Tài liệu Updating a DataSet with a Many-to-Many Relationship ppt

... records. [ Team LiB ] [ Team LiB ] Recipe 4.10 Updating a DataSet with a Many-to-Many Relationship Problem You have a DataSet that contains two tables that have a many-to-many relationship ... called to update the changes made to the DataSet with the data source. Refresh Button.Click This event handler clears all data from the DataSet. LoadData( ) is...

Ngày tải lên: 26/01/2014, 10:20

... set of data. The solution shows three ways to synchronize a DataSet with an XmlDataDocument: Method 1 Populate a DataSet with both schema and data. Synchronize it with a new XmlDataDocument, ... XmlDataDocument, initializing it with the DataSet in the constructor. Method 2 Populate a DataSet with a schema but no data. Synchronize it with a new XmlDataDo...

Ngày tải lên: 21/01/2014, 11:20

... da.RowUpdating += new SqlRowUpdatingEventHandler(da_RowUpdating); // Create table and fill with orders schema and data. dt = new DataTable(CATEGORIES_TABLE); da.FillSchema(dt, SchemaType.Source); ... DataAdapter update of the row. e.Status = UpdateStatus.SkipCurrentRow; } Discussion When a DataAdapter is used to update the data source with changes made to disconnected data...

Ngày tải lên: 14/12/2013, 18:16

... 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...

Ngày tải lên: 24/12/2013, 05:15

... 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...

Ngày tải lên: 26/01/2014, 10:20

... directories allow easier workbook organization. The difference between subchannel and directories is that a subchannel is a subset of a channel, whereas a directory can be displayed as a cluster ... InfoCatalog from the toolbar. 3. Choose the Channel InfoCatalog tab. 4. Choose Display <-> Change to switch to the change mode. 5. In Channel, enter a technical name...

Ngày tải lên: 11/12/2013, 14:15

... preventing data entry errors is to use Excel’s data-validation feature. With data validation, you create rules that specify exactly what kind of data can be entered and in what range that data can fall. ... values in braces ({}). ■ If you want Excel to treat the values as a row, separate each value with a semicolon. ■ If you want Excel to treat the values as a column, separate each...

Ngày tải lên: 13/12/2013, 09:16

Ngày tải lên: 13/12/2013, 19:15

Ngày tải lên: 13/12/2013, 19:15

Ngày tải lên: 13/12/2013, 19:15