data adapter

The sample applications that I used for this test include routines that use the DataAdapter to return rows.

No changes have been made since the last call to AcceptChanges or since the row was created by DataAdapter. Fill.

In more advanced situations, you may decide that you want the same DataAdapter to support loading different tables with different mappings.

You may also respond to errors on a per-row basis within the RowUpdated event of a DataAdapter.

Interface and allows an object to create a DataAdapter designed for use with a relational database.

When Update is processing an inserted, updated, or deleted row, the DataAdapter uses the respective Command property to process the action.

With existing data sources to control the interaction through the DataAdapter.

Information in this section covers the new data access objects including the DataSet and DataAdapter classes.

Call the Update method of the DataAdapter, passing the second DataSet as an argument.

The SelectCommand property must be set before you call the Fill method of the DataAdapter.

The DbCommandBuilder registers itself as a listener for RowUpdating events whenever you set the DataAdapter property.

You can use a Transact-SQL SELECT statement to select UDT column values to populate a dataset using a data adapter.

The exception that is thrown by the DataAdapter during an insert, update, or delete operation if the number of rows affected equals zero.

You can also combine a DataSet object with a DataAdapter object to commit changes expressed in the Diffgram to the database.

Although this manual methods are sometimes quite fast, but compared to the use of DataAdapter and DataSet, which we need to do more.

A DataAdapter contains a collection of zero or more DataTableMapping objects in its TableMappings property.

For more information, see Populating a DataSet from a DataAdapter.

At a later point, the DataAdapters can submit changes back to the data store.

Creates a copy of this instance of DataAdapter.

Call the Fill method of the DataAdapter, passing in the DataSet or DataTable to load the data into.

The TableAdapter adds a property not available on the base DataAdapter class.

The SourceVersion specifies the DataRow version that the DataAdapter uses to retrieve the value.

Select the new Data Adapter and click on the Properties view.

The remaining work just add some code, the use of DataAdapter to load the DataSet.

The DataAdapter uses the mapping to match the columns when the table is updated.

There are several ways to load data into a DataSet, such as using the DataAdapter class or LINQ to SQL.

You can also run into problems when you use the DataAdapter object.

Describes the ADO. NET DataAdapter object and how to use it to retrieve data from a data source and populate tables within a DataSet.

Build and fill each DataTable in a DataSet with data from a data source using a DataAdapter.

Performing Batch Updates with a DataAdapter

To fill a dataset with data using a DataAdapter

Interface allows an inheriting class to implement a DataAdapter class, which represents the bridge between a data source and a