C sharp database programming

... results from an Access database. Listing 1.2: OLEDBCONNECTIONACCESS.CS /* OleDbConnectionAccess.cs illustrates how to use an OleDbConnection object to connect to an Access database 24 */ using ... namespace in Chapter 5, "Overview of the ADO. NET Classes." Connecting to an Access Database You connect to an Access database using an OleDbConnection object-rather than a Sql...

Ngày tải lên: 14/03/2014, 17:40

... returned results from an Access database. Listing 1.2: OLEDBCONNECTIONACCESS.CS /* OleDbConnectionAccess.cs illustrates how to use an OleDbConnection object to connect to an Access database */ using ... Connecting to Access and Oracle Databases Connecting to Access and Oracle Databases In this section you'll see examples of connecting to both an Access and an Oracle database. To int...

Ngày tải lên: 14/03/2014, 20:20

... accCommand.Connection = logForm.accConnection; accCommand.CommandType = CommandType.Text; accCommand.CommandText = cmdString; accCommand.Parameters.Add("@Param1", OleDbType.Char).Value ... (logForm.accConnection.State == ConnectionState.Open) logForm.accConnection.Close(); logForm.Close(); courseForm.Close(); facultyForm.Close(); studentForm.Close(); Application.Exi...

Ngày tải lên: 17/10/2013, 19:15

... 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 ... to access the LogInForm from other objects or methods defi ned in this project to use the global connection sqlConnection object to access the database. private void cmdCancel_Click(object se...

Ngày tải lên: 20/10/2013, 11:15

... 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 ... } A B C D E F G H I J K L M N O P Q OracleS electRTObject.FacultyForm cmdSelect_Click() Figure 5.168 Coding for the Select button Click method. c0 5.indd 41 5c0 5....

Ngày tải lên: 20/10/2013, 11:15

... private void cmdInsert_Click(object sender, EventArgs e) { int check = 0, intInsert = 0; CSE_DEPTDataSet.FacultyRow newFacultyRow; CreateFacultyCollection(); check = CheckFacultyCollection(); ... InsertWizard_Project.InsertFacultyForm CreateFacultyCollection() Figure 6.4 Coding for the CreateFacultyCollection() method. private int CheckFacultyCollection() { int check = 0; fo...

Ngày tải lên: 24/10/2013, 09:15

... inserted faculty record, and click on the Delete Record item to remove it. A completed project AccessInsertRTObject can be found at the folder DBProjects\ Chapter 6 located at the accompanying ... B. Change the fi eld - level Connection object ’ s type to OracleConnection and the object ’ s name to oraConnection. The accessing mode for this object is Public since we need to use this C...

Ngày tải lên: 24/10/2013, 09:15

... when running. DBCC statements are T-SQL enhancements and as such must be run as SQL scripts. Here is one example of a DBCC statement: DBCC CHECKDB This DBCC statement is used for checking the structural ... Checker (DBCC) is used for checking the logic as well as the consistency of your databases using T-SQL DBCC statements. Further- more, many of the DBCC statements can also fix the problems...

Ngày tải lên: 27/10/2013, 07:15

... in Chapter 2 , and it is located at the folder Database\ Access located at the ftp://ftp.wiley.com/public/sci_tech_med/practical _database site. You can use any other databases such as Microsoft ... check = CheckCourseInfo(); if (check == 0) { logForm = logForm.getLogInForm(); oraCommand.Connection = logForm.oraConnection; oraCommand.CommandType = CommandType.StoredProcedure; oraC...

Ngày tải lên: 28/10/2013, 16:15

... OleDbCommand accCommand = new OleDbCommand(); int intUpdate = 0; accCommand.Connection = logForm.accConnection; accCommand.CommandType = CommandType.StoredProcedure; accCommand.CommandText ... DBProjects\Chapter 7 located at the accompanying ftp site (see Chapter 1 ). Course Table course_id StudentCourse Table course_id course_id=CSC-132B course_id=CSC-234A course_id=CSE-434...

Ngày tải lên: 28/10/2013, 16:15