Hi, I am just wondering if anyone has any decent guides on working with sql server 2005 with c#? Thanks in advance....more >>

Hi, I have an application where I read a serial port data from a barcode and set the labels on a form. I also have a textbox and button where you can enter the data and here is the problem. if I use the textbox and submit using thebutton everything works fine. If I use the SerialDataReceivedEve...more >>

Can anyone recommend a book for teaching C# to people who have never programmed and who are interested mainly in text processing? ...more >>

Ok let me try to explain this as good as I can. I am creating this application where it contains a userlogin class. The user logs in before entering the main apploication. I want to do audit trails and I am trying to figure out how to get the user ID that logged in. Can anyone help me. I have...more >>

I'm trying to create a ListBox that holds list of currently running processes. So I inherited from Process a classes named _Process, which it's objects are to be held in the ListBox (I just overrode the "ToString"). Using the "GetProcesses" method, I get Process[], that I want to cast to _Proces...more >>

I've developed a test application on my PC that uses the JET Engine. The connection string is very basic and is constructed as follows: connectionString = String.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source='{0}'", modelName); On the development PC, this works fine. On a test PC,...more >>

Hi, I would like to find out the fastest way to concatenate large (200 or 300MB) and numerous (500 - 700) files (Postscript files) into a single one (which can ends up being several GigaB) using csharp within a windows form application. One of the requirement also is to make sure the output...more >>

Hi there, Hey guys I am trying to develop an Intenet Explorer plugin that would save passwords and allow me to sign up for a service automatically. Now I have figured out most of the things. I am using Pavel Zolnikov's now classic method to develop the plug in using C sharp. http...more >>

i have an application that will take user input from a text box and write it to an access database. i need to make sure that if they ever enter a single line of text that it has at least 1 space for every 40 characters. so before i write the info to the database i have to make sure there is ...more >>

Hi all, We have the architect version of VS 2003 .net at work. I was looking at the info on .net 2.0 and it looks like they included a class for the serial port. Useful stuff for me. Can the 2003 version be upgraded to 2.0 ? Thanks ...more >>

Hi, i write a application to search in a tree. each treenode is a unicode text. How to compare two unicode string to find extract node i want ? Regards Minh ...more >>

Hi I have an application that currently uses ado.net to read some files and populate a datagrid. The app allows users to search and return values based on a 'like' parameter in a select statement. The data files have always been provided to me in MSAccess format and users have Access on...more >>

Hi, Is there a way to to "wake" a win xp machine from screen power save using c#? I got a computer that turns off the screen after a while and i'm programming an app that reads smart cards and I want the screen to "power on" as soon as some one inserts a card to the reader. Oscar ...more >>

Does C# 2005 have an easy way to delete files to the recycle bin?...more >>

Hi I am trying to write to log file but the formatting of string is not properly aligned in log file result The results looks some thing like this OK move.xml Successful OK AppUser_ifrUsers.asp Successful Here i have hardcoded OK & Successfull but the file name "move.XML" and ...more >>

Hello Friiends I am looking for ways to create a multithreaded Windows service in c# which is actually a IM Bot application. Since multiple user can access at same time, I want to create seprate thread when user open a chat Window[for instance for MSN IM]. I coudn't find any such helpful tip t...more >>

Hello! I have VS2003 which use .NET framework1.1. VS2005 use .NET framework 2.0 I just wonder if it's possible to download .NET 2.0 from somewhere to use in VS2003 or is the only solution to get VS 2005 if I want to use .NET framework 2.0. //Tony ...more >>

Hello, I´ve to implement an array which sum always have to 1. In the API Documentation I´ve found Random.NextDouble(), but it always returns a value x with 0.0 <= x < 1.0. Is there a range to specify the random value a bit more? I want to do it like this: double[] myArray = new Array...more >>

I'm developing windows application using c#.net (vs 2003), i've placed several images (picture boxes) in panel control and i want to zoom the panel control so that the images and text which contained in the panel control has to be zoomed and i want to work on that zoomed portion like we work i...more >>

Why do these questions always come up on Friday afternoon? I'm starting to use GoF singleton classes in my projects. Right off the bat, I've run into a surprise. I thought that a Singleton could be implemented using a static constructor, using code like this, based on version #4 at http://w...more >>

I am currently using StarTeam for my source control. (Will eventual switch to whatever the latest Visual Source Safe is going to be called). With debug, installers, deploy and everything the project directory structure is a mess of files and directories What files should be in source contro...more >>

I need to do a find/replace on a column name in DataColumn.Expression. Is there a way to do the following using RegEx? MyColumn > 10 and Desc = "This is MyColumn desc" I need to replace the MyColumn which is not in a quoted string. Thanks, Joe ...more >>

Hello, I need to generate a flat text file where aeach is made up os fields and space. To automate the process, i want to define an xml file that describe the file form mate in term of <Lines> <Line1> <Field fieldlengh="" value=""></Field> <Field fieldlengh="" value=""></Field> ...more >>

We're building high performance database applications, and are trying to use all the new Async ADO.Net 2.0 features. The problem we're having is that we can't find a SqlConnection.BeginOpen/EndOpen method. We can execute everything using the BeginExecuteCommand, but without the BeginOpen on...more >>

Hi, is there a way to combine the functionallity of OpenFileDialig and BrowseFolderDialog, so that user can select as well Files as Folders? ...more >>

I recently saw the name of this programming language depicted like: HTML: C^# Is this -somehow- official? ...more >>

