Dear All, I'm using ultrawebgrid in my aspx page, in every action in the grid or grid cell the grid hava a post back, so i want to know, without any flickering on the grid i want to do, cell updation, in the cell updation i want to validate something, or fetching data from a dataset and so on. Can any one tell me, without any post back or flickering the user can do the above things. please reply me. Thanks & Regards, Vasanth.