.net

Making a .NET 2.0 Windows Form Application backward compatible with .NET 1.1

Hi, I have created a Windows Form Application using Visual C# 2008 Express Edition with target as .NET 2.0. Now I need to build this project for .NET 1.1. The problem I am facing is that the designer classes are not supported in .NET 1.1. They use the partial keyword which is not supported in .NET 1.1. What steps do I need to follow to ...

WPF View sets ViewModel properties to null on closing

Hi All I have an application where I'm displaying UserControls in a GroupBox. To display the controls, I'm binding to a property in the ViewModel of the main form, which returns a ViewModel to be displayed. I've got DataTemplates set up so that the form automatically knows which UserControl/View to use to display each ViewModel. When...

ASP.NET Development server crash

I'm getting a crash while trying to debug a asp .net application via webdev from Visual Studio 2008. Normally, the usual way of troubleshooting this issue is to narrow down the code change that would lead to the crash. This is usually time consuming. Fortunately, this only happens once in a blue moon. I'm wondering if there is a faster ...

Lucene.Net Best Practices

What are the best practices in using Lucene.Net? or where can I find a good lucene.net usage sample? ...

Why do I get an InteropServices.COMException when attempting to launch QTP from C#?

This question is a follow-up to the one at http://stackoverflow.com/questions/895342/can-i-use-a-language-other-than-vbscript-to-programmatically-execute-qtp-tests. I have a C# (.Net 2.0) program which creates an instance of QuickTest.Application and launches QuickTest Professional (version 10.0). All my development testing worked well. ...

Improvements to C++/CLI in .NET framework releases

There have been substantial features and improvements in C# with each new release of the .NET framework, and in the upgrade from .NET1.0 to .NET2.0, Managed C++ was replaced with C++/CLI, which was a great improvement. Have there been any improvements in C++/CLI since .NET2.0? ...

Different Value Member, same control

Edit 1 I believe my problem stems from the following. The function that fills the dropdown portion sets the Display Member to the CountyName. Then when I try and set the SelectedText or EditValue, as has been suggested, that function only returns the CountyID which it try's to match to something in the DropDown list DisplayMember. I ...

Is using the ASP.NET Membership providers in winforms application a bad idea?

Can anyone think of a reason not use the ASP.NET membership providers in a winforms application? Has anyone have experience doing this? ...

Convert VB.NET 2005 project to C# 2008 Project

Is there a tool to convert a VB.NET 2005 project to a C# 2008 project. I am trying to convert our project to VS 2008 and mostly port all the vb.NET code in some projects to C# 3.0/3.5. ...

LINQ CompiledQuery.Compile and dynamic sorting?

This is a very short question and I fear the answer is short too. Is there any way of doing anything along the lines of Func<DataContext, string, bool, IEnumerable<X> fnMyQuery = CompiledQuery.Compile<DataContext, string, bool IList<X>( (db, sortColumn, sortDesc) => ( (!sortDesc)? db.OrderBy(x => DynamicRes...

How can I host a Java Swing component in a .NET application

I have some Java user interface controls that I want to host in my .NET application as I can't afford to rewrite them. How can I do that? Do I need to wrap them up in COM? How do I do that? I want the component to sit on a form with other components written in .NET. ...

Why does this code to resize the height a .NET Form make the form too small?

My intent is that the form be sized large enough to show the entire "buttonOK", but not much larger. What actually happens is that the resized form ends up to small to even show the button at all. public MyFormDlg() { InitializeComponent(); this.Height = this.buttonOK.Bounds.Bottom + SomePadding; ...

Multiple Inheritance in .NET

Do you consider .NET to have multiple inheritance? Why? Yes, I know that by definition is doesn't, but I have had more than one person argue that since you can inherit more than one interface than it does. I know this is a very subjective question (hence the tag), but I was hoping to get some more views on this. Edit I am not asking if...

How does .NET 4.0's design by contract compare to Eiffel?

I had the "pleasure" to be taught Eiffel at college by none other than Bertrand Meyer himself and just read that .NET 4.0 will include design by contract. Can anyone with some insight elaborate on how powerful this will be compared to Eiffel's existing feature set? Will contracts for interfaces be supported? ...

Advice needed: Screen scraping a web page using .NET

Hello everybody, I need an advice for a project I am about to begin. In few words, my application has to go to a certain soccer website, download the HTML and extract the necessary data. This is what I have done so far: :: 1) Go to a certain soccer website (ex. http://www.livescore.com/default.dll?page=england) and download the HTML ...

byte[] to string in c#

I have a .NET byte[] that is loaded from a file that I happen to known contains UTF-8. In some debugging code, I need to convert it to a string. Is there a one liner that will do this? Under the covers it should be just an allocation and a memcopy so even if it is not implemented, it should be possible. ...

WPF: How to Disable Combobox Items?

Hi! Is there a way to disable all but the first x items of a WPF ComboBox by accessing its items' properties via an Index? edit: ComboBoxItem DiffieHellmanItem = (ComboBoxItem)comboboxName.ItemContainerGenerator.ContainerFromIndex(i)); works ...

The Mono .NET framework and WMI

We have a .NET project that uses WMI and are interested in porting it to the Mono framework. It appears Mono does not support WMI. Are there any libraries that can add WMI support? Basically we would want to access a Windows server using WMI from a Linux/OS X box. ...

How to tell if .NET compiled code uses p/invoke?

What is the easiest way to tell if .NET compiled code is using p/invoke? ...

Multiple Asynchronous SqlClient Operations - Looking for a good example

I have been using Asynchronous operations in my WinForms client since the beginning, but only for some operations. When the ExecuteReader or the ExecuteNonQuery completes, the callback delegate fires and everything works just fine. I've basically got two issues: 1) What is the best structure for dealing with this in a real-life system...