Help Regarding the data Grid.

Question

Hi Good Afternoon,

1)I need the help regarding, how to add(Insert) the NEW Record into the DataGrid at run time.

2)Without refreshing the webPage(ASP.NET),How can i get a record in Datagrid, which is newly Inserted into the table.

3)How do we know that, How many users are using our website at a particular time.

please answer these questions, with One example each.


Thanks In Advance,
Moni.