Dataadapter not updating
NET Framework data provider to connect to a data source and Command objects to retrieve data from and resolve changes to the data source.
The Sql Data Adapter uses the Connection object of the .
Dim str Connection As String = _ "Data Source=localhost; Initial Catalog=Northwind;" _ & "Integrated Security=True" Dim cn As Sql Connection = New Sql Connection(str Connection) cn. The Sql Command Build Object can be examined to see what commands were created.
Open( ) ' Create a data adapter object and set its SELECT command. To see the commands that are generated in Example 8-2, add the following lines anywhere after the declaration and assignment of the autogen variable: , etc.) in each of these statements.
If you spot a rule that is out of date, please email or if you are cool tweet me,or one of the people in above acknowledgements.For example, the following call to Update writes changes from the Data Table named Categories back to the SQL Server table of the same name: statement that was provided to the Sql Data Adapter object or can be explicitly provided to the Sql Data Adapter object. When the Update method is called, the Sql Data Adapter object notes that no values have been set for its Update Command, Insert Command, and Delete Command prperties, and therefore queries the Sql Command Builder object for these commands. row("Description") = "Milk and stuff" ' Perform the update. Update(ds, "Categories") ' Close the database connection. Example 8-2 shows an example of allowing an Sql Data Adapter object to infer the SQL ' Open a database connection. If any of these properties had been set on the Sql Data Adapter object, those values would have been used instead. Hello, I have a question about the framework, because from the doc I would expect a behaviour, but it does not happen.I cannot provide a example project, because my app is huge and uses Core Data etc.. The idea is the following: I could call reload Data but I would lose the animation, and the purpose of using the framework.