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POExtJS: Second Modal Window causing error: Uncaught TypeError: Cannot read property 'addCls' of null
 

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  1. POExtJS: Second Modal Window causing error: Uncaught TypeError: Cannot read property 'addCls' of null
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    <p>I am getting the error: "Uncaught TypeError: Cannot read property 'addCls' of null" in the following scenario.</p> <p>I have a requirement of two modal windows. The first modal window has a Grid. When I double click on the Grid in the first modal window, I should open a second modal window. Below is the code I used:</p> <pre><code> saleOrderEmployeeGrid.on('celldblclick', function(tableview, td, cellIndex, record, tr, rowIndex, e, eOpts){ loadActivityWindow(); }); } function loadActivityWindow() { jobSlotActivityWin = new Ext.Window({ id :'jobSlotActivityWinId', modal : true, layout : 'fit', width : 900, height : 500, closeAction :'destroy', plain : true, model : true, stateful : false, title :'Create Job Slot', items : [soActivityPanel], buttons : [{ text : 'Close', handler : function(){ jobSlotActivityWin.destroy(); } } ] }); jobSlotActivityWin.show(); Ext.WindowManