hi, I have created COM when i try to use that instance in C#.net Wep application i am getting following error message. DBUsingCom is my Component name and BusinessObject as a Class name.can anybody help to solve this problem Error message: "Access to the registry key HKEY_CLASSES...more >>

Hello All, I write the following code to access Data from a table But i get the exception "Syntax Error in From Clause" when i write the code in SQL then it works perfectly. OleDbConnection Myconnection = null; OleDbDataReader dbReader = null; Myconnection = new OleDbConnection (@"Pro...more >>

hi, I have created one Component using C#. it have once class name is BusinessObject. In this class i have one method "CreatedRecords". When i make the build it created ComponentName.dll file in the obj\Debug and bi\Debug directory. Then i have executed gacutil /i ComponentName.dll It...more >>

I am wondering if it's possible to convert an object or a struct to a byte array of the raw data. It's been a long time, but I seem to remember doing this in C++ at one point, and with very little code. What I'd like to be able to do is save a struct into a registry binary value. Thanks in a...more >>

hi, I like to use COM in my application. I would like to know the following information. 1. How to create COM in C#.Net Web ( i know litter bit). 2. How to change assembly info to use this COM. 3. How to Register using regsvs, Global Assembly Cache, creating Strong name and etc...more >>

Hi! Are the any classes I could use to get the picture from a USB camera? Thanks, Saso ...more >>

If I double click a header in a list view, I get ....SelectedIndexChanged(...) My question: With which code do I determine which column headers in a list view the users has pressed? I found plenty of references in MDSN, but I'm afraid I couldn't put together an answer to my query from it...more >>

Does anybody have an idea how to compare two strings? What I want to know is the percentage of the differences between the strings Thx, Dennieku ...more >>

Hello All, This is very offtopic. It is related to printing a document from IE. nothing to do with .net. I am desperate to find an answer to this but didn't receive any reply anywhere so I have to try this trusted newsgroup. Please pardon. I have created a web based application which cre...more >>

My ActiveX Container requires certain properties to be exposed by components - properties that appear under the properties section in the IDL/type library file. C# properties are exposed as methods and the interfaces that my c# class implements cannot contain fields in order to expose these...more >>

Hello folks, Does anyone know the equivalent VB Asc function for C#? Or ways around it? Thanks in advance Pete ...more >>

I just wanted to know , is it possible to have framework 1.1 and 1.0 installed on the same machine and can be used simultanously. cheers atul...more >>

I am in search of a comprehensive methodology of using these two object cleanup approaches to get rid of a number of bugs, unpleasantries, and cleanup-ordering issues we currently have in our 4-month old C#/MC++ .NET project project. I'd like to thank in advance anyone who takes the time to re...more >>

With WinXP Pro, the .Net framework, and the MS Visual complier. Does anybody have an opinions on which is better two processors or the new hyper threading thingy? Sort of want things to go a little faster then they are now. Thanks, John ...more >>

I am working with a fellow developer on a small project. I started in VB6, but after her C# training we decided to build the application in ..NET. Rather than rewrite the VB6 code, I continued in VB6 then converted it to VB.NET using the upgrade wizard, while she started in C#. The VB.NET projec...more >>

My company is interested in a "jumpstart" for me in going from VB6 to C# (.NET of course). I just came across an old mailer for VSLive in Orlando, which starts next week. Can anyone give some feedback on this. Obviously, it would be a bit of a pain to get down there next week out of the blue...more >>

Hi all, Was wondering if somebody could help me or at least point me in the right direction... I have a System.Windows.Forms.DataGrid, which is bound to a dataset. I would like to hide certain columns, so that the user can't see them.. Also was wondering if it was possible if when a cell...more >>

Dear all, Can we avoid listBox1_SelectedIndexChanged from fire? My problem is during form load I fill listbox with employee name. In listBox1_SelectedIndexChanged event detail information of the employee will fill in bind to other textbox. I think when form load the listBox1_SelectedInd...more >>

Hi, I think thta for this I have to use reflection... but I'm not shure. How can I find/get an object at runtime by looking for its name that is stored in a variable. For example: I have a DataTable called dtPersons that loads all the data of the persons. I have a string var...more >>

How do i convert VBCRFL in Csharp? thanks ...more >>

Within the following structure, TopStruct, I'd like to create 3 other structures, 2 of which make up a union. The first structure will always contain some data that I need and should never be overwritten, i.e. should not be part of the union. The remaining 2, UnionData1 and UnionData2, make up...more >>

Hi, I would like to check for a partial match between an input string and a regular expression using the Regex class in .NET. By partial match, I mean that the input string could not yet be complete but I want to know if a match is possible so far. For instance I want to design a text box t...more >>

Hi, I have a program which opens a textfile. Now i have this code in the = main void like this public static void Main(string[] args)=20 { StreamReader s =3D File.OpenText(".\\textfile.txt");=20 string read =3D null;=20 while ((read =3D s.ReadLine()) !=3D null)=20 { =2...more >>

Hello Everyone, Is there anyway to get the fieldinfo object for a specified field in a class. Something better than telling what its name is, since this isn't checked by the compiler. Something maybe like this: class Foo { public int foo; public Foo() { FieldInfo fi = Fie...more >>

