How to assign datasource to List grid Dynamically

[shash]

hello!!!
I am new to gwt. I am using gwt 1.3 and smartgwt 2.0.I want to dynamically assign data source to the List grid.On the wiget initializatin I am able to load it with datasouce (say datasourcewith5fields)with five fields.Now after the selection from one the of selection item I am changing the datasouce of this grid to another datasource(datasourcewith2field). but it is not working out.
Can anyone help me!!!

[shash]

hello!!!
I am new to gwt. I am using gwt 1.3 and smartgwt 2.0.I want to dynamically assign data source to the List grid.On the wiget initializatin I am able to load it with datasouce (say datasourcewith5fields)with five fields.Now after the selection from one the of selection item I am changing the datasouce of this grid to another datasource(datasourcewith2field). but it is not working out.
Can anyone help me!!!

...ok I found the solution