title: How to refresh datagrid
body: <p>I create dojox.grid.datagrid and I fill content from array like on example <a href="http://dojotoolkit.org/reference-guide/quickstart/data/usingdatastores/simple.html" rel="noreferrer">last example on page</a>. During time, I change value of that array in code. How to refresh content of that grid ? How to load new data from changed array ?</p>