Tài liệu Connecting to a Password-Protected Access Database ppt

... user and group information for the secured database while the actual permissions are stored in the database file. When you connect to a secured Jet database, the user ID and password are validated ... Team LiB ] [ Team LiB ] Recipe 1.4 Connecting to a Secured Access Database Problem You want to connect to a Microsoft Access database that has been secu...

Ngày tải lên: 24/12/2013, 05:15

... access, and modify data stored in an Excel workbook. The sample code contains two event handlers: Form.Load Creates an OleDbDataAdapter that uses the Jet OLE DB provider to access an Excel ... 1-2 . Example 1-2. File: ExcelForm.cs // Namespaces, Variables, and Constants using System; using System.Configuration; using System.Data; private OleDbDataAdapter da; private DataTab...

Ngày tải lên: 14/12/2013, 18:16

... [ Team LiB ] Recipe 1.3 Connecting to a Password-Protected Access Database Problem You want to connect to a Microsoft Access database that has a database password. Solution ... result.ToString( ); } Discussion A Microsoft Access database password requires that users enter a password to obtain access to the database and database objects. Thi...

Ngày tải lên: 24/12/2013, 05:15

... need to understand what a SQL Server or MSDE named instance is and how to connect to one. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection to ... [ Team LiB ] Recipe 1.7 Connecting to a Named Instance of SQL Server or Microsoft Data Engine (MSDE) Problem You want to connect to a named instance of a SQL...

Ngày tải lên: 14/12/2013, 18:16

... provider can read records from and insert records into a text file data source. The Jet database engine can access other database file formats through Indexed Sequential Access Method (ISAM) drivers ... [ Team LiB ] Recipe 1.19 Connecting to a Text File Problem You want to use ADO.NET to access data stored in a text file. Solution Use the OLE DB Jet provider...

Ngày tải lên: 24/12/2013, 05:15

... provider to access data exposed through an ODBC driver. The sample code contains a single event handler: Connect Button.Click Creates an OdbcDataAdapter and uses it to fill a DataTable with the Category ... System.EventArgs e) { // Create the DataAdapter. String sqlSelect = "SELECT CategoryID, CategoryName, Description " + "FROM Categories"; OdbcDataA...

Ngày tải lên: 24/12/2013, 05:15

... [ Team LiB ] Recipe 10.14 Listing Tables in an Access Database Problem You need a list of all tables in your Access database. Solution Use the GetOLEDBSchemaTable( ) method ... ConfigurationSettings.AppSettings["MsAccess_ConnectString"]); conn.Open( ); // Retrieve schema information for all tables. DataTable schemaTable = conn.GetOleDbSchemaTable(OleDbSchemaGuid...

Ngày tải lên: 26/01/2014, 10:20

... Connecting to Access and Oracle Databases In this section you'll see examples of connecting to both an Access and an Oracle database. To interact with either of these databases in ... default for accessing one of the example databases that comes with Oracle. This database contains a table called emp that contains sample employee data. Assuming the System.Data.OleDb...

Ngày tải lên: 24/12/2013, 01:17

... Team LiB ] Recipe 1.9 Connecting to an Oracle Database Problem You want to connect to an Oracle database. Solution You can connect to an Oracle database using either the Oracle .NET data ... configuration file named TNSNAMES.ORA to locate the Oracle database and determine how to connect to it based on the Data Source or Database attribute in the connection str...

Ngày tải lên: 24/12/2013, 05:15

... Button.Click Allows the user to specify the filename for the new Access database and then calls the CreateAccessDatabase( ) method in the sample to create the database. CreateAccessDatabase( ... [ Team LiB ] Recipe 10.6 Creating a New Access Database Problem You need to create a new Microsoft Access database. Solution Use ActiveX Database Objects Extensions...

Ngày tải lên: 24/12/2013, 05:15