Tài liệu Updating a Database Using a DataSet doc
Tài liệu Updating Server Data Using a Web Service pptx
... tables. UpdateOrders( ) Takes a DataSet argument containing the changes made to the DataSet created by the LoadOrders( ) method, creates two DataAdapter objects with CommandBuilder generated ... Use a DataSet object. The XML web service code contains two methods: LoadOrders( ) Creates and returns a DataSet containing the Orders and Order Details tables from Northwind an...
Ngày tải lên: 24/12/2013, 05:15
Tài liệu Updating a Database Using a DataSet doc
... it again. The DataSet in this case is referred to as a disconnected DataSet as it doesn't maintain an active connection to the database. Disconnected DataSet objects act as a data cache ... time. Instead, a better approach is to connect to the database, fetch the data into a DataSet object, and then disconnect again. The user can browse the data in the DataSet and m...
Ngày tải lên: 15/12/2013, 00:15