Accelerated VB 2005 phần 4 ppsx

... B() ca.SomeMethod(123 .45 6) cb.SomeMethod(123 .45 6) End Sub End Class The previous code displays the following results when run: A.SomeMethod received 123 B.SomeMethod received 123 .45 6 In this example, ... cpx3) Console.WriteLine("cpx4 == {0}", cpx4) Console.WriteLine("cpx5 == {0}", cpx5) End Sub End Class Here are the results of running the previous code: cpx1 == (1,...

Ngày tải lên: 09/08/2014, 12:22

... 53.5 50 47 .5 46 45 .5 46 47 .5 50 53.5 58 63.5 70 9 82.5 74 66.5 60 54. 5 50 46 .5 44 42 .5 42 42 .5 44 46 .5 50 54. 5 60 10 87. 5 78 69. 5 62 55 . 55 04 5 . 5 42 39. 5 38 37. 5 38 39. 5 42 4 5 . 550 11 ... 100 86.8 75 64. 8 56 48 .8 43 38.8 36 34. 8 34 36.8 5 143 .8 127 111.8 98 85.8 75 65.8 58 51.8 47 43 .8 42 41 .8 42 45 .8 50 143 .8 127 111.8 98 85.8 75 65.8...

Ngày tải lên: 06/08/2014, 20:21

... the subject b e f o r exclusivity arc Figure 4. 14 Entity class generalization prompted by mutually exclusive relationships. Tax Assessment Taxpayer be for be the subject of Simsion-Witt_ 04 10/8/ 04 7 :40 PM Page 141 The result ... you should assign to each column the appropriate DBMS datatype (as indicated in Sections 5 .4. 4.1 thru 5 .4. 4 .4) . If, however, you are using an SQL99-co...

Ngày tải lên: 08/08/2014, 18:22

... 'close the connection cmd.Connection.Close() 'dispose the command cmd.Dispose() Chapter 4 [ 87 ] sb.Append(" UPDATE stock SET") sb.Append(" qty = qty - {1}") sb.Append(" ... get inserted with any new row (even though that is the rst command issued to execute). Chapter 4 [ 91 ] cmd.Parameters.Add(p_ename) cmd.Parameters.Add(p_sal) cmd.Parameter...

Ngày tải lên: 08/08/2014, 20:21

... Available THE APRESS ROADMAP Beginning VB 2005 Databases Beginning Object-Oriented Programming with VB 2005 Accelerated VB 2005 Beginning Visual Basic 2005 Express Edition Pro VB with the .NET 3.0 Extensions, ... Headers: Signature: 0x000 045 50 COFF Header: Machine: 0x014c Number of sections: 0x00 04 Time-date stamp: 0x455d3185 CHAPTER 2 ■ VB 2005 AND THE CLR 14 801-...

Ngày tải lên: 09/08/2014, 12:22

... statement: If x = 0 Then y = 1 ElseIf x = 1 Then y = 10 End If CHAPTER 3 ■ VB SYNTAX 44 801-6CH03.qxd 2/15/07 9:32 PM Page 44 Casting variables with either of these methods is pretty straightforward, ... switches that you can use with gacutil.exe: CHAPTER 2 ■ VB 2005 AND THE CLR20 801-6CH02.qxd 2/15/07 9: 24 PM Page 20 reference types, and VB will generate a compiler error if you...

Ngày tải lên: 09/08/2014, 12:22

... that is a field in an object that lives on the heap. Value CHAPTER 4 ■ CLASSES AND STRUCTURES 64 801-6CH 04. qxd 2/15/07 9:57 PM Page 64 Equality and What It Means Equality between reference types that ... read-write, read-only, or write-only access to your properties. Beginning with Visual Basic 2005 (VB 2005) , Get and Set accessors can have different accessibility levels, provided...

Ngày tải lên: 09/08/2014, 12:22

... C: \Accelerated VB 2005\ Projects\Exceptions\Exception4 .vb: line 18 End of inner exception stack trace at Exceptions.Entrypoint.Main() in C: \Accelerated VB 2005\ Projects\Exceptions\Exception4 .vb: line ... If Dim cpx2 As Complex = New Complex(0.0, 0.0) CHAPTER 8 ■ OPERATOR OVERLOADING 149 801-6CH08.qxd 2/28/07 12: 24 AM Page 149 ■Caution Before you jump to the conclusion that...

Ngày tải lên: 09/08/2014, 12:22

... & _ vbCrLf & "# OR " & vbCrLf & _ "|2[0 -4] \d # Starts with a 2, after a number from 0 -4& quot; & _ vbCrLf & " # and then any digit" & vbCrLf ... " & vbCrLf & "([01]?\d\d?|2[0 -4] \d|25[0-5])\. " & _ vbCrLf & "# REPEAT " & vbCrLf & "([01]?\d\d?|2[0 -4] \d|25[0-5])\. " & _ vbCr...

Ngày tải lên: 09/08/2014, 12:22

... CType(o, ISomeInterface) o.DoSomething() Next o End Sub CHAPTER 13 ■ GENERICS2 54 801-6CH13.qxd 2/28/07 3: 34 AM Page 2 54 Now, the delegate is much more generic. Such a delegate could be useful in ... example, as you might expect, returns the following: 42 CHAPTER 13 ■ GENERICS2 64 801-6CH13.qxd 2/28/07 3: 34 AM Page 2 64 class and the interested parties, and with coupling comes comp...

Ngày tải lên: 09/08/2014, 12:22