title: ExtJS 4.2.2 Rendering rows at gridpanel freezing screen
body: <p>When store associated with gridpanel loads data and put it into the grid screen is freezing during this process. I try to use <strong>suspendLayouts()</strong> before and <strong>resumeLayouts()</strong> after but this solution broke grid columns. Maybe ExtJS has other tool to keep screen responsible during render data at grid process.</p>