Infragistic webdatagrid

Hi Friends, am first time working in the Infragistics webdatagrid.

 

So far ,I installed the trail version and binded the data(datatable) to the webdatagrid successfully .  Now i got the requirement to edit the data in that webdatagrid.  

 

I googled it , but i  couldnt get exact and much information about it. so i stucked

 

If anyone worked or knows ,could you please guide me in correct direction?

 

thanks

karthik