C# Bible 2002 phần 1 pdf

... When you define your variable in your C# code, you must give the variable a type. Table 3 -1 describes some of the basic C# variable types. Table 3 -1: Common C# Data Types Type Description sbyte ... of the pieces fit together to construct a complete C# application. Readers approaching C# with a background in C++ will find C# very familiar. C# was built with C and C++ in...

Ngày tải lên: 05/08/2014, 10:20

... Complement Operator class MyClass { public static void Main() { int Int1; Int1 = 12 3; Int1 = ~Int1; } } Prefixing increment and decrement operators The postfix operators ... ranging from 0 to 18 ,446,744,073,709,5 51, 615 . If the literal is suffixed with an uppercase or lowercase L, the decimal literal is considered a long type: long MyVariable = 12 5L; If th...

Ngày tải lên: 05/08/2014, 10:20

... Listing 6 -11 to the application you just created. Listing 6 -11 : Overriding Methods by Inheriting the Book Class class Wiley : Book { new public string Title() { return " ;C# Bible& quot;; ... of 10 0, the value of the value keyword in the set accessor will be 10 0. The set accessors in Listing 9 -1 set the corresponding field, but only if the value is within a leg...

Ngày tải lên: 05/08/2014, 10:20

... the code in Listing 12 -1 results in the output shown in Figure 12 -1 . Figure 12 -1: Referencing classes within namespaces Note that the MainClass class in Listing 12 -1 is not enclosed in ... III: Advanced C# Chapter List Chapter 12 : Working with Namespaces Chapter 13 : Understanding Interfaces Chapter 14 : Enumerations Chapter 15 : Events and Delegates Chapter 1...

Ngày tải lên: 05/08/2014, 10:20

... member 'Interface1.Method1()' The class must provide an implementation for the Method1() interface defined by Interface1, since the class implements Interface1. The following example ... Listing 13 -1 shows how the is keyword works: Listing 13 -1: Using the is Keyword to Work with an Interface using System; public interface IPrintMessage { void Print(); }; class...

Ngày tải lên: 05/08/2014, 10:20

... displayed as the caption of the form. Figure 21- 1 shows what the form looks like when the code in Listing 21- 1 is executed. Figure 21- 1: Listing 21- 1 displays a simple form. Compiling Your WindowsForms ... command line when compiling the code in Listing 21- 1: csc Listing 21- 1.cs Like all C# applications, this produces an executable called Listing 21- 1.exe. If you run this exe...

Ngày tải lên: 05/08/2014, 10:20

... dsCmd.SelectCommand = selectCommand; // Add each parameter 3 -10 // Etc. // Add each parameter ( #11 of 11 ) param = insertCommand.Parameters.Add("@Fax _11 ", OleDbType.VarChar, 24); param.Direction ... [nvarchar](60), @City_6 [nvarchar] (15 ), @Region_7 [nvarchar] (15 ), @PostalCode_8 [nvarchar] (10 ), @Country_9 [nvarchar] (15 ), @Phone _10 [nvarchar](24), @...

Ngày tải lên: 05/08/2014, 10:20

... g.DrawIcon(i, 15 0, 15 ); // draw a Rectangle Pen p2; p2 = new Pen(Color.PapayaWhip, 7); /* draw the Rectangle passing the x, y, * height and width */ g.DrawRectangle(p2, 50, 50, 10 0, 10 0); ... > </soap:Header> <soap:Body> <MethodName> <Param1Name>value1</Param1Name> <Param2Name>value2</Param2Name> <! et...

Ngày tải lên: 05/08/2014, 10:20

... Create Table Products 9. ( 10 . ProductID VarChar (4) Primary Key, 11 . ProductName VarChar (20), 12 . UnitPrice Integer, 13 . QtyAvailable Integer 14 . ) GO 15 . Select Query → Execute to ... private void Submit_Click(object sender, System.EventArgs e) { OS1.Service1 Web1=new OS1.Service1(); LabelMessage.Text=Web1.AddProduct(PID.Text, ProductName.Text, Convert.ToInt32(Price.T...

Ngày tải lên: 05/08/2014, 10:20

... Threads testThreading = new Threads(); Thread t1 = new Thread(new ThreadStart(testThreading.Threader1)); t1.Name = "Threader1"; t1.Start(); Thread t2 = new Thread(new ThreadStart(testThreading.Threader2)); ... functionality. Listing 35 -1 shows a simple COM+ class written in C#. This object participates in COM+ object pooling. Listing 35 -1: Poolable COM+ Compon...

Ngày tải lên: 05/08/2014, 10:20