Hello, I was wondering if someone had an idea of good unit testing tools out there. I have looked at NUnit and HarnessIt and they both have good and bad sides to them, but mainly we are looking for one that can: A) Create and/or load data (in SQL Server and hopefully in DB2). ...more >>

foreach (string file in Directory.GetFiles( System.Environment.GetFolderPath (System.Environment.SpecialFolder.InternetCache)) ) { Console.WriteLine(file.ToString()); } I can only get the code above to list desktop.ini and no other files. What's going on with this folder? ...more >>

Does .Net have any classes to communicate directly with the hardware? (i.e.: writing directly to I/O addresses) Thanks, Norvin ...more >>

Hi am creating a email application that needs to mail out a very large amount of emails. I have created a multithreaded c# application that using message queuing. I have created a threadpool of 5 threads and each thread checks the queue, receives the message and sends an email. How do I determin...more >>

Hello all, I've wrote a .dll in c#. The .dll needs to be used by a VB 6 application. At first, I couldn't set a reference from the VB app, but then I found the register for COM Interop in the build configuration in the VS.net IDE. The VB 6 IDE now lists my class library as a reference. B...more >>

Hello folks, How do I achieve this: redim preserve iaCount(2, iIndex) with C# please? Regards Pete ...more >>

Hi i need some help to solve a problem with the DataSource in a COMBOBOX. The question is "How can i clear all the itens in a Combobox if i use the DataSource to browse data in a database????". I use the code below to fill a combobox: this.cboSubfamilia.DataSource = thisDataSet.Tables [...more >>

I'm trying to create a new Web App on my Web Server but I am getting a logon dialog shown to me when I try and create the project. The message is telling me that I need author permissions for the Web Site Where on Win 2k3 can I find the Front Page Administrator ? Or are the permissions set ...more >>

Hello, I have following : string ClassName = "Client"; string Command = ClassName + ".GetType()"; Now I have a statement in a string. How can I excecute the statement that is in that string? Is something like this possible in C# and how? Type t = Excecute(Command); Thanks...more >>

I have been searching for how to get an icon resource and load it into an ImageList. I added an *.ico file to my project and set the files "Build Action" to "Embedded Resource". Is there any easy way to do this? This was easy to do in the old MFC. I can not find the answer in C#. I also ne...more >>

I need to format a DateTime in the following format: "Mmm dd hh:mm:ss" Where Mmm is the three-letter abbreviation for the month. What's the best way to do this in C#? --Bruce ...more >>

When I try to run the following URL : http://localhost/Duwamish7/default.aspx of Duwamish Online application, an error page appears with the following message : http://localhost/Duwamish7/errorpage.aspx? aspxerrorpath=/Duwamish7/default.aspx All appropriate permissions have been given...more >>

I am writing a .NET application in C# that uses Crystal Reports. I want the crystal reports to grab information from a database no matter where the database is located. To do this, I want to create an ODBC connection to the database at runtime in order for the report to grab data from th...more >>

When one sets the "Enabled" property of a control such as a text box or combo box to "false", the field will change color to a dark gray. I would like to change this color to something else, such as a light blue to make the contents easier to read. Is this Possible???? Thanx, Allen ...more >>

hi everyone, i have a minor prob and am not sure how to solve this. What are we coming from? Well, there are several template files inside a folder. these template files have different names, like "DBCommonManager.cs" or "%TABLE%EntityTable.cs", where "%TABLE%" is replaced during the work ...more >>

I=B4m trying to map and use the winmm.dll functions to build=20 an audio assistant but I have a particular problem when I=20 try to use mixerGetLineControls function. The function every return "Invalid Parameter" probably=20 related with the structures MIXERCONTROL and=20 MIXERLINECONTROLS (s...more >>

Hello all, I have written a collection class that implements IList. The class currently uses an ArrayList for its internal storage. I am somewhat confused as to how I should implement the SyncRoot property on my class. The MSDN documentation seems quite evasive on the subject: For coll...more >>

Any way to do SSL Socket in C#? Aung ...more >>

hi, I would like to use COM or COM+ concept in one of my C#.web application. Since i am new to COM and COM+, I would like to see step by step sample code. Anybody knows good site for COM and COM+ using in C#.Net web application. Thanks in advance. Thanks, Ramesh...more >>

Hi! I thought that using axWebBrowser control would be the same as using Internet Explorer. All that IE can do i can do with this COM control. It seams that this isn't the case. I'm trying to automate the login sequence in different forums to make life easier. On some forums simulating the .s...more >>

Test...more >>

Hello NG! Iam trying to write Access Control Settings for Users in Active Dir. First what i do is to delegate a Trustee in a Container, with permissions. This works fine. Lets take Guests as Trustee. Setting rights like "Full Control" or "Read" or "Write" is not the issue, my problem ar the S...more >>

Im currently working on a plugin architectur for a software product written in c# and have found the following problem: Project a) Application, Application with all classes used in this app Project b) Plugin which will access to objects in the application (callback) Project c) Interface: D...more >>

Hi, please could someone show me how to access a two dimensional array using unsafe pointers? My C code won't work in C# :-( I used: arr[2][1] is equivalent to: *(*(arr+2)+1); what am I doing wrong? ...more >>