database programming in visual c net using ado net

Ngày tải lên: 03/07/2014, 11:20

... Microsoft Access database, but we can set up an indirect relationship between them using the LINQ to ADO .NET since ADO .NET covers any kinds of database including the Microsoft Access 2007. In ... OleDbCommand(); SelectionForm selForm = new SelectionForm(); OleDbDataReader accDataReader; accCommand.Connection = accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText ... CSE_DEPT.accdb and located at C: \database\ Access directory. B. By using the keyword new , we create a new instance of the connection class OleDbConnection with the connection string we built in...

Ngày tải lên: 17/10/2013, 19:15

... MessageBox.Show("No matched faculty_id found!"); } accCmdCourse.Connection = logForm.accConnection; accCmdCourse.CommandType = CommandType.Text; accCmdCourse.CommandText = strCourse; accCmdCourse.Parameters.Add("@Param2", ... 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 A77587 TC-301 CSC-232B A77587 TC-303 CSC-233A ... using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Data.OleDb; using System.Drawing; using System.Linq; using System.Text; using...

Ngày tải lên: 20/10/2013, 11:15

... the codes shown in Figure 5.162 into this constructor. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Data.OracleClient; using ... 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, ... System.Data; using System.Data.Linq; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace SQLSelectRTObjectLINQ { public partial class FacultyForm...

Ngày tải lên: 20/10/2013, 11:15

... the source fi le for each class such as LogIn.cs, Grid.cs, Faculty.cs, Cource.cs, Selection.cs, and Student.cs by opening the Code Window of each form; then change the namespace to SQLInsertWizard. ... Microsoft Access 2007 database, CSE_DEPT.accdb, which was developed in Chapter 2 and is located in the folder Database\ Access located at the accompanying site: ftp://ftp.wiley.com/public/sci_tech_med/practical _database ... Button cmdInsert True Insert 6 Button cmdSelect True Select 7 Button cmdCancel True Cancel 8 Button cmdBack True Back 9 PictureBox PhotoBox True Form InsertFacultyForm True CSE_DEPT Insert Faculty...

Ngày tải lên: 24/10/2013, 09:15

... AccessInsertRTObject.sln ã AccessInsertRTObject.csproj ã AccessInsertRTObject.exe ã AccessInsertRTObject.pdb ã AccessInsertRTObject.cshost.exe ã AccessInsertRTObject.xml To rename ... LogInForm logForm = new LogInForm(); logForm = logForm.getLogInForm(); accCommand.Connection = logForm.accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText = cmdString; ... following Window Form object fi les and change the namespace from SQLInsertRTObject to AccessInsertRTObject: ã LogIn Form.cs ã Selection.cs • Faculty Form.cs • Course Form.cs • Insert Faculty...

Ngày tải lên: 24/10/2013, 09:15

... the actual data type of the objects stored in the sequence. LINQ is composed of three major components: LINQ to Objects, LINQ to ADO. NET, and LINQ to XML. Where LINQ to ADO .NET contains LINQ ... develop a piece of code in Visual C# .NET to call this stored procedure to insert a new data into the database. 2. Figure 6.89 shows a piece of code developed in Visual C# .NET, and this coding is ... by using the project AccessInsertRTObject (the project fi le is located at the folder DBProjects\Chapter 6 located at the accompanying ftp site (see Chapter 1 ). 5. Using the stored procedure...

Ngày tải lên: 28/10/2013, 16:15

... accCommand.Connection = logForm.accConnection; accCommand.CommandType = CommandType.StoredProcedure; accCommand.CommandText = cmdString; accCommand.Parameters.Add("FacultyName", ... inCollege IN VARCHAR2, inTitle IN VARCHAR2, inEmail IN VARCHAR2, FacultyName IN VARCHAR2) AS begin UPDATE Faculty SET faculty_name=inName, office=inOffice, phone=inPhone, college=inCollege, ... the codes that are shown below under the code body of the stored procedure: create or replace PROCEDURE UpdateFaculty_SP (inName IN VARCHAR2, inOffice IN VARCHAR2, inPhone IN CHAR, inCollege...

Ngày tải lên: 28/10/2013, 16:15

... Response.Write("<script>window.close()</script>"); } A B _Default cmdCancel_Click() Figure 8.9 Coding for the Cancel button ’ s Click method. protected void cmdLogIn_Click(object sender, ... develop a piece of code in Visual C# .NET to call this stored procedure to update a record in the database. 2. A piece of code developed in Visual C# .NET is shown in Figure 7.49 . This coding is ... database connection is available. Since we created a class - level con- nection instance in the LogIn page and stored it in the Application state, now we need to check this connection object and reconnect...

