Difference between rowupdated and rowupdating of gridview in asp net

04 Jun

The events are as described below: Row Updating - Occurs when a row's Update button is clicked, but before the Grid View control updates the row.

Row Deleting – Occurs when a row's Delete button is clicked, but before the Grid View control deletes the row.

encounters a change to a Data Row, it uses the Insert Command, Update Command, or Delete Command to process the change. Rows(0) category Row("Category Name") = "New Beverages" adapter. Write Line("Rows after update.") Dim row As Data Row For Each row In category Table. Write Line(": ", row(0), row(1)) Next End Using End Sub either by returning the auto-increment value as an output parameter of a stored procedure and mapping that to a column in a table, by returning the auto-increment value in the first row of a result set returned by a stored procedure or SQL statement, or by using the are sent to the data source is important.

This allows you to maximize the performance of your ADO. For example, if a primary key value for an existing row is updated, and a new row has been added with the new primary key value as a foreign key, it is important to process the update before the insert. By specifying a subset of rows to be updated, you can control the order in which inserts, updates, and deletes are processed.

He has also written two EBooks 51 Recipes using j Query with ASP.

This example shows how to edit and update records in a Grid View in ASP. This example is helpful in situations where an administrator needs to edit several records from the database.

All other database operations have to be coded manually.

NET 2.0, Microsoft has introduced Grid View control which too displays tabular data in a grid.Editing the Grid View control can be an incredibly easy feature to add for certain database tables, especially those who have no foreign key associated and can easily be edited through the use of a standard Text Box web control as shown in the figure below: 1.You need to include the Grid View Command Field column to add Edit, Update and Cancel Buttons in the Grid View. You need to include Template Field for every column you want to provide Editing because Template Field provides you both Item Template and Edit Item Template to create interface for two separate Grid View modes. You need to handle Grid View events such as Row Editing, Row Canceling Edit and Row Updating to provide desired editing functionality.With Grid View control, you can display, edit, and delete data directly from different kinds of data sources with out writing any single piece of code Grid View control automates paging, sorting and database operations like updating, deletion and selection of data with out writing single piece of code.This is possible with new property Data Source ID which allows performing paging, sorting and all database operations directly with the Data Source.