To change an existing row's data, you can directly assign a row's value. Delete() In this example, I'll show you how to add edit, and remove, data from the Northwind database.

To save data to the data source, you need to call the Data Adapter's Update method. I'll display the result of the Customers table in a Data Grid after adding, updating, and deleting data from the table.

Its not updating the existing records but its creating the new records with new Request Id 's.

If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site. In earlier tutorials we saw how the Grid View control makes it simple to edit and delete text data.In this tutorial we see how the Grid View control also makes it possible to edit and delete binary data, whether that binary data is saved in the database or stored in the file system.Hi, Req: To update the existing records in the AR form with the latest values from the spreadsheet .I have used same unique identifiers of existing records like Reconcilliation Identity, Dataset id and some other additional fields in my spreasheet, to load/update to the same AR form using import tool. If you just want to add records then use DISP=MOD as you disposition, but if you want to update in place then that will be DISP=OLD.If you do want to add records, I would suggest that you write a new file out and use a utility to then merge the existing file and the new file, which will preserve the data integrity of the original file. For adding records, 1) First u read the file into a stem variable (By doing this all the records will be stored in the stem variable) 2) Get the count of the total records in the file (stem.0) 3) Open a stack and Form a loop to QUEUE the record.When editing a category, the user will be able to optionally upload a new picture or have the category continue to use the existing one. In this tutorial we will extend the Grid View to include editing and deleting support.For the brochure, they can either choose to use the existing brochure, to upload a new brochure, or to indicate that the category no longer has a brochure associated with it. The DAL has auto-generated s header and choose Add Query from the context menu to launche the Table Adapter Query Configuration Wizard. Rather than continuing to work from page from the previous tutorial.As you saw in the Data Table, Data Row, and Data Column sections at the beginning of this article, you can use the Delete method of a Data Row to delete a row.The Add New method of the Data Table adds a row to a Data Table.For example, if you call Delete on a row on the Data Set, then when Update is called on the Data Adapter, the Delete Command of the Data Adapter will be called using the particular row in the Data Set.Note: Keep in mind that this Update is different than a SQL UPDATE statement.Answer 1: ADO stands for Active Data Object and ADO. For example, ODBC data providers work with ODBC data sources and Ole Db data providers work with OLE-DB data sources. NET components model and how they work together: See for more detail: Answer 3: A Data Set object falls in disconnected components series.