Hi I have to convert byte value to float in C#.Float is in IEEE 754 format. byte value is= 70 23 22 195 in a byte array. and its float value is = -150.0909 what is the algoritm for this conversion? thanks for help ...more >>

In the following (pseudo)code, why is it that C# returns an "unassigned local variable" error for nVar? It seems I have to declare the variable outside foo() for the error to dissapear. void foo() { int nVar = 0; SqlDataReader rdr = objCmd.ExecuteReader(); while (rdr.Read()) ...more >>

I was wandering if anyone can help me find information [ websites ,etc ] , comparing C # to Java ++. I have been tring them both out and would like to know were they disagree on format or structure. Also why one is better over the other is used. Thank you , and I hope someone can help me. jh...more >>

I'm working on a C# ASP.NET Web App. I'd like to allow the user to type a url into a textbox. The url should point to a text-based file. I'd then like to display the contents of that text-based file in another textbox. My problem is getting ahold of the text from the url. The other pa...more >>

Hello, I want to use a variable as a signal to the thread that it should stop what it's doing (code below). As a rule, should I lock an object only when I am writing to it or do I have to lock on reading as well? For instance, consider the following code: //running in a non-GUI thread ...more >>

Hello, I have a Windows Application that needs to load multiple image files in response to users clicking buttons. Currently, I just have these images as .jpg files on disk, but I don't want to have to migrate the files everywhere that the executable is installed. Is there a way to add them ...more >>

I'm writing a simple editor using the RichTextBox. I'd like to add OLE like WordPad has. That is allow packages to be embedded or linked and thereby changed. I'm reading the doc but would like to have some sample code to study. Anyone know where there is sample code or How-To-Do-It tutor...more >>

Hi, I want to call a stored procedure that is in my SQL DataBase and i want to do it with transaction so i could roll-back in case of need. if i do a simple SP (like select * from table) and i don't send any parameters i have no problem and it works, but if i'm sending parameters (and i ne...more >>

Hey guys, I have a listview with 7 collumns and I need to retrieve value from the first line and its 7th collumn. Is there an easy way to retrieve it? Thanks, Joe ...more >>

Hi, my program is adding (every hour) a line to listview and into its 7 columns. Problem is that it is adding it to the bottom of the list, so after couple of hours, my users need to scroll down to see the most recent results. What I'd like is to have some function to reverse listview order...more >>

I have a form template: EditorTemplate with a toolstrip containing three buttons: Add, Modify, Delete. All three buttons have their Modifier property set to Public. Used to be that, in beta1, - from the the form: ItemEditor that inherits from my template - I can double-click on the Add butto...more >>

// there are 2 forms inheriting from EditorTemplate // ItemsEditor and CategoriesEditor public EditorTemplate CreateForm(string inheritedFormName) { // EditorTemplate editor; // makes editor in scope, but not instanstiated. if (inheritedFormName == "Categories") CategoriesEditor editor...more >>

All: I am writing a .NET 1.1 Windows Forms app in C#. I would like to offer users the ability to script the application via javascript. In the "old days," I would have used the Active (ActiveX) Scripting host (COM based) offered by Microsoft. Is this still the best way to do it? If this ...more >>

when i double-click on a button on a form as i am designing the form, the IDE creates a method corresponding to a event assignment as follows: this eventhandler: this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click); is paired with: private void exitTo...more >>

I do something like this: HttpCookie cookie = Request.Cookies[ "AuthInfo" ]; if( cookie != null ) { tbUserName.Text = cookie.Values[ "UserName" ]; tbPassword.Text = cookie.Values[ "Password" ]; } This works except tbPassword is a WebControls.TextBox and it's set to mode "passwo...more >>

Hi all I'm new to C# and ADO.Net. I've managed to insert, update and delete records from a database but I need to know how to show these changes immediately. For example : If I delete a record from the database, that deleted record will remain in my forms textboxes until I restart the prog...more >>

Is there a way to get an installation project to create an "All Programs" menu entry and desktop icon? ...more >>

I have two existing interfaces having methods with same names. Now I have to implement both intrfaces in one class. Is there any way I could implement methods with same names in both interfaces without getting errors from the compiler?...more >>

I was just looking for some opinions on the best way to clone an ArrayList object. For example, if class A contains an ArrayList, what would be the best way to make a copy of it for class B (but not using the class constructors): class A { public A() { // constructor...more >>

Hi All, I would like to know whether the following limitation exists in .net. I want to implement a COM+ exe server to which I would like to connect with a delphi, a vb6 and a c# client. When I try to add reference to the tlb in C#, an error message appears stating the following: Conver...more >>

Hi, I've try to access a static method using an instance instead of a class. public class test{ public static void ShowAText(string ThisText) { System.Console.WriteLine("->{0}",ThisText); } public static void Main() { test.ShowAText("MyText"); } } This part work, the call ...more >>

Real simple code: MSMAPI.MAPISessionClass session = new MSMAPI.MAPISessionClass(); session.SignOn(); if (session.SessionID != 0) { MSMAPI.MAPIMessagesClass message = new MSMAPI.MAPIMessagesClass(); message.SessionID = session.SessionID; message.Compose(); message.RecipType ...more >>

example: // form classes: // ItemEditor // CategoryEditor private void OpenForm(string formClassName) { // I want to be able to instantiate a form based on the parameter. if (formClassName == "ItemEditor" ) ItemEditor editor = new ItemEditor(); else if (formClassNam...more >>

