Visual Basic .NET ?? Visual Basic 2005 ?? ????? ?? ?? ?????? ??? ???? ?? ????? ?? ??? ???? ????

??????????

• Microsoft Windows 2000 Professional, Windows 2000 ?????, Windows 2000 ????? ?????, Microsoft Windows Server 2003, ?? Windows NT 4.0 ?????
• Microsoft ??????? ????? ????? 4.0 ?? ??????? ????? ?????? 5.0 ?? ??? ?? ???????
• Microsoft Visual Studio .NET ?? Microsoft Visual Studio 2005

• Visual Studio .NET ?? Visual Studio 2005 ?????? ????? ??????? ?? ????? ???? ????

?????? .asmx ??? ???? ?????

1. Visual Studio .NET ?? Visual Studio 2005 ??????? ?????
2. ??? ??? ?????? ????? ????? (ASP) .NET ??? ???? ????????? ?????? ??? ???? ?? ???MathService?? ???? ??????? ??? ????? ?? ?? asp.NET ??? ?? ??? ?????? ?? ?? ????? ?? ????? ?????
3. ???? ?? ??? ?????? ????? ?? ??? ?????MathService?????? ?? ????
4. ???? ?? ??? Service1.asmx ?? ???? ?? ??????? ??? ???? ?? ??? ?????MathService.asmx.
5. ????? ????,??? ????? ?? ????? ???? ?? ??? ???? ????? ??????? ????? ?? ????? ???? ?? ??? ??????? ????????
   
   ?? ???? ?? ??? ?????????????? ???? Service1???? ?? ???????????? ???? MathService.
6. ???? ???? ?? ??????????? encapsulate ??????? ?? ????????? ????? ???? ?? ????? ?? ????? ?? ???????? ???? ?? ??? ????????? ???? ????? ???WebMethod?? ?? ????? ??????? ??? ?? ??????? ?? ???? ???? ????? ???? ???? ?? ???? ????? ?? ?????
   
   ???:: ???? ??? ???? ?? ??? ???? ???????? ???? ?? ???????? ??WebMethod??????? ??? ?? ??? ???? ?? ?????? ?????? ?? ??? ?? ????????? ??? ???? ??????? ??? ?? ??? ??????????? ????? ?? ?????? ?? ??? ?????? ??WebService???? ?? ??????? ????????? ??? ????? ???? ???? ??? ??? ??????? ????????? ???? ?? ????????? ????, ????? ???? ?? ????? ?? ???? ???WebMethod??????? ?? ?????? ??? ?? ??? ???? ?? ??? ??? ????? ????? ?? ??????
   
   ???? ?? ??? ????? ???? ??????MathServices???? ???? ???? ??? ????? ??:

   <WebMethod()> Public Function Add(a As Integer, b As Integer) As Integer
      Return(a + b)
   End Function
   
   <WebMethod()> Public Function Subtract(A As System.Single, B As System.Single) As System.Single
          Return A - B
   End Function
   
   <WebMethod()> Public Function Multiply(A As System.Single, B As System.Single) As System.Single
          Return A * B
   End Function
   
   <WebMethod()> Public Function Divide(A As System.Single, B As System.Single) As System.Single
   If B = 0
   Return -1
   End If
   Return Convert.ToSingle(A / B)
   End Function
   					

7. ????? ????,?????????? ????????????? ??? ???? ?? ????? ?? ??? ???
8. ??? ???? ?? ??????? ???? ?? ??? MathService.asmx ??? ???? ????? ?? ?????? ????? ??? ?? ?? ????? ?? ????? ???? ?? ??? ??????? ???????? ??? ??, URL ?? http://localhost/MathService/MathService.asmx.
   
   ASP.NET ?????? ?? ???? ??? ???? ??? ????? ??? ???? ?? ????? ???? ?? ?? ???? ??? ?? ????? ???? ??????? ??? ???? ??????? ?? ??????? ???? ?? ??? ???? ???

??? ??? ???? ?? ??? ?? ???? ??

1. Visual Studio .NET ?? Visual Studio 2005 ??????? ?????
2. ??? ??? ????? ????????? ????????? ??????
3. ??? ????? ????????? ?? ??? MathService ??? ???? ?? ??? ??? ?????? ???????
   
   ?? ??? ?? ??????? ???????? ?? ?? ???????? ???? ????? ??? ???????? ????? ????? ??, ?? ??? ???????? ???? ?? ?????? ??? ???? ???? ???????? ???? ??? ??? ?? ???????? ?? ??? ??, ?? ??? ???? ?? ?????????? ?????? ?????????? (URI) ?? ???? ??? ?? ?? (?????? ????? ?? ???? SOAP ?? ??? ???)?
   1. ????? ????????????????? ??,??? ?????? ??????.
   2. ???????? ?????? ??????????? ????? ???, ??? ??? ???? ?? ??? URL ??????????? ????? ?? ENTER ?????? ??? ?? ??? ???? ?? ????? ???? ?? ??? ??????? ???????? ???, URL ?? http://localhost/MathService/MathService.asmx.
   3. ????? ????,?????? ??????.
   4. ??????? ??????? ???????????? ?? ?????? Explorer ?? ??? ?? ????? ???? ??? ????? ??? ?????
4. ???? ?? ???????? ???????? ?? ??????? ?????? ?? ??? ?? Module1 ??????? ?? ????? ????????? ??? ????:

   Dim myMathService As localhost.MathService = New localhost.MathService()
   					

5. ???????? ???????? ???? ???? ??? ??? ???? ?? ???? ???? ??????? ????:

   Console.Write("2 + 4 = {0}", myMathService.Add(2,4))
   					

6. ??? ????, ?? ????????? ???????

????? ?? ???? ???? | ??????????? ???