... 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 ... cse_dept.Connection.Close(); Application.Exit(); } public LogInForm getLogInForm() { return this; } A B SQLSelectRTObjectLINQ.LogInForm cmdCancel_Click() Figure 5.146 Codes for the Cancel...
... 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 ... 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 ... 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....
... logForm.getLogInForm(); accCommand.Connection = logForm.accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText = cmdString; accCommand.Parameters.Add("@name", OleDbType.Char).Value ... les: • AccessInsertRTObject.sln • AccessInsertRTObject.csproj • AccessInsertRTObject.exe • AccessInsertRTObject.pdb • AccessInsertRTObject.cshost.exe • AccessInsertRTObject.xml To ... the Access database and the Faculty table, right - click on the new inserted faculty record, and click on the Delete Record item to remove it. A completed project AccessInsertRTObject can...
... the modification has occurred. However, this doesn’t mean that a changecan’t be rolled back, because the trigger has direct access to the modified row andas such can roll back any modification. ... the connection23 cnnUserMan = new SqlConnection(STR_CONNECTION_STRING);24 cnnUserMan.Open();2526 // Instantiate and initialize command27 cmmUser = new SqlCommand(“SELECT * FROM viwUser”, cnnUserMan);28 ... constraint in some situations, because a trigger can access columnsin other tables, unlike a constraint, which can only access columns in the currenttable or row. If your code is to handle your business...
... password is reback). Click on the Object Browser and select the Create|Procedures item to open the Create Procedure window. Click the Create button and select the Procedure icon from the list ... string cmdString = "InsertCourse"; int intInsert = 0;OracleCommand oraCommand = new OracleCommand(); oraCommand.Connection = oraConnection; oraCommand.CommandType = CommandType.StoredProcedure; ... 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 to complete...
... CommandType.StoredProcedure; accCommand.CommandText = cmdString; accCommand.Parameters.Add("FacultyName", OleDbType.Char).Value = ComboName.Text; intDelete = accCommand.ExecuteNonQuery(); accCommand.Dispose(); ... DBProjects\Chapter 7 located at the accompanying ftp site (see Chapter 1 ). Course Table course_id StudentCourse Table course_id course_id=CSC-132Bcourse_id=CSC-234A course_id=CSE-434 course_id=CSE-438 ... nish this project. 1. Modify the existing project to access the Microsoft Access database. 2. Create stored procedures in the Microsoft Access database. 3. Call the stored procedure to update...
... ConfigurationManager.ConnectionStrings["sql_conn"].ConnectionString; SqlConnection sqlConnection = new SqlConnection(); sqlConnection.ConnectionString = cmdString; sqlConnection.Open(); if (sqlConnection.State ... protected SqlConnection SQLConn() { string cmdString = ConfigurationManager.ConnectionStrings["sql_conn"].ConnectionString; SqlConnection conn = new SqlConnection(); conn.ConnectionString ... a ConnectionStringSettingsCollection object containing the contents of the ConnectionStringsSection object for the current application ’ s default confi guration, and a ConnectionStringsSection...
... DBProjects\Chapter 9 located at the accompanying ftp site (see Chapter 1 ), and select the Web Service project WebServiceSQLInsert. Copy this project and paste it into our new folder C: \Chapter ... string cmdString = "SELECT Course.course_id FROM Course JOIN Faculty " + "ON (Course.faculty_id LIKE Faculty.faculty_id) AND (Faculty.faculty_name LIKE @name)"; SqlConnection ... associated data objects such as Connection object, Command text, and Command type. Note that the Command type must be set to the StoredProcedure since this method will call a stored procedure,...
... OracleConnection OracleConn() { string cmdString = ConfigurationManager.ConnectionStrings["ora_conn"].ConnectionString; OracleConnection conn = new OracleConnection(); conn.ConnectionString ... [WebMethod]public OracleInsertBase GetOracleInsertCourse(string CourseID) { string cmdString = "WebSelectCourseSP.SelectCourse"; OracleConnection oraConnection = new OracleConnection(); OracleInsertBase ... Web Service to access an SQL Server database or to access an Oracle database. For example, you can use any client projects, such as either WinClientSQLSelect or WebClientSQLSelect, which we developed...