Tài liệu Connecting to a Microsoft Excel Workbook ppt

... DataReader to retrieve data from an Excel workbook. Create a SQL SELECT statement referencing a worksheet or a range in an Excel workbook and execute the statement to fill a DataSet using a ... using a DataAdapter or to create a DataReader. For example: SELECT * FROM [MySheet$] Update data The UPDATE command, either static or parameterized, can update data in...

Ngày tải lên: 14/12/2013, 18:16

... 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 secured with user-level security and ... database. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection to a Microsoft Access database secured with user- level s...

Ngày tải lên: 24/12/2013, 05:15

... ConfigurationSettings.AppSettings["Sql_Msde_ConnectString"]); Manager and Query Analyzer are also shared. The System.Data.SqlClient class cannot automatically discover the port number of a named instance of SQL Server listening on a port other than ... [ Team LiB ] Recipe 1.7 Connecting to a Named Instance of SQL Server or Microsoft Data Engine (MSDE) Problem...

Ngày tải lên: 14/12/2013, 18:16

... result.ToString( ); } Discussion A Microsoft Access database password requires that users enter a password to obtain access to the database and database objects. This is also known as share-level ... those defined by ADO.NET. To open a database secured by a Microsoft Access database password, use the Jet OLEDB:Database Password attribute in the connection string to spe...

Ngày tải lên: 24/12/2013, 05:15

... 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 ... data adapter to retrieve all rows from text file. The MaxScanRows option indicates how many rows should be scanned to automatically determine column type. A value of 0 indicates th...

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"; OdbcDataAda...

Ngày tải lên: 24/12/2013, 05:15

... survey administration, and a set of optional performance measures that may be appropriate for your organization. Since agency approaches to performance measurement and management vary greatly ... perspectives: Financial, Customer, Internal Business Processes, and Learning and Growth. Some indicators are maintained to measure an organization’s progress toward achieving its vision; other...

Ngày tải lên: 09/12/2013, 20:15

... dữ liệu từ danh sách “Select the database on the server” (háy nhấn nút “Refresh” để update danh sách server và danh sách database mới nhất trước khi l a chọn). Hơi ra ngoài phạm trù c a bài ... đ a dữ liệu vào tệp Excel 2007 từ DB2 Data Server, bạn cần bắt đầu với một kết nối (database connection). Chức năng này được hỗ trợ trong Excel 2007, ở tab Data (xem hình bên dưới)....

Ngày tải lên: 22/12/2013, 22:16

... connecting to both an Access and an Oracle database. To interact with either of these databases in your program, you use classes from the System.Data.OleDb namespace. This namespace contains classes ... name for the database. Oracle Net is a software component that allows you to connect to a database over a network. You'll need to speak with your DBA to get the Ora...

Ngày tải lên: 24/12/2013, 01:17

... .NET data provider should be used primarily as a bridge from applications that already use ODBC. Use a native Oracle .NET data provider where practical. TNSNAMES.ORA Oracle uses a configuration ... 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 string. An...

Ngày tải lên: 24/12/2013, 05:15