ASP.Net GridView control provides a CommandField whose events can be handled at server side using VB.Net that enables you to display the Delete Command button also which can be used to call the delete command at server side to permanently delete the record from the database. You can easily attach the GridView event such as RowDeleting to implement the delete command of GridView control.
Command Event Used
GridView Property Used
The DataKeys property of GridView control enables you to hold the unique identifier values for each row generated inside it. The DataKey value can be retrieved using VB.Net for the associated row item that can be used to perform the delete action for that particalur row item in the database as well.
Try the sample below to understand the functionality developed using VB.Net code for GridView Control's delete Command in ASP.Net: