.net

How can I return IEnumarable data from function in GridView with Entity Framework?

protected IEnumerable GetPersonalsData() { // List<Personals> personel; using (FirmaEntities firmactx = new FirmaEntities()) { var personeldata = (from p in firmactx.Personals select new { p.ID, p.Name, p.SurName }); return personeldata.AsEnumerable(); } } I want to send GetPersonelData() into GridView DataSourc...

What should the name of this class be?

Naming classes is sometimes hard. What do you think name of the class should be? I originally created the class to use as a cache but can see its may have other uses. Example code to use the class. Dim cache = New NamePendingDictionary(Of String, Sample) Dim value = cache("a", Function() New Sample()) And here is the class that need...

How to create 2D jagged array

In my code an array is declared as follows private Object[,] cellInfos = new Object[20, 10]; I need to convert it into Jagged array so I wrote following code private Object[][] cellInfos = { new Object[20], new Object[10] }; But it gave me a array with 2 items...

writing a data to App_Data

I want to write an .xml file using the following code into the App_Data/posts, why is it causing an error: Stream writer = new FileStream("..'\'App_Data'\'posts'\'" + new Guid(post_ID.ToString()).ToString() + ".xml", FileMode.Create); ...

How to use XML namespace prefixes without xmlns="..." everywhere? (.NET)

The subject is probably too short to explain it... I'm writing out XML files with no namespace stuff at all, for some application. That part I cannot change. But now I'm going to extend those files with my own application-defined element names, and I'd like to put them in a different namespace. For this, the result should look like this...

NHibernate many-to-many with composite element

Hello everyone. I encountered the following problem. In my application uses the entities Owner and Area binding as many to many. public class Area : DomainObject<int> { private ISet<OwnersPeriod> _owners = new HashedSet<OwnersPeriod>(); public ICollection<OwnersPeriod> Owners { get { return _owners; } s...

simple blog engine for website

I know that there's a lot of free open source blog engine out there such as BlogEngine.NET. However that's an overkill for my purpose... I so far has created my own simple one by storing posts in a .xml file and so every time the main page loads it reads from all those xml files and displays it as posts. Now my problem is when a user cl...

code to send email

What am I doing wrong here? private void SendMail(string from, string body) { string mailServerName = "plus.pop.mail.yahoo.com"; MailMessage message = new MailMessage(from, "[email protected]", "feedback", body); SmtpClient mailClient = new SmtpClient(); mailClient.Host = mailServerName; ...

Using image resource in XAML markup?

I'm trying to add little icons to my tabs in WPF but having trouble with how to set up the binding. <TabItem.Header> <StackPanel Orientation="Horizontal"> <Image Source="{Binding Source=prop:Resources.eye}" /> <Label VerticalAlignment="Center">Header</Label> </StackPanel> </TabItem.Header> The xmlns:prop is...

List of values as keys for a Map

I have lists of variable length where each item can be one of four unique, that I need to use as keys for another object in a map. Assume that each value can be either 0, 1, 2 or 3 (it's not integer in my real code, but a lot easier to explain this way) so a few examples of key lists could be: [1, 0, 2, 3] [3, 2, 1] [1, 0, 0, 1, 1, 3] [...

Is there a way to reliably detect the total number of CPU cores?

I need a reliable way to detect how many CPU cores are on a computer. I am creating a numerically intense simulation C# application and want to create the maximum number of running threads as cores. I have tried many of the methods suggested around the internet like Environment.ProcessorCount, using WMI, this code: http://blogs.adamsof...

Managing EntityConnection lifetime

There have been many question on managing EntityContext lifetime, e.g. http://stackoverflow.com/questions/813457/instantiating-a-context-in-linq-to-entities I've come to the conclusion that the entity context should be considered a unit-of-work and therefore not reused. Great. But while doing some research for speeding up my databas...

SortedDictionary add one SortedDictionary into another

I have a requirement where I already have an existing SortedDictionary<string, int>. Now I am creating a different SortedDictionary and like to add this in the first one . How to do it? ...

Visual Studio CLR project

Hi, so I wanted to try my first CLR project in Visual C++. So I created console project, but since every tutorial I found about CLR programming was using C#, or windows forms, I just tried writing standart c++ Hello Word app using iostream (I think code isnt needed in this case) but I though it will give me some compile error, since ios...

How programically check if SQL Server CE is installer (System.data.sqlserverce exist)

How can I programmatically check whether SQL Server CE is installed (System.data.sqlserverce exist) in C# .Net 3.5. Can I get the version on SQL Server CE? ...

Moving a member of a List to the Front of the List

How would one create a method that takes an integer i, and move the member of a List<T> at index i from its current position to the front of the list? ...

[AS3/C#] Byte encryption ( DES-CBC zero pad )

Hi there, Currently writing my own AMF TcpSocketServer. Everything works good so far i can send and recieve objects and i use some serialization/deserialization code. Now i started working on the encryption code and i am not so familiar with this stuff. I work with bytes , is DES-CBC a good way to encrypt this stuff? Or are there othe...

Where to call RouteDebugger.RewriteRoutesForTesting() when route registration is injected?

As Phil Haack explains on his blog entry, the Route Debugger helps visualizing your routing tables. My site however gets it's routing injected by the MVCTurbine dependency injection (using Unity) like so: public class DefaultRoutRegistration : IRouteRegistrator { public void Register(RouteCollection routes) { routes.Igno...

How to get the header of the parent node of a selected TreeViewItem?

I have this TreeView: Main Node Header="Main" Sub Node Header="Sub1" Final Node Header="Item1" Final Node Header="Item2" Sub Node Header="Sub 2" Final Node Header="Item1" Final Node Header="Item2" I have two textboxes that are bound to this TreeView. One has its Text property bound to the TreeView's Selec...

Why it isn't possible to declare a method parameter as var type.

I wonder why it is not possible a method parameter as var type like private void myMethod(var myValue) { // do something } ...