Check out this short 3 minute video which shows you how to create and initialize new rows of the ASPxGridView:
This help topic shows how to call the InitNewRow event in both C# and VB versions:
How to: Add and Initialize a New Row
About Mehul Harry (Developer Express)
Mehul Harry is an ASP.NET technical evangelist at Developer Express. You can reach him directly at mharry@DevExpress.com. You can also follow him on Twitter: http://twitter.com/mehulharry