Refreshing the content of a grid

There are times when you may wish to update the content of the grid. For example,a button on the screen may cause an xhrGet to retrieve a new set of information that you want to display in the table. The following code snippet can be used to update the grid:

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var newStore = new dojo.data.ItemFileReadStore({data: {... some data ...});
var grid = dijit.byId("gridId");
grid.setStore(newStore);