Ngày tải lên: 07/11/2013, 11:15

... need to indicate the special connection string for this object. Some initialization coding includes retrieving all updated faculty members from the Faculty table in our sample database using the ... new faculty record has been inserted into the database. The protected void cmdInsert_Click(object sender, EventArgs e) { string cmdString = "INSERT INTO Faculty (faculty_id, faculty_name, ... database operations are: 1. Connection string and Connection object in the LogIn page 2. LogIn query string in the LogIn page 3. Query string in the Faculty page 4. Query strings in the Course...

Ngày tải lên: 07/11/2013, 11:15

... a ConnectionStringSettingsCollection object containing the contents of the ConnectionStringsSection object for the current application ’ s default confi guration, and a ConnectionStringsSection ... function called SQLConn() later when we develop our real project. using System; using System.Linq; using System.Web; using System.Web.Services; using System.Web.Services.Protocols; using ... ConnectionStringsSection object contains the contents of the confi guration fi le ’ s con- nectionStrings section. C. A new SQL Connection object is created and initialized with the connection string we obtained above....

Ngày tải lên: 07/11/2013, 11:15

... [WebMethod] public DataSet SQLInsertDataSet(string FacultyName, string CourseID, string Course, string Schedule, string Classroom, int Credit, int Enroll) { string cmdString = "INSERT INTO Course ... [WebMethod] public SQLBase SQLUpdateSP(string FacultyName, string CourseID, string Course, string Schedule, string Classroom, int Credit, int Enroll) { string cmdString = "dbo.WebUpdateCourseSP"; ... Service, we prefer to return an object that contains the information indicating whether this Web Service is executed successfully or not. E. A local integer variable intInsert is declared,...

Ngày tải lên: 14/12/2013, 15:15

... GetOracleInsertCourse(string CourseID) { string cmdString = "WebSelectCourseSP.SelectCourse"; OracleConnection oraConnection = new OracleConnection(); OracleInsertBase GetOracleResult ... ConfigurationManager.ConnectionStrings["ora_conn"].ConnectionString; OracleConnection conn = new OracleConnection(); conn.ConnectionString = cmdString; conn.Open(); if (conn.State != ... Schedule, string Classroom, int Credit, int Enroll) { string cmdString = "InsertFacultyCourse"; OracleConnection oraConnection = new OracleConnection(); OracleInsertBase SetOracleResult...

Ngày tải lên: 14/12/2013, 15:15

... [WebMethod] public Oracle Base Get Oracle CourseDetail(string CourseID) { string cmdString = " WebSelectCourseSP.SelectCourse "; Oracle Connection ora Connection = new Oracle Connection(); ... public Oracle Base Oracle UpdateSP(string FacultyName, string CourseID, string Course, string Schedule, string Classroom, int Credit, int Enroll) { string cmdString = " UpdateCourse_SP "; Oracle Connection ora Connection ... procedure UpdateCourseSP to perform the course updating function. protected OracleConnection OracleConn() { string cmdString = ConfigurationManager.ConnectionStrings["ora_conn"].ConnectionString;...

Ngày tải lên: 14/12/2013, 15:15

... www. wiley.com. Library of Congress Cataloging -in- Publication Data: Bai, Ying, 1956– Practical database programming with Visual C# .NET / Ying Bai. p. cm. Includes index. ISBN 978-0-470-46727-5 (cloth) ... Johnson MTC-118 K69880 Jenney King MTC-324 course_id course faculty_id CSC-132A Introduction to Programming J33486 CSC-132B Introduction to Programming B78880 CSC-230 Algorithms & Structures ... Microsoft Access, SQL Server, and Oracle. The topics discussed in this chapter include: Practical Database Programming With Visual C# .NET, by Ying Bai Copyright â 2010 the Institute of Electrical and...

Ngày tải lên: 26/01/2014, 08:20

... the architecture of the ADO .NET. 3.3 ARCHITECTURE OF ADO . NET 2.0 The ADO .NET 2.0 architecture can be divided into two logical pieces: command execu- tion and caching. Command execution ... can create a global connection instance for your entire project or you can create some local connection objects for each of your form windows. Generally a global instance is a good choice since ... the Columns collection, which contains a set of data columns or DataColumn objects. The Rows collection contains all data rows in the data table and the Columns col- lection contains the actual...

Ngày tải lên: 26/01/2014, 08:20

Ngày tải lên: 26/01/2014, 08:20

Ngày tải lên: 26/01/2014, 08:20

Ngày tải lên: 26/01/2014, 08:20

Ngày tải lên: 13/08/2014, 08:20