Can We create the instance of class with Inheritance like following : Derivedclassname var = new Baseclassname ...more >>

Hi, Is there a managed method for getfileversion ? Egil...more >>

When using filesystemwatcher to keep an eye on a directory to see if there are any files, how will I know when it is safe to work on the files in a directory? In other words, how will I know that no more files are being written and that the directory is static? -topher ...more >>

I'm able to pass string parameters with no problems to a LocalReport being displayed by the ASP.NET ReportViewer control. However, my report also has a DateTime parameter. LocalReport.SetParameters(..) only seems to allow me to set string parameters. Is there a way to pass DateTime (or othe...more >>

Hi=20 I need to create a .NET object that will be serialized into the = following xml structure ( I can't change the XML schema)=20 <Root> <Record> <Field1>data1</Field1> <Field2>data2</Field2> <Record> <Record> <Field1>data3</Field1> <Field2>data4</Field2> <Re...more >>

Hi! I issue a ExecuteCommand, is there a way to get a response from the service when the command has been executed? What i want to do is to change an icon on the servicecontroller app, depending on the command is being executed or is ready. Regards Martin ...more >>

Hi all, I am new to the Microsoft .Net and hope that someone can help me on my problem. I have my C# program compiled but when I run it, one of the Microsoft Enterprise Library - Jan 2006 throw an exception handle by ConfigurationErrorsException. The error message is: An error occurre...more >>

Hi, In my C# windows form, I have a Label which has many words in it. So I'm thinking using the ScrollBar so I can scroll up and down to see the whole words. Would someone tell me how? Thanks for help. Jason ...more >>

Hi! I need help with a solution. I want a System.Timers.Timer to timeout everyday at 09:00. I store the time in a string in a config file. When the service is executed i stop the timer and execute the work. After execution, i want to set the timer to be executed at 09.00 again. Any h...more >>

I want to be able to launch a program (i.e. helloworld.exe), but continue to run even after I have logged off. A more precise question is how do a start up a process owned by the system and not the user? ...more >>

If I'm using DictionaryBase derived object lists and I iterate through them with the IDictionary interface can I still check the object type by calling typeof()? btw I'm is using .NET 1.1 Thanks, Jim ex. bool FindSpectialItem(string key, DictionaryBase[] MyDictionaryArray) { for...more >>

When dealing with reference types, is there an efficiency advantage in using a for loop instead of a foreach? I though I read somewhere that when using value types a for loop was more efficient because of the boxing involved when using foreach. Thanks, Jim ...more >>

I can delete Registry.LocalMachine subkey using regedit. But not using = code: RegistryKey eurotaxKey =3D = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Firm\Application\Eurotax"); eurotaxKey.DeleteSubKey("pathDat"); I am administrator and regedit shows me that 'Administrators' have full...more >>

What is the reasoning for recommending that all events have the signature EventHandler(object sender, EventArgs e). Obviously I can create a custom delegate delegate void FooHandler(string foo) and event FooHandler FooHappened What are the benefits of creating derived eventargs classes for e...more >>

Hi all, I've got a form with a datagrid defined & presented to the user at runtime (code at the bottom.) With this, the user can happily enter all the data she likes. After a row of data is entered in the datagrid, and the datagrid is about to start a new row for the user, I'd like an Upd...more >>

Another quick question. I have seen applications like Reflector that can perform a self update. How can I replace the currently running executable with another file downloaded from an update location? I have tried disasembling Application.Restart() and writing the new file in the process ...more >>

This is on .Net 2.0 in a WinForms application. I have a DataGridView that is bound to a BindingSource. The DataGridView has 3 columns. The first two are "normal" text columns and the last is a combo box column. Data binding is working fine for the first two columns. I am able to edi...more >>

HELP! And thanks for any thoughts in advance. :) I am writing in C#, using a SQLExpress database. I am able to retrieve data without a problem, but I cannot write to the DB. I don't get any error - but the rows don't appear in the database! It is driving me nuts. There is no error, no nothin...more >>

HELP! And thanks for any thoughts in advance. :) I am writing in C#, using a SQLExpress database. I am able to retrieve data without a problem, but I cannot write to the DB. I don't get any error - but the rows don't appear in the database! It is driving me nuts. There is no error, no nothin...more >>

Sorry I keep posting around tha subject but I cannot get seem what I need out of clickonce. another thing that would hele me would be the ability to change the codebase tag on the server in code at runtime. lets say on the server I have the following information in my WindowsApplication1...more >>

Hi, I'm working on a C# Winform application and have a number of collection classes within my application, at present I'm using the obedb executenonquery method and looping through my class object with a foreach statement to insert the data into the database which is not efficient by any ...more >>

