How to fetch the data from a data grid

[Nithin]

Hi gintaras,

how can i read/write to a data grid.....

scenario: i have a data grid having 4 columns and 20 rows.....
first i want to get the number of used rows.... then read/ write on a particular cell in the grid

eg: i want to read a cell of row 2 column 3


thanks,
Nithin