1. Новости в .NET CLR 2.0 Светлин Наков Българска асоциация на разработчиците на софтуер
2.
3.
4.
5. SQL CLR Functionality VS .NET Project CLR hosted by SQL (in-proc) Define Location.Distance() Assembly: geom.dll VB, C#, … Build SQL Server SQL Data Definition: create assembly … create function … create procedure … create trigger … create type … SQL Queries: SELECT name FROM Supplier WHERE Location::Distance ( @point ) < 3
6.
7.
8.
9.
10.
11.
12.
13. Generics public class List { private object[] elements; private int count; public void Add(object element) { if (count == elements.Length) Resize(count * 2); elements[count++] = element; } public object this[int index] { get { return elements[index]; } set { elements[index] = value; } } public int Count { get { return count; } } } public class List<T> { private T [] elements; private int count; public void Add( T element) { if (count == elements.Length) Resize(count * 2); elements[count++] = element; } public T this[int index] { get { return elements[index]; } set { elements[index] = value; } } public int Count { get { return count; } } } List intList = new List(); intList.Add(1); intList.Add(2); intList.Add(“3"); int i = (int)intList[0]; List intList = new List(); intList.Add(1); // Argument is boxed intList.Add(2); // Argument is boxed intList.Add(“3"); // Should be an error int i = (int)intList[0]; // Cast required List <int> intList = new List <int> (); intList.Add(1); // No boxing intList.Add(2); // No boxing intList.Add(“3"); // Compile-time error int i = intList[0]; // No cast required C#
14.
15. Generics in VB Public Class List(Of ItemType ) Private elements() As ItemType Private elementcount As Integer Public Sub Add(ByVal element As ItemType ) If elementcount = elements.Length Then Resize(elementcount * 2) elements(elementcount) = element count += 1 End Sub Public Default Property Item(ByVal index As Integer) As ItemType Get Return elements(index) End Get Set (ByVal Value As ItemType ) elements(index) = Value End Set End Property Public ReadOnly Property Count As Integer Get Return elementcount End Get End Property End Class Dim intList As New List(Of Integer) intList.Add(1) ‘ No boxing intList.Add(2) ‘ No boxing intList.Add(“3") ‘ Compile-time error Dim i As Integer = intList(0) ’ No cast required VB
16. Generics in C++ generic<typename T > public ref class List { array <T> ^ elements; int count; public: void Add( T element) { if (count == elements->Length) Resize(count * 2); elements[count++] = element; } property T default [int index] { T get() { return elements[index]; } void set( T value) { elements[index] = value; } } property int Count { int get() { return count; } } }; List<int> ^ intList = gcnew List<int> (); intList->Add(1); // No boxing intList->Add(2); // No boxing intList->Add(“3"); // Compile-time error int i = intList[0]; // No cast required C++
17.
18.
19.
20.
21.
22.
23.
24. Attend a free chat or web cast http://www.microsoft.com/communities/chats/default.mspx http://www.microsoft.com/usa/webcasts/default.asp List of newsgroups http://communities2.microsoft.com/ communities/newsgroups/en-us/default.aspx MS Community Sites http://www.microsoft.com/communities/default.mspx Sofia .NET User Group http://www.sofiadev.org/ Community sites http://www.microsoft.com/communities/related/default.mspx
![Developer Roadmap ,[object Object],[object Object],[object Object],[object Object],Visual Studio Orcas “Longhorn” Visual Studio .NET 2003 ,[object Object],[object Object],[object Object],[object Object],Visual Studio 2005 “Yukon” ,[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)