How could I have a program uninstall a service and then install a newer version of the same service? This assumes I've already got the files in the appropriate directory to be able to install the new version of the service. TIA - Jeff. ...more >>

I have a C# .NET 2.0 service that sends Crystal Reports through email=20 with an optional message in the body. Using the HTML 4 export feature=20 of CR, I attach the htm file as MIME "text/html" to embed reports for=20 email clients. CSS in said reports like to place everything on top of=20 th...more >>

I have written a multi-threaded c# windows service in .net 1.1 (Visual Studio .net 2003). The service has several threads that poll a Sql 6.5 database on another machine. Each thread will execute a stored procedure, and the results are used to determine if there is anything for this particul...more >>

Hi All, As the subject suggests. I am attempting to build a C# application from with in VS2005 that can have add ons built for it to give it additional functionality. It will be a Windows Mobile 5 application using CF2.0. I know this might be a tall order but I was hoping s...more >>

I apparently have no idea what I am doing. ;o( I have a datagridview bound to a dataset. I want to make one of the columns a combobox that displays a list of choices I have in another table. When the user clicks on that combobox, it should display those choices, allow them to chose one, the...more >>

I saw something in the Microsoft documentation for SelectNodes() that I've never noticed before today: ----- Return Value The first XmlNode that matches the XPath query or a null reference (Nothing in Visual Basic) if no matching node is found. The XmlNode should not be expected to be con...more >>

Hello, I am building an assembly that connects to a third party application via http. I need create a http message that I post to the third party application. The message is very complicated with alot of business rules which I can define in a xml/config file. So, I will need to parse the...more >>

Hey, I would like to know if it's easy to update an application (big) from VB6 to VB .Net? Is it easier to re write the application? Is there a problem if I still keep the code in VB and add some module in VB .Net? Compatibility, support for VB 6 by Microsoft... I would like this applic...more >>

Hello, I am currently having an issue with the FileSystemWatcher class for an application I am developing. I use the FileSystemWatcher class to identify a change in a directory (i.e. a file has been added) and once this event is captured then I make a call to another class which implement...more >>

Hi, I understand how to use the "is" keyword straight forward. like: if (obj is MyClass1) However, I would like to parametize the "is"'s argument. Basically, I would to replace MyClass1 with an argument. Here is an example: private void foo(WhatType arg) { foreach (Cont...more >>

Howdy, I'm trying to break an input string into multpile pieces using a series of delimiters that start with an asterisk. Following the asterisk is a mulitple character identifier immediately followed by a data string of variable length. The input string may contain more than one identifi...more >>

If I call this method, and pass it a byte[] by ref, and initialize another byte array, set the original equal to it, and then null the reference, why is the original byte array not null as well? I thought passing by reference, your passing the address in memory. public bool DoSomething(ref...more >>

Hi all, I'm creating processes of a console based application. After proc.Start() the process is not getting terminated and the thread keeps waiting for some reponse from the process. Now I need to kill the process if it takes more time. How can I do this? Otherwise I need to terminate t...more >>

hi, how do i compile by referring two versions of the same dll. regards, kalaivanan ...more >>

Hi all, I want to develop application in which at runtime i want incorporate tool bar of some different application into my application's tool bar. Say suppose i have application one tool bar. Later on i developed one new application with some new functionality. I want to add that functi...more >>

Hi all, I want to do inter process communication in c#. I am having one application and one dll. What i want is load that dll at runtime. After loading that dll i want to send one event from application which should get trapped in dll. And only after dll has completed that event i want m...more >>

Hi all, I am having this error, Font 'Aharoni' does not support style 'Regular'. In my codes, i try to catch the exception but seems like it is not catching it. Any idea why? How can i set my style to no style too? Appreciate any help try { ...more >>

Hi there, I have no idea why the following TSQL does not work.Any Idea? I am using SQL 2000 Server CREATE PROCEDURE RptDailySummary2 @FromTxDate DATETIME, @ToTxDate DATETIME AS BEGIN SELECT TxDate,TxType,CurrencyName,SavBalance FROM ( ( SELEC...more >>

Hi All, Can anybody provide me sample/code for web site searching(i.e HTML pages, etc) without database. I am using ASP.NET 2.0. Thanks, Pradeep ...more >>

Hi all, i need some help here plz :) i'm building a small application that will dispaly a list of folders in a listbox, but i only want to display the folder name rather than the whole path, so i take the substring from the whole path and add it to the listbox. the problem is, later, when...more >>

Hi, suppose I want to make a .NET dll and a .NET exe that needs this dll. If I do not want to put the dll in the same folder as the exe: do I have to use GAC or a *.exe.config file? Are there other solutions (putting the dll in the path does not seem to work)? Suppose I want to distribut...more >>