks in advance, peter...more >>

hi all I used a listview with RightToLeft property enabled. I have 2 questions 1-how can I show icon in right side of listview not let side? 2-I want to sort listview by clicking on it's columns..,how can I? thx in advance. ...more >>

Hi, i'm using some functions to retrieve infos form an hardware device trought com ports. The device is a mobile phone and i retrieve SMS messages. Everything works fine, bbut when i execute the scan for retrieve messages my application freezes for some seconds.. how can i work around this pr...more >>

Hello, could someone explain what that 'assembly' line does in the next MS example? (from help: waitall method). Thank you Frank using System; using System.IO; using System.Security.Permissions; using System.Threading; // Request permission to create and write files to C:\TestTest. [a...more >>

Does anyone has an example of how to use Win32_UserAccount class ? I looked in MSDN but there is only a VB example Hrcko ...more >>

I must have been tired but I removed my "service.cs" file from my service project by mistake and recompiled I replaced it again, but some solution "links" must have been broken and now my service doesn't work or install. I think that some properties have been unset from somewhere but I don't k...more >>

Hi , I need some helpon Symmetric Crptography algorithm. My friend has given a encrypted message ( encrypted using Symmetric cryptogrraphy algorithm and he does 't mention on which plat form is used ) . I have to decrypt the the encrypted message. I tried to decryppt using Symmetric class pro...more >>