I have a Media table in the database. I also have an IMedia interface. I have two different media types that implements th开发者_高级运维e same interface:
I开发者_运维问答 have seen the Tuple introduced in .Net 4 but I am not able to imagine where it can be used. We can always make a Custom class or Struct.That\'s the point - it is more convenient not t
This should hopefully be a simple configuration problem. When my application targets .Net 3.5 This code
I开发者_运维技巧f we have it for interfaces, why dont we have it also for classes? What would be the problem that we would incur when using it?Suppose you had a class C<T> that was covariant in
I am us开发者_如何学编程ing C# 4.0, how can I avoid the problem of writing lots of similiar methods because they are each parameter-unique (how can the new parameter features avoid overload hell?).
The following code fails to compile, producing a \"Widget must be a non-abstract type with a public parameterless constructor\" error. I would think that the compiler has all of th开发者_Python百科e i
How do I get the selected item in a WPF datagrid?Tried the following, with no luck; dataGrid1.CurrentCell.Item.ToString();
I am reading Effective C# by Bill Wagner. In Item 14 - Minimize Duplicate Initialization Logic, he shows the following example of using the new optional parameters feature in a constructor:
We have a custom action in our installer.We upgraded our projects to the .NET 4.0 framework, and when it applies the custom act开发者_高级运维ion, the installer throws a 1001 error that says the versi
I have just moved one of my projects into VS2010/fx4.0 and am using a SQL CE database as the backing store.Since moving it to this version of .NET I am now getting this error:
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