I'm trying to make a tree list of possible storage devices for a small app but I have no idea how to get them. I want something very similar to windows explorer's tree view. Do I have to manually work with each one(hard drives, USB drives, networks, etc, special locations, etc..) or is there s...more >>

I created the following code: private struct StackItem { public EventHandler theEvent, theHandler; public StackItem(EventHandler theEvent, EventHandler theHandler) { this.theEvent = theEvent; this.theHandler = theHandler; } } protected void AddHandler(EventHandler the...more >>

Hi, If I have a File("c:\test\subdir\file1.html"), what's the best way to get the directory of this file, ie 'c:\test\subdir'? Thanks! ...more >>

Anyone have any info on how you can fill a DataSet with mutiple result sets from a SQL batch ? I know with a dataReader you can use the nextResult method but I'm lost on how you do this with a dataAdapter .... TIA .. L ...more >>

Hello ihave setup a windows 2003 sever in my pc and when he ask me for a user name and passsword i didn't give him an password and let the name as administrator .. ---> when i try to instal a MVS2003.Net in my pc he ask me to setup( frontpage 2003 server extensions) -as i already setup (...more >>

Hi, Could any one give a sample example on how to export crystal report called "MyReport.rpt" to PDF using Crystal Report !!? Thanks ...more >>

Is there a way to get 1000000 to display as 1,000k using double.ToString()? -Joe ...more >>

Hi Iam trying to send AT commands to the device. if (serialPort1.IsOpen) serialPort1.Close(); serialPort1.Open(); byte[] buffer = ASCIIEncoding.ASCII.GetBytes("AT"); serialPort1.Write(buffer, 0, buffer.Length); Thread.Sleep(1000); ...more >>

SqlCommand oCmd; SqlTransaction tran; oCmd =3D new = SqlCommand("myStoredProcedure",myFunctions.createConnection()); oCmd.CommandType =3D CommandType.StoredProcedure; tran=3DoCmd.Transaction.Connection.BeginTransaction();//I get an error: = null exception Any idea? Without tran everyth...more >>

Hello, I have a Windows Forms application which has buttons to click to run other programs. One of the applications it must run is a ClickOnce Windows Forms application, so the Application Reference in the start menu is the only way to access it. I have the following code used to start t...more >>

Hi all, Anybody knows where can I find some information about script engine theory? I have the requirement: Our product has some template files, and there placeholder/variabled embedded inside template (like %CurrentTime%, %HoursRemaining% and so on). There are also some other variables (...more >>

Hi, Where in .NET are definded constants for maximal file name length and maximal file path? Thanks, Lubomir...more >>

hello, I want to create a class in a library: public class GetHello { private string aa = "Hello world"; public GetHello() { // // TODO: Add constructor logic here // } public string GetContent() { return aa; } } Then I create a simple project and I want to use the GetContent t...more >>

I am wanting to populate several treeviews, one for the <TRs> group and one for the <TGs> group. Is there a simplier way to populate the Treeview than the one I did below? It seems difficult to get to the correct DataSet values. <?xml version="1.0" encoding="utf-8" ?> <TestSample> <TR...more >>

Hi, Does anyone know how to serialize an XPathNavigator object? I have tried the following but it moans that the xpn does not have a parameterless constructor. XPathNavigator xpn = e.Source.SelectSingleNode("/ns1:Invoice/ns1:InvoiceDetail/ns1:Lines/ns1:Line/ns1:Matches/ns1:Match/n...more >>

I am running process.sart to run gpg.exe to encrypt files. It's working fine with console application. When i use same code in windows service. It's not working. It's not even throwing error.Follwoing is the code i am using. Please somebody help me. Process p = new Process(); p.StartInf...more >>

When I change a property, I can`t see it in design mode. i defined the property as followed: [Bindable(true)] [Category("Box")] [DefaultValue("Sophia")] [Description("The Item description displayed in the control")] public string DBItem_Description { get { EnsureChildControls(); retur...more >>

I have installed our .NET application on a system running Microsoft Windows Vista operating system. When I run our application, I receive the following error message whenever it tries to create a DBF file using VFPODBC: "ERROR [IM001] [Microsoft][ODBC Driver Manager] Driver does not support ...more >>

I admit this not being C# specific but i don't know where else to start. My application needs an "administrator" user id. This would function just like the "administrator" user id in windows. The account is built-in. The only thing that is configurable about the account is the password. ...more >>

I want to get the list of privilages set on process token using C#. Please let me know. Thanks Ramesh ...more >>

I'm trying to inherit subclass from System.Diagnostics.Process, but whenever I cast a "Process" object to it's subclass, I encounter an exception "System.InvalidCastException" ("Specified cast is not valid"). How do I fix it ? using System.Diagnostics; .. .. class NewProcess: Process ...more >>

I am trying to populate a TreeView with XML data within a DataSet. I don't see the property DataSource in the treeview, only a DataBinding. Can that property to be used to populate my TreeView or must I brute force my way by added each row of my dataset to the TreeView? -- ----------- ...more >>

I have a set of code that updates to a div tag through javascript whenever a checkbox is checked, however I need a way to get that information to the server side when the user uses the submit button. So I created an asp:button on the page, but for some reason, everytime I press the submit button...more >>

Hi I have a sorted list with several thousands items. In my case, but this is not important, objects are stored only in Keys, Values are all Nothing. Several of the stored objects (might be a large number) have to be removed (say when ToBeRemoved = true). class SomeObj ToBeRemoved be a...more >>

In our app, we need to collect data at regular intervals (4, 8 or 16 seconds - user settable). The collection happens in a background thread. My first approach was to do the collection, which takes about 0.5 seconds, then calculate how much time to sleep until the next collection. The problem...more >>

Hi group, i have a method in my class with the following code: private double GetCompletedPercentage(TimeSpan totalTime, TimeSpan budgetedTime) { double totalMinutes = totalTime.TotalMinutes; double budgetedMinutes = budgetedTime.TotalMinutes; return Math.Round((totalMinu...more >>

Hello I am studying the ECMA specs and was doing wonderfully until just now. They have just broached the topic of AMM and given some example code which seems to be demanding a greater understanding from the reader than the previous examples. I include the code following, would someone please b...more >>

Hi, imagine there's a WEB application reading data from an Oracle database to visualize in using DataGrids in the clients browser. Yes, sounds simple, just create OracleConnection + OracleCommand + DataAdapter, bind a DataGrid to the DataAdapter, that's it. Problem with that approach might be...more >>

Hi I need the following: at particular times of day, I want to make some processing. System.Windoes.Timer doesn't help much, because it exposes the Interval property. Instead, I need to tell the timer: fire at 3:25 pm. What's the best way to accomplish that? Thanks. ...more >>

Anyone have a code example on how I make a treeview so it only displays a checkbox on the nodes I decides that needs one? And not just all of the nodes like the Microsoft standard version of treeview dos it. I use Framwork 2.0 VS 2005 Rene...more >>

greetings I would like to be able to design some extra graphics above the header cells of a datagridview that I have.... I've been trying to use e.cliprectangle.Offset(0,80); but it is useless the drawing I make always became over the grid.... How can I do this?.... Thanks A Lot...more >>

The code below was taken from an example. All the "noise" in the example was thrown out. This is supposedly according to the bridge pattern. What in the code (which lines) represent the bridge pattern (make this code to be according to the bridge pattern), and what is the advantage of employin...more >>

How do I make it does NOT appear on the task bar when it is started? ...more >>

Hi, Is there a way to change the apparance of DataGridBoolColumn, e.g. I'd like the checkbox has no square box when it is in read only mode? Thanks a lot! ...more >>