ado net programming in c

... when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static int Y = A.X ... explicitly or implicitly. b) Static constructors can have accessibility modifiers. e) Static constructors are called when the class is loaded. c) Static constructors cannot be called ... error. c) Incompatible type for ’=’ can’t convert SubClass to SuperClass. b) No constructor matching SuperClass() found in class SuperClass d) Wrong number of arguments in constructor....

Ngày tải lên: 21/08/2012, 15:55

... 104. Which of the following are correct statements for implementing an abstract class. [1.0] a) public abstract void class ClassA c) abstract public ClassA b) public abstract class ClassA ... ("MyDll.MyOName" ) object myObject = System.Activator .C reatInstance (myObjectType) b) By using the System.Reflection. CreateInstance() method to create an instance of object in the following manner. ... an int data type. 203. Which of the following is the correct syntax for declaring an indexer. [1.0] a) protected int this[int var1] c) public int this(int var1) b) public int classname[int...

Ngày tải lên: 29/08/2012, 16:37

... is called automatically when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static ... value c) get b) set d) find 100. public class A:B ,C, D{ } The above code represents ______ [0.5] a) multilevel interface c) multiple interface b) hierarchical interface d) multiple inheritance 101. ... False 25. Access Modifiers for variables in C# can be the following (Select all that apply) [1.0] a) Public c) Private b) Protected d) Public protected 26. In C# , an underscore is allowed as an initial...

Ngày tải lên: 09/04/2013, 09:10

... Creating Selective Continuations 115 Creating Many-to-One and Any-To-One Continuations 117 Canceling Continuations 120 Waiting for Continuations 122 Handling Exceptions 122 Creating Child ... Reader-Writer Locks 79 ■ CONTENTS xii Speculative Processing 285 Selection 285 Speculative Caching 288 Using Producers and Consumers 290 Decoupling the Console Class 290 Creating a Pipeline 292 ... code in Listing 2-12 creates two Tasks, each of which is constructed using a CancellationToken from a different CancellationTokenSource. The CancellationTokenSource for the second Task is cancelled,...

Ngày tải lên: 05/03/2014, 21:20

... www.it-ebooks.info ■ CONTENTS xii Speculative Processing 285 Selection 285 Speculative Caching 288 Using Producers and Consumers 290 Decoupling the Console Class 290 Creating a Pipeline 292 Index ... Continuations 117 Canceling Continuations 120 Waiting for Continuations 122 Handling Exceptions 122 Creating Child Tasks 126 Using Synchronization to Coordinate Tasks 129 Barrier 131 CountDownEvent ... Partitioning Strategy 200 www.it-ebooks.info ■ CONTENTS viii Working with Concurrent Collections 87 Using .NET 4 Concurrent Collection Classes 88 Using First-Generation Collections 97 Using...

Ngày tải lên: 06/03/2014, 20:21

Ngày tải lên: 21/07/2014, 21:20

Ngày tải lên: 05/11/2012, 14:45

Ngày tải lên: 15/11/2012, 14:57

... some basic code profiling to examine the effects of explicitly declaring variables as registers. Consider the fibonacci sequence generating function fibonacci in prob1 .c, which is reproduced at ... Electrical Engineering and Computer Science 6.087: Practical Programming in C IAP 2010 Problem Set 3 – Solutions Control flow. Functions. Variable scope. Static and global variables. I/O: printf ... return 0 ; } Hint: In order to count words, count the transitions from non-white space to white space characters. 5 main .c: dict .c: dict.h: #include <stdio.h> #include "dict.h"...

Ngày tải lên: 25/04/2013, 08:07

Ngày tải lên: 05/09/2013, 09:57

... Source =C: \NWind.mdb"); // Cast it to the IDbConnection interface IDbConnection cn = (IDbConnection)oleDbConn; // Now code against this interface cn.Open(); IDbCommand cmd = cn.CreateCommand(); ... Migration 589 InterOp 590 COM InterOp and the RCW 590 Accessing ADO from .NET 590 Whether to Access ADO from .NET 590 Accessing ADO from .NET 591 Platform Invocation Services (PInvoke) 594 ... a disconnected recordset might contain ADO 2.6 code like this (in VB 6): Dim cn As ADODB.Connection Dim rs As ADODB.Recordset Set cn = CreateObject("ADODB.Connection") cn.Open...

Ngày tải lên: 10/12/2013, 14:15

... Fortran Boolean (int) boolean logical Character char, wchar_t char character(n) Integer short int integer integer int long int FloatingPoint float real real double Complex ❖ (in C9 9) ❖ complex ❑ Size ... with C+ + ➠ Forschungszentrum Jülich Local C+ + Information ❑ Official C+ + On-line FAQ http://www.cerfnet.com/~mpcline /C+ +-FAQs-Lite/ Programming in C+ +  Dr. Bernd Mohr, FZ Jülich, ZAM Page 12 Introduction ... " ;C& quot; and include guards. Programming in C+ +  Dr. Bernd Mohr, FZ Jülich, ZAM Page 76 From C to C+ + Constants ❑ Typical C code used the C preprocessor to define symbolic constants: #define...

