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• C # 2015&2017 video tutorial

• C #, like VB.net, is an integral part of Visual Studio and one of the most widely used and powerful development languages. Needless to say, its powerful function is easy to learn and use, especially suitable for beginners of programming. This site is an unlimited upgrade version of the tutorial, which means that new tutorials will be developed from time to time for old students. (If a new version of the development tool is released, the upgrade tutorial will be recorded with the latest version of the development tool)

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• Chapter 1 Basic Knowledge of Visual C #
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• 01-01 Introduction to C # 2015
• 01-02 Syntax of C #
• 01-03 Variable

• 01-04 Naming of variables, variable types and constants
• 01-05 Properties, Events and Methods
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• Chapter 2 Operators and Expressions
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• 02-01 Operators and Expressions
• 02-02 String concatenation operator
• 02-03 Assignment Operator

• 02-04 Boolean comparison operator
• 02-05 Boolean operator 1
• 02-06 Boolean operator 2

• 02-07 Bitwise Operator
• 02-08 Triple Operator
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• Chapter III Preliminary Process Control Statements
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• 03-01 goto statement
• 03-02 if statement
• 03-03 switch statement

• 03-04 while statement
• 03-05 do statement
• 03-06 Interruption of for statement and loop statement

• 03-07 Array 1
• 03-08 Array 2
• 03-09 Console Application

• 03-10 Console output
• 03-11 Console input
• 03-11 Console Instance

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• Chapter 4 Common Controls
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• 04-01 Control Introduction
• 04-02 Text Box Control
• 04-03 Text Box Control 2

• 04-04 Text Box Control 3
• 04-05 label 1
• 04-06 label 2

• 04-07 Check Box Control
• 8 Check box control 2
• 9 CheckedListBox control

• 10 CheckedListBox control 2
• 11 ListBox control
• 12 ListBox control 2

• 13 RadioButton control and GroupBox control
• 14 dateTimePicker control
• 15 dateTimePicker control 2

• 16 linkLabel control
• 17 linkLabel control 2
• 18 MaskedTextBoxr control

• 19 MonthCalendar Control
• 20 notifyIcon control
• 21 numericUpDown control

• 22 PictureBox control
• 23 PictureBox control 2

• Chapter V Classes and Objects

• 1 Var type in C #
• 2 Inheritance and polymorphism
• 3 Data type

• 4 Structure type
• 5 Enumeration type
• 6 Reference type

• 7 Type conversion
• 8 Namespace of C #
• 9 Namespace of C # 2

• 10 Using statement
• 11 C # declaration class
• 12 Inheritance

• Class 13 declaration
• 14 Constant
• 15 Field

• 16 Field 2
• 17 Method and Scope
• 18 Scope

• 19 Method parameters
• 20 Method parameter 2
• 21 Method parameter 3

• 22 Constructor and destructor
• 23 External methods
• 24 Heavy load method

• 25 Indexer
• 26 Indexer 2
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• Chapter VI Inheritance and Polymorphism

• 1 Inheritance
• 2 Base keyword
• 3 New keyword

• 4 Virtual keyword
• 5 Abstract class
• 6 Abstract Attributes

• 7 Sealed keyword
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• Chapter VII Interface

• 1 What is an interface
• 2 Implementation of interface
• 3 Definition of interface

• 4 Interface members
• 5 Full name of interface
• 6 Ambiguity of interface

• 7 Abstract classes and interfaces
• 8 Polymorphism
• 9 Interface mapping

• 10 Members with the same name of multiple products
• 11 Interface of implied member
• 12 Members of the base class participate in interface mapping

• Chapter VIII Entrustment

• 1 What is entrustment
• 2 Statement of entrustment
• 3 Statement of entrustment 2

• 4 Multicast delegation
• 5 Multicast Delegation 2
• 6 Covariance

• 7 Covariance 2
• 8 Inverter
• 9 Inverter 2

• 10 Lambda expression
• 11 Events
• 12Event 2

• 13 Event 3
• 14 Events 4
• 15 Events 5

• 16 Interface events
• 17 Interface event 2
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• Chapter 9 Arrays and Sets

• 1 What is an array
• 2. Creation of arrays
• 3 Declare multidimensional array

• 4 Declare multiple arrays 2
• 5 Declare interleaved array
• 6 Dynamic array

• 7 CreateInstance method
• 8 CreateInstance method 2
• 9 CreateInstance method 3

• 10 Sorting of arrays
• 11 Array search BinarySearch
• 12 Array search IndexOf

• 13 Array search LastIndexOf
• 14 Inverted array
• 15 Copy Array

• 16 Copy array 2
• 17 Non generic collections
• 18 ArrayList set of non generic set

