... FileStream(this.FullPath, FileMode.Open, FileAccess.Read); ///Create byte array. Byte[] _oByte = new byte[1024]; ///Create UTF8Encoding. UTF8Encoding _oUTF8Encoding = new UTF8Encoding(); ///while filestream ... declare."); else{ ///check file exists, throw exception if it isn't exist. if (System.IO.File.Exists(this.FullPath)) { ///Create filestream with filemode open and fileaccess ... ///check file path. throw exception if is null or empty. if(this.FullPath == null || this.FullPath.Equals("")) ///throw exception. throw new Exception("Can not get content!...
... generic type declaration. Like fields, methods can be static (associated with and accessed through the class) or instance (associated with and accessed through an object instance of the class).ConstructorsA ... C: \WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe hello.cs ã For Mono run mcs hello.cs. ã For users of cscc, compile with "cscc -o <name>.exe <name>.cs". Doing so will produce ... &Overflow exception controlExpression Explanationchecked(a) uses overflow checking on value aunchecked(a) avoids overflow checking on value a22 | C# Programming Chapter 24A section "Entitled...
... } public HocSinh(string ht) { hoTen = ht; }}Constructor m c đ nhặ ịConstructor m c đ nhặ ịConstructor sao chépConstructor sao chépConstructor kh c Constructor kh c (t o h c sinh khi ... execute. ➤ The MyBaseClass.MyBaseClass() constructor will execute. ➤ The MyDerivedClass.MyDerivedClass() constructor will execute23 static static ConstructorsConstructorsA static constructor ... ệTruy c p qua tên l p: CSharpậ ớTruy c p qua tên l p: CSharpậ ớ Th t th c thi cac constructorứ ự ự ́Th t th c thi cac constructorứ ự ự ́In C# , constructors are called using the new...
... Generic InterfacesGeneric InterfacesGeneric interfaces can inherit from non-generic interfaces if the generic interface is contra-variant.Concrete classes can implement closed constructed ... lists.23public class Container {}public class Container<T> {}public class Container<T, R> {}//public class Container<X, Y> {}23Don’t appear with public class Container<T, ... StructsGeneric InterfacesGeneric Methods Generic DelegatesGeneric Type ConversionNullable Types 2 Generic InterfacesGeneric InterfacesGeneric classes can implement ãgeneric...
... nhằm để kiểm tra dầu c thể tiếp t c chảy hay không và m_button thu c CBitmapButton để ta c thể đặt cc bitmap lên button. Do đó 3 mảng c kiểu là một c u tr c gồm ccc biến ‘in’ ‘out’ ‘nen’ ... nhận t c động Click để đặt ống vào, mảng 1 chiều array2[5] hoạt động như một hàng đợi. Một mảng 1 chiều array3[7] dùng để chứa tất ccc loại ống. Mỗi phần tử c a 3 mảng này gồm ccc biến ... và trong chương trình ta c sử dụng phép gán giửa hai phần tử c a mảng vì vậy ta xây dựng một lớp là CMang class CMang : public CWnd { public: CMang(); public: BOOL flag; CBitmapButton...
... V_1,class yyy V_2) 8: ldc.i4.s 10 9: newobj instance void yyy::.ctor(int32) 10: stloc.0 11: ldc.i4.5 12: newobj instance void yyy::.ctor(int32) 13: stloc.1 14: ldloc.0 15: ldloc.1 16: call ... 25: 26: .class public auto ansi yyy extends [mscorlib]System.Object 27: { 28: .field public int32 i 29: .method public hidebysig specialname static class yyy op_Addition(class yyy x,class yyy ... M c dù chúng ta viết mã trong C# c quá tải toán tử như vậy, nhưng trình biên dịch C# sẽ phải dịch ra ngôn ngữ trung gian IL để th c thi trên môi trường .NET. Đoạn lệnh đã đư c biên dịch ra...
... { this._sName = name; } } } Mình không c nhiều thời gian nên cc bạn c thể tự tìm hiểu thêm, chú cc đến Enumerator c a AttributeTargets. Sử dụng Attribute tự tạo tương ... Ví dụ 3! Creating Custom Attributes(tạo một Attributes) * Lớp tạo Attributes PHP Code: /* * Created by SharpDevelop. * NetDevelop Co., Ltd. * Author: Tuan Anh Nguyen Ngoc * Date: ... Ngoc * Date: 11/24/2006 * Contact Information. * - Email: info.netdevelop@gmail.com * - Handheld: +84 905 202 088 */ using System; namespace AdvancedDotnet { /// <summary>...
... source code to execute on a particular machineã compilation into machine-language object codeã direct execution of source code by interpreter programã compilation into intermediate object code ... o. A car has a current speed and has a certain amount of fuel inside it.Speci c behaviour can also be associated with each object (things that you can do with it) :- a watch can be checked ... automatically at the end of every month) and could discipline any doctor guilty of misconduct – of course this would be true for other sta as well. More specically a manager could check that a doctor’s...
... from an Access database.Listing 1.2: OLEDBCONNECTIONACCESS.CS /* OleDbConnectionAccess.cs illustrates how to use an OleDbConnection object to connect to an Access database24 Mastering C# Database ... the constructor OleDbConnection myOleDbConnection = new OleDbConnection(connectionString); // create an OleDbCommand object OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); ... creates an OleDbConnection object, passing connectionString (set in the previous line of code) to the constructor:OleDbConnection myOleDbConnection = new 01eDbConnection(connectionString);Listing...
... namespace has been imported, the following example creates anOleDbConnection object, passing connectionString to the constructor: OleDbConnectionmyOleDbConnection = new OleDbConnection(connectionString);Listing ... source=ORCL;user id=SCOTT;password=TIGER"; // create anOleDbConnection object to connect to the // database, passing the connection string to theconstructor OleDbConnection myOleDbConnection ... OleDbConnection(connectionString);// create an OleDbCommand object OleDbCommand myOleDbCommand =myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommandobject to...
... listenerSocket.Bind(ipepServer) listenerSocket.Listen(-1) clientSocket = listenerSocket.Accept() If clientSocket.Connected Then Do bytesReceived = clientSocket.Receive(recv) tbStatus.Text += Encoding.ASCII.GetString(recv) ... EndPoint.AcceptSocket()Accepts a pending connection request. Returns Socket.AcceptTcpClient()Accepts a pending connection request. Returns TcpClient.Pending()Determines if there are pending connection requests. ... creation of an OleDbConnection object,where the constructor is passed the connection string (Table 2.6). Here thedatabase is a Microsoft Access file located at c: \purchaseOrder.mdb C# string szDSN...
... GetReadOnlyData(OleDbCommand cmd) { try { if (cmd.Connection != null) { return cmd.ExecuteReader(); } else { using (OleDbConnection conn = GetConnection()) { cmd.Connection = conn; ... Console.WriteLine("Không thu c tất ccc trường hợp trên"); break; } C u tr c vòng lặp trong lập trình C# C# cung c p cc cấu tr c vòng lặp chương trình While Do… while For Foreach Sau ... trong C# , c ch khai báo biến, mảng trong C# C u tr c điều kiện, lựa chọn if … else và switch… case C u tr c vòng lặp while, do…while, for, foreach Bài tập tự th c hiện Để c ng c kiến...