Can you use VS 2005 to create a .Net 1.1 application?...more >>

I have a 3 layer (data access, business logic and UI which is a web project) and up to now I have had full ability to step all the way down to the data access layer. For some reason now I can only step into the business logic and when I get to the data access layer I get the "There is no sourc...more >>

Happy Friday everyone!!! I am working on a windows service and a C# application and needed some help with certain functionality. Please read through my issue below. Thanks! I have a windows service which writes into a log file periodically (text file). I want to create a windows form applic...more >>

I'm trying to build a .NET application (C#) which I want to seperate into the classic UI, Business Logic and Data Access layers. I expected to seperate each layer into different projects and reference each as required, when I try to do this I run into circular referencing problems between the pr...more >>

I've looked high and low for this information and haven't found it anywhere. Is there a way to pass arguments to a stored procedure being used by a selectcommand. I've seen mention of SelectCommand.Perameter.Add() but that doesn't seem work....more >>

Hi, I am using the following pattern: "\\b" + MySttring + "\\b" If MyString is "one", this should pick up whole words like "one". The problem is, it will pick up also the word: "one.two" How should I modify the patter to pickup only "one"? Thanks, Lubomir...more >>

Hi all, I understand, in .Net 2.0 we have little bit different model to read config file from .Net 1.1. Basically I need to use WebConfigurationManager.AppSettings to read from web.config, and ConfigurationManager.AppSettings to read from Windows Application config. Here is my questi...more >>

Hello Guys, Please look at the code sample below. Class Customer { private string _ID; private string _Name; public string ID { get { return _ID; } set { _ID = value; } } public string Name { get { return _Name; } set { _ID = Name; } } } void SomeFunction...more >>

How to create files and validate them using javascript ...more >>

The below code works in a Web application, but does not work in a Windows application. The DataBind() command only exists for Web forms. How do I write this code for a Windows app? Can you give me the code on how to do that? this.sqlConnection1.Open(); this.dreader = this.sqlCommand3.Execut...more >>

How to ensure that a form is disposed? When I work with modal forms I do the following: using (Form1 frm = new Form1()) { frm.ShowDialog(); } As far as I read, when it ends the using scope, the form is disposed. But if I don't use modal forms, like this: Form1 frm = new Form1(); frm...more >>

Hi, We have some common functionality that has to run with both C++ and C#. What would be the best way to design this. One of the approaches we could think of is to 1. create an exe for the common code 2. create api's in C++ and C# to invoke this exe 3. Put the api's in a library each for ...more >>

I have a collection of classes descending from a single root class (let's call it RootClass). They all currently have a property of Logical, of type Logical. However they actually return a subclass of Logical (LogicalA, LogicalB). I'm currently casting them to the right type when I retrieve t...more >>

Hi all, I'm exporting a datagrid to an excel file. I'm using the following source code to export. DataTable dt = new DataTable(); DataAccess.StoredProcedure sproc = new DataAccess.StoredProcedure("sproc_getdata"); sproc.Run(dt); DataGrid1.DataSource = dt; DataGrid1.DataBind(); D...more >>

Hi all, I'm exporting a datagrid to an excel file. I'm using the following source code to export DataTable dt = new DataTable(); DataAccess.StoredProcedure sproc = new DataAccess.StoredProcedure("sproc_getdata"); sproc.Run(dt); DataGrid1.DataSource = dt; DataGrid1.DataBind(); ...more >>

Hello all. I have a collection class that holds a number of clauses. One particular type of clause has a member variable called type - this is an enum. How do I check this collection class to see if it has a clause of a particular type? I know I'll have to implement a contains (or simil...more >>

I'm using .NET 2.0 VS 2005 I'm creating a function that dos something similar to the. SmoApplication.EnumAvailableSqlServers() function. But for som resone I get an error or do i?. The problem is that the program just return from the function when it reach the recive part( reviced = socket.Re...more >>

Hi, I have an arraylist. I copy the objects in this arraylist to a second arraylist. When I edit the objects in the second arraylist then the objects in the first arraylist are changed too. I don't want this!!! I tried to work with arraylist.clone() but this seems not make any differenc...more >>

Hi, I am using a hashtable as a cache. I am only allowed for the cache to take up a certain amount of memory. I think I can state how large I want the hashtable to be on creation. What I need is someway to monitor the size of the hashtable so that as it nears the maximum size I have set...more >>

Hey! i have a c# program opening and creating powerpoint slides and i created a commandbutton on the slide. the problem i'm having is changing the caption of the button. i've placed the code below and the only error is objValue.Caption="Values". when i run the program, the powerpoint crashes a...more >>

Hi, my xml is: <ROOT> <FILE NAME="filename">CDATA</FILE> </ROOT> this xml is argument to a function in C#. i want to get the filename in a string variable. how do i do it??? GetElementByTagname("FILE)[0].Attribute retrieves attributelist how do i get the value of attribute???? ...more >>

I want to construct a DOM tree from the HTML source code. How can i get it ? Do you show me some source code for this. Thanks. ...more >>

Open Source HTML Parsers in C# Hi, Im looking for HTML parser developed in C# which i can extend according to my needs are there any?? Thanks ...more >>

Hello everyone, I need to capture the shutdown events. I could listen to the SystemEvents.SessionEnding Event but this only tells me if the system log offs or shuts down but not if the shutdown is a suspend or hibernate or reboot.... How can I find out what sort of shut down the system is...more >>