• 19 ArrayList set of non generic set 2
• 20 ArrayList set of non generic set 3
• 21 ArrayList set of non generic set4

• 22 ArrayList set of non generic set 5
• 23 ArrayList set of non generic set6
• 24 ArrayList set of non generic set 7

• 25 ArrayList set of non generic set 8
• 26 ArrayList set of non generic set 9
• 27 Queue class of non generic collection

• 28 Queue class of non generic collection 2
• 29 Stack class of non generic set
• 30 Stack class of non generic set 2

• 31 Stack class of non generic set 3
• 32 Hashtable class of non generic collection
• 33 Hashtable class of non generic collection 2

• 34 Hashtable class of non generic collection 3
• 35 Hashtable class of non generic collection 4
• 36 SortedList class of non generic collection

• 37 SortedList class of non generic collection 2
• 38 SortedList class of non generic collection 3
• 39 SortedList class of non generic collection 4

• Chapter 10 Generics

• 1 Generic Collection
• 2 Definition of generics
• 3 Definition of generics 2

• 4 Definition of generics 3
• 5 Characteristics of generic types
• 6 Base class constraint of generic constraint

• 7 Interface constraints of generic constraints
• 8 Constructor constraint of generic constraint
• 9 Multiple constraints of generic constraints

• 10 Reference type constraint of generic constraint
• 11 Value type constraint of generic constraint
• 12 Naked type constraint of generic constraint

• 13 Operation of multiple generic parameters
• 14 System generic class List class
• 15 System generic class List class 2

• 16 System generic class List class 3
• 17 System generic class List class 4
• 18 System generic class List class 5

• 19 System generic class List class 6
• 20 System generic class List class 7
• 21 System generic class List class 8

• 22 System generic class List class 9
• 23 System generic class List class 10
• 24 System generic class List class 11

• 25 System generic class Dictionary class
• 26 System generic class Dictionary class 2
• 27 System generic class Dictionary class 3

• 28 System generic class Dictionary class 4
• 29 System generic class Dictionary class 5
• 30 System generic class SortedDictionary class

• 31 System generic class SortedDictionary class 2
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• Chapter XI I/O Operation

• 1 Input and output of documents
• 2 File class
• 3 File class 2

• 4 File class 3
• 5 File class 4
• 6 File class 5

• 7 File class 6
• 8 FileInfo class
• 9 FileInfo class 2

• 10 FileInfo class 3
• 11 FileInfo class4
• 12 FileInfo class5

• 13 FileStream class
• 14 FileStream class 2
• 15 FileStream class 3

• 16 FileStream class4
• 17 FileStream class5
• 18 StreamWriter class

• 19 StreamWriter class 2
• 20 StreamWriter class 3
• 21 StreamReader class

• 22 BinaryWriter class
• 23 BinaryWriter class 2
• 24 BinaryReader class

• 25 AppendText method
• 26 AppendText method 2
• 27 Open method

• 28 Open method 2
• 29 OpenRead method
• 30 AppendText method of FileInfo class

• 31 OpenWrite method of FileInfo class
• 32 OpenRead method of FileInfo class
• 33 Directory class

• 34 Directory Class 2
• 35 Directory Class 3
• 36 Directory Class 4

• 37 Directory Class 5
• 38 Directory Class 6
• 39 Directory Class 7

• 40 Directory Class 8
• 41 Directory Class 9
• 42 Directory class 10

• 43 DirectoryInfo class
• 44 DirectoryInfo class 2
• 45 DirectoryInfo class 3

• 46 DirectoryInfo class4
• 47 DirectoryInfo class 5
• 48 Path class

• 49 Path class 2
• 50 Path class 3
• 51 Path class 4

• 52 Path class 5
• 53 DriveInfo
• 54 DriveInfo (2)

• 55 Drive information class DriveInfo (3)
• 56 DriveInfo (4)
• 57 File System Monitor

• 58 File System Monitor 2
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• Chapter 12 String and Regular Expression

• 1 c # Tutorial - Introduction to String
• 2 c # Tutorial - Common Methods of String Class 1
• 3 c # Tutorial - Common Methods of String Class 2

• 4 c # Tutorial - Common Methods of String Class 3
• 5 c # Tutorial - Common Methods of String Class 4
• 6 c # Tutorial - Common Methods of String Class 5

• 7 c # Tutorial - Common Methods of String Class 6
• 8 c # Tutorial - Common Methods of String Class 7
• 9 c # Tutorial - Common Methods of String Class 8