Ngày tải lên: 13/12/2013, 08:15

Ngày tải lên: 27/12/2013, 00:34

... connection, the callback routine is called and you can accept the connection by calling EndAccept. The EndAccept returns a socket object which represents the incoming connection. Here is the code ... m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException se) ... follows: public class CSocketPacket { public System .Net. Sockets.Socket thisSocket; public byte[] dataBuffer = new byte[1024]; } and call BeginReceive as follows: CSocketPacket theSocPkt = new CSocketPacket...

Ngày tải lên: 18/01/2014, 08:20

... project, and then click OK: a. In the Installed Templates list, under Visual C# , click Windows. b. In the center pane, click Console Application. 1-4 Programming in C# with Microsoft® .Visual ... Generic Types Lesson 1: Using Collections 12-4 Lab A: Using Collections 12-22 Lesson 2: Creating and Using Generic Types 12-28 Lesson 3: Defining Generic Interfaces and Understanding Variance ... Visual C# Code with Ruby and Python 15-4 Lesson 2: Accessing COM Components from Visual C# 15-19 Lab: Integrating Visual C# Code with Dynamic Languages and COM Components 15-36 ii Programming in...

Ngày tải lên: 24/01/2014, 19:37

... Implementing Interfaces 8-27 Lesson 3: Defining Abstract Classes 8-45 Lab: Inheriting from Classes and Implementing Interfaces 8-56 Module 9: Managing the Lifetime of Objects and Controlling Resources ... an interface? Additional Reading For more information about defining properties in an interface, see the Interface Properties (C# Programming Guide) page at http://go.microsoft.com/fwlink/?LinkId=192950. ... 13: Building and Enumerating Custom Collection Classes Lesson 1: Implementing a Custom Collection Class 13-3 Lesson 2: Adding an Enumerator to a Custom Collection Class 13-21 Lab: Building and...

Ngày tải lên: 24/01/2014, 19:43

... Statement Constructing the CRC Cards Classes Responsibilities Collaborators The Tenant CRC Card The Expense CRC Card The Rent Input Screen CRC card The Rent Record CRC Card The Expense Input Screen CRC ... Class Members A User-Defined String Type The Standard C+ + string Class Defining and Assigning string Objects Input/Output with string Objects Finding string Objects Modifying string Objects Comparing ... and Base Class Specifying the Derived Class Accessing Base Class Members The protected Access Specifier Derived Class Constructors Overriding Member Functions Which Function Is Used? Scope Resolution...

Ngày tải lên: 21/02/2014, 06:20

... of string manipulation. These include inserting and erasing, searching and replacing, com- paring, and concatenating strings. Chapter 10 describes how to write functions of your own. The basic rules ... particular characters set, although in gen- eral a character set that contains the ASCII code (American Standard Code for Informa- tion Interchange) is used. This 7-bit code contains definitions ... exami- nation of standard macros for character handling is included. Chapter 8 introduces implicit type conversions, which are performed in C+ + when- ever different arithmetic types occur in expressions....

Ngày tải lên: 05/03/2014, 17:20

... for set_color() cBLACK cDARK_BLUE cDARK_GREEN cDARK_CYAN cDARK_RED cDARK_MAGENTA cBROWN cLIGHT_GRAY cDARK_GRAY cBLUE cGREEN cCYAN cRED cMAGENTA cYELLOW cWHITE ... Programming Using Turbo C ++ , C ++ Interactive Course, and Data Structures and Algorithms in Java. Mr. Lafore holds degrees in mathematics and electrical engineering, and has been active in programming ... appear in the document window. (If you’re compiling an example program that uses Console Graphics Lite, such as the CIRCSTRC program in Chapter 5, “Functions,” or the CIRCLES program in Chapter...

Ngày tải lên: 05/03/2014, 20:20

... Control Life Cycles Revisited 540 The ASP .NET Page Life Cycle and Events in Data Controls 545 Handling Errors that Occur in the Data Source Controls 550 Hand-Coding Data Access Code 554 Caching ... of .NET 4, including .NET charting and ASP .NET charting, ASP .NET dynamic data and jQuery, and F#. The coverage is divided into six distinctive parts for easy navigation and offers a practical ... Framework 47ChaPter 14: 7 Introducing LINQ 478 LINQ to Objects 479 LINQ to XML 479 LINQ to ADO. NET 479 Introducing the ADO. NET Entity Framework 480 Mapping Your Data Model to an Object Model 481 502211ftoc.indd...

Ngày tải lên: 05/03/2014, 22:20