earn concurrent programming with c 40

... the modification has occurred. However, this doesn’t mean that a change can’t be rolled back, because the trigger has direct access to the modified row and as such can roll back any modification. ... the connection 23 cnnUserMan = new SqlConnection(STR_CONNECTION_STRING); 24 cnnUserMan.Open(); 25 26 // Instantiate and initialize command 27 cmmUser = new SqlCommand(“SELECT * FROM viwUser”, cnnUserMan); 28 ... constraint in some situations, because a trigger can access columns in other tables, unlike a constraint, which can only access columns in the current table or row. If your code is to handle your business...

Ngày tải lên: 27/10/2013, 07:15

... basic concepts and terminology of object-oriented programming.  Use common objects and references types.  Create, initialize, and destroy objects in a C# application.  Build new C# classes ... sample. xii Programming with C# Trainer Materials Compact Disc Contents The Trainer Materials compact disc contains the following files and folders:  Autorun.exe. When the CD is inserted ... section provides you with a brief description of the course, audience, suggested prerequisites, and course objectives. Description This five-day instructor-led course provides students with...

Ngày tải lên: 21/12/2013, 06:16

... YOUR OWN CLASSES CHAPTER 9: DESIGNING CLASSES 227 Class Design 228 Scope 230 Block Scope 231 Local Scope 232 Class Scope 232 Namespace Scope 233 Visualizing Scope 233 Why Does C# Support Scope? ... from which you can select to view the source code for the fi le you just right-clicked. You can move to the Solution Explorer menu bar and click the source code icon to view the code that ... Studio” section of this chapter to check each step to ensure you followed the correct sequence. SUMMARY In this chapter you learned how object-oriented programming started more than four decades...

Ngày tải lên: 15/02/2014, 07:20

... Classes Object Oriented Programming with C+ +/ Session 1/ 19 of 50 Method (Contd.) • The black box actually contains code (sequences of computer instructions) and data (information which ... with C+ +/ Session 1/ 3 of 50 Session Objectives (Contd.) • Methods • Abstraction • Inheritance • Encapsulation • Polymorphism ■ Compare Classes with Structures ■ Describe Private and Public sections ... interface to the object. Object Oriented Programming with C+ +/ Session 1/ 37 of 50 Using the class begin program class exampleclass{ // specify a class private: object_data is an integer; // class...

Ngày tải lên: 16/03/2014, 01:20

... private: static int count: int car_number; char name[30]; public: race_cars(){count++;} //constructor to increment count ~race_cars(){count ;} //destructor to decrement count }; int race_cars::count;  The ... //error Object Oriented Programming with C+ +/ Session 2/ 29 of 37 The count is common Count: 3 cars in the race Object Oriented Programming with C+ +/ Session 2/ 28 of 37 Example class race_cars{ ... as a private category of the class, the non-member functions cannot access it.  If it is declared as public, then any member of the class can access.  Static member can become a global...

Ngày tải lên: 16/03/2014, 01:20

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Ngày tải lên: 01/04/2014, 00:20

... OleDbCommand accCommand = new OleDbCommand(); SelectionForm selForm = new SelectionForm(); OleDbDataReader accDataReader; accCommand.Connection = accConnection; accCommand.CommandType = CommandType.Text; ... "Data Source =C: \\database\\Access\\CSE_DEPT.accdb;"; accConnection = new OleDbConnection(strConnectionString); try { accConnection.Open(); } catch (OleDbException e) { MessageBox.Show("Access ... DataTable accDataTable = new DataTable(); OleDbCommand accCommand = new OleDbCommand(); SelectionForm selForm = new SelectionForm(); accCommand.Connection = accConnection; accCommand.CommandType...

Ngày tải lên: 17/10/2013, 19:15

... string.Empty; DataRow rowFaculty; accCmdFaculty.Connection = logForm.accConnection; accCmdFaculty.CommandType = CommandType.Text; accCmdFaculty.CommandText = strFaculty; accCmdFaculty.Parameters.Add("@Param1", ... MTC-336 J33486 Steve Johnson MTC-118 K69880 Jenney King MTC-324 course_id faculty_id classroom CSC-131A A52990 TC-109 CSC-13 1C A52990 TC-109 CSC-132A J33486 TC-303 CSC-132B B78880 TC-302 CSC-230 ... OleDbType.Char).Value = ComboName.Text; FacultyDataAdapter.SelectCommand = accCmdFaculty; FacultyDataAdapter.Fill(accFacultyTable); if (accFacultyTable.Rows.Count > 0) { rowFaculty = accFacultyTable.Rows[0];...

Ngày tải lên: 20/10/2013, 11:15

... oraDataReader.Close(); } A B C D OracleSelectRTObject.LogInForm cmdReadLogIn_Click() Figure 5.164 Coding for the ReadLogIn button Click method. private void cmdCancel_Click(object sender, ... namespace System.Data.SqlClient to the namespace declaration section on this SP form code window. The only difference is the codes for the Select button Click method, cmdSelect_Click(). Don ’ t copy ... derived class CSE_DEPTDataContext is created with the fi rst constructor. A trick here is that no connection string is included in this connection object. Yes, but where is the connection string?...

Ngày tải lên: 20/10/2013, 11:15

... "FacultyCourse"; paramFacultyCourse.OracleType = OracleType.Cursor; paramFacultyCourse.Direction = ParameterDirection.Output; oraCommand.Connection = logForm.oraConnection; oraCommand.CommandType ... data queries on Microsoft Access 2007, SQL Server 2005, and Oracle databases. • Use the OleDbConnection, SqlConnection, or OracleConnection class to connect to Microsoft Access 2007, SQL Server ... Query with Visual C# .NET • Use the OleDbConnection, SqlConnection, and OracleConnection class to dynamically connect to Microsoft Access 2007, SQL Server 2005 Express, and Oracle 10g XE databases....

Ngày tải lên: 24/10/2013, 09:15