• 10 c # Tutorial - Common Methods of String Class 9
• 11 c # Tutorial - Common Methods of String Class 10
• 12 c # Tutorial - Common Methods of String Class 11

• 13 c # Tutorial - Common Methods of String Class 12
• 14 c # Tutorial - Common Methods of String Class 13
• 15 c # Tutorial - Common Methods of String Class 14

• 16 c # Tutorial - Common Methods of String Class 15
• 17 c # Tutorial - Common Methods of String Class 16
• 18 c # Tutorial - Common Methods of String Class 17

• 19 c # Tutorial - Common Methods of String Class 19
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• Chapter XIII Program Debugging

• 1 Introduction to program debugging method
• 2 Debugging shortcut key
• 3 Setting of breakpoint 1

• 4 Setting of breakpoints 2
• 5 Use of Output Window and Debug 1
• 6 Use of Debug2

• 7 Use of try catch finally
• 8 Trow statement
• 9 Abnormal test

• Chapter 14 Database Programming

• 1 Database programming
• 2 Explanation of database connection string
• 3 Detailed explanation of three-tier architecture

• 4 Database connection object
• 5 Database connection object 2
• 6 Modify the database after opening the database connection

• 7 Command object
• 8 Database connection operation
• 9 Database command

• 10 How to read CommandText property
• 11 Common methods of Command class
• 12 Common Methods of DataReader

• 13 Data adapter
• 14 Data adapter 2
• 15 Data adapter instance 1

• 16 Data adapter instance 2
• 17 Data adapter instance 3
• 18 DataSet operation

• 19 DataSet operation 2
• 20 Database (DataSet) operation 3
• 21 Database (DataSet) operation 4

• 22 DataSet Operation 5
• 23 DataRow object
• 24 SqlDataAdapter object

• 25 SqlDataAdapter object 2
• 26 Example 1 of adding data records
• 27 Example 2 of adding data records

• 28 Data record adding instance 3
• 29 Modifying Record Instances
• 30 Modify Record Example 2

• 31 Delete Record Instance
• 32 Delete Record Instance 2
• 33 Finding Record Instances

• Chapter 15 Other Database Programming (Access)

• 1 Access database programming1
• 2 Access database programming2
• 3 Access database programming3

• 4 Access database programming4
• 5 Access database programming5
• 6 Access database programming6

• Chapter 16 C # 2017 Develop Purchase, Sales and Inventory Software in Combination with SQL Server 2016 (Three tier Architecture Mode)

• 1 Software development and design ideas
• 2 Create database tables
• 3 Create project

• 4 Create inventory commodity class
• 5 Create a transaction company class
• 6 Design App.config

• 7 Design DAL layer
• 8 Create Update Function
• 9 Create Write Log Function

• 10 Create getRecord function
• 11 Interface design
• 12 Interface design 2

• 13 Interface Design 3
• 14 Administrator design
• 15 Administrator Design 2

• 16 Add Administrator Function
• 17 Add administrator module
• 18 Managing Users

• 19 GetAllAdmin function
• 20 Display administrator
• 21 Modification administrator

• 22 Modify administrator 2
• 23 Delete administrator
• 24 Login

• 25 Login 2
• 26 Login 3
• 27 Modify administrator password

• 28 Basic Information of Employees
• 29 Add Employee
• 30 Add Employee 2

• 31 Modify Employee
• 32 Modify Employee 2
• 33 Get the warehouse list

• 34 Get warehouse list 2
• 35 Add Warehouse
• 36 Modify Warehouse

• 37 Delete Warehouse
• 38 Get the list of goods
• 39 Add commodity

• 40 Modify commodity
• 41 Delete item
• 42 Getting a list of bank accounts

• 43 Add bank account
• 44 Modify bank account
• 45 Delete bank account

• 46 Get the list of contact companies
• 47 Add contact unit
• 48 Modify Contact Company

• 49 Delete Contact Company
• 50 Purchase Order
• 51 Purchase Order 2

• 52 Purchase Order 3
• 53 Purchase Order 4
• 54 Purchase Order 5

• 55 Purchase Order 6
• 56 Purchase Order 7
• 57 Purchase Order 8

• 58 Financial Query
• 59 A/R A/P Processing
• 60 Update of A/R and A/P

• 61 Add basic information of A/R and A/P table
• 62 Return of purchased goods
• 63 Purchase return 2

• 64 Purchase return 3
• 65 Management operation
• 66 Form layer operation

• C # 2015&2017 video tutorial
• 01-01 C # Tutorial Introduction to C # 2015
• 01-03 c # Tutorial Variables
• 01-02 C # Tutorial C # Syntax
• 04-05 C # tutorial label 1

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• C # Tutorial