Consider sales people who need customer data as they travel.At the beginning of the day, they’ll need to sync up with the main database to have the latest information available.It is the Sql Data Adapter that manages connections with the data source and gives us disconnected behavior.The Sql Data Adapter opens a connection only when required and closes it as soon as it has performed its task.
This is okay because they have a given region or customer base where other people won’t be changing the same records.Hello All, I am trying to update access table using dataadapter. The code executes fine but the table does not get updated. A Data Set is an in-memory data store that can hold numerous tables.Data Sets only hold data and do not interact with a data source. Data Bind() When you create the new data adapter, the select statement of the adapter is automatically created for you. In Lesson 3, we discussed a fully connected mode of operation for interacting with a data source by using the Sql Command object.In Lesson 4, we learned about how to read data quickly an let go of the connection with the Sql Data Reader.This Lesson shows how to accomplish something in-between Sql Connection and Sql Data Reader interaction by using the Data Set and Sql Data Adapter objects.The update query if tried directly in access works fine but thru the code does not work.code is as follows: conn. Text strsql = "SELECT " & strtablename & ".* FROM [" & strtablename & "];" cmd.