For more information, see Merging Data Set Contents and Handling Data Adapter Events. The following examples demonstrate how to perform updates to modified rows by explicitly setting the Private Sub Adapter Update(By Val connection String As String) Using connection As Sql Connection = New Sql Connection( _ connection String) Dim adapter As Sql Data Adapter = New Sql Data Adapter( _ "SELECT Category ID, Category Name FROM dbo. Update Command = New Sql Command( _ "UPDATE Categories SET Category Name = @Category Name " & _ "WHERE Category ID = @Category ID", connection) adapter. Connection Pooling Describes connection pooling for the . Commands and Parameters Contains topics describing how to create commands and command builders, configure parameters, and how to execute commands to retrieve and modify data.Data Adapters and Data Readers Contains topics describing Data Readers, Data Adapters, parameters, handling Data Adapter events and performing batch operations.
For example, there is Microsoft SQL Server, Microsoft Access, Oracle, Borland Interbase, and IBM DB2, just to name a few.
We need some raw data and we will utilize Customer Service Dashboard sample database here. First we will design the structure of what all option we want to present for filtering the data, which you can see in the interface below.
Once the user clicks on Show Data we will use a SQL statement to filter-out the data as per the drop down options selected by the user and the put them in the table below.
Retrieving Database Schema Information Describes how to obtain available databases or catalogs, tables and views in a database, constraints that exist for tables, and other schema information from a data source. Sql Client Streaming Support Discusses how to write applications that stream data from SQL Server without having it fully loaded in memory. NET Data Sets, Data Tables, and Data Views Securing ADO.
Db Provider Factories Describes the provider factory model and demonstrates how to use the base classes in the .