Could someone please give me a practical example of how you HAVE used custom attributes ... not just how you COULD use them. I understand the syntax, but am not able to visualize a good use for them. Thanks in advance. Mark ...more >>

for example i have static readonly SqlParameter and i want to clone them at runtime. as clone operation will not write to SqlParameter object, just reading, should i lock that object during read operations? ...more >>

Hi, guys, I am trying to parse out the apratment number in a regular expression : If I use Regex regex = new Regex(@"(?<AddressWithoutApartment>.+)(?<ApartmentSeperator>\bAPT|#|UNIT\b)(?<Apartment>.+)", RegexOptions.ExplicitCapture); I will be able to parse out "100 main ST # C) B...more >>

hi, sorry about the first message; i accidentally clicked post. anyway, i want to make a modern looking app like quicktime that has not got that bar at the top with the title in it and the controlbox. i have put a no border style property on the form and have replace the control box with a ...more >>

based on the following code generated by the IDE: private void toolStripButton1_Click(object sender, EventArgs e) {} How do I convert sender to a ToolStripButton object so I can access its properties?...more >>

With generics in .NET 2, there are certain scenarios in which using System.Void would be useful: TReturnType MyFunction<TReturnType>() { return default(TReturnType); } Above is a simple function that would allow me to make a generic method that would return any type I instanciate t...more >>

Hi : I am developing an applicaiton with ASP.NET & C#, with remote web server. It was working fine . But last two days when I bulid my application it throws an error: "Cannot Save the file bin/holimart.pdb to the web server. The server connection timed out." here holimart is my project name. ...more >>

Hello, I am attempting to create an application that uses an existing driver interface API using C#. I have an API that looks like F32x_Read( HANDLE Handle, LPVOID Buffer, DWORD NumBytesToRead, DWORD *NumBytesReturned) Where the following arguments are described as Handle - Handle to...more >>

HI... I have a queue of objects waiting to be analysed by a method, so I think o using threads to analyse 3 objects at the same time... The problem is: I create the 3 threads, and execute them, the threads look in the queue, pick an object and analyse it. But after the thread analyse ...more >>

i have a problem auto-assigning mnemonics when dynamicly generating menues. in some cases, two memorie entries get the same mnemonic key assigned because the words begin with the same letter. this means, that they are more or less useless does anyone have an algorithm or some kind of code ...more >>

I can easily get my byte array into the SqlBinary Sql servr field. getting it out again is more difficult. SqlBinary myBin = myBinaryObject; // object from SQL server field. byte[] b= myBin ; is not allowed. ...more >>

Hi, in VisualStudio.NET : how can I set a reference to a component in the GAC ? ' cause the 'Add Reference' - dialog box doesn't show the components listed in the GAC thanks Chris ********************************************************************** Sent via Fuzzy Software @ http://www...more >>

I think a user exited my local application incorrectly and now I can't compile a new version of the application to the public network without getting a "in use" error message. Also, can't rename or delete the exe file/directory without "access denied" How do I find out who/what is using th...more >>

I have a problem in my multithreaded application. The problem is reproducible very rarely, only once in 6000 similar execution (through same code path). Problem: One of multiple threads gets abnormally terminated. It does not goes through the try-catch-finally sequence. The mehtod gets hanged...more >>

hi, i have an applocation that i want to look modern. the forms border style is set to none but i have a created bar at the top with the maximise buttons etc. 1. what code to i type in for the maximise button and the minimise button? 2. how do i make the window sizeable? can someone help...more >>

Hi, Am having a base class that implements an interface (air code) : class BaseClass : SomeInterface { void SomeInterface.ImplMethod() { // -- code here -- } } class Derived : SomeInterface { void SomeInterface.ImplMethod() { //NEED TO CALL BASE'S...more >>

Hi, I would like to have my class to execute eventually an outside function. I was thinking to pass to my class constructor a delegate object that would be later used in my class to be triggered. Does a delegate is the correct object to use to do that? Thanks! Marty...more >>

Dear all, coding a test classes for classes being tested is really boring, is there any tool can generate 'test cases'? ...more >>

What I want to do is call the static method in the below class. In pseudo code it might look something like this: If (!GetImageFromDatabase.ExtractImage(strFileName, strPathToImageFile)) { // do something } In other words, if the method returns false, execute some code....more >>

hey i wrote a progam a wihle back in c++ and i used the sprintf function as follows: OVERLAPPED osWait = {0}; DWORD dwWritten; char B[20]; sprintf (B, "\x02" "CB 0 1" "\x0D\x0A\x03"); WriteFile (m_hPort, B, strlen(B), &dwWritten, &osWait); how do i change this to c#.. just the sprintf...more >>

Hi I've been informed that it is very troublesome to retrive all members in = a domain (let's say "ABC"), that is member of a specific SecurityGroup = (global or local)? I've been told that one has to loop through every = single user in the domain and then ask "Is he member of the = securityg...more >>

Hi, I have developed a .NET Windows application. I able to run(Execute) it from the local drive of my PC. If I try to execute it from the SourceControl(Clear case) or from Shared drives, then it is not starting the application, but given the below error. Request for the permission of ty...more >>

I want to combine a TextBox and a RequiredFieldValidator into to a web custom control (name RequireTextBox ), But when I use RequireTextBox in web form, the RequiredFieldValidator has no action. How can I do? { private TextBox box; RequiredFieldValidator rv; public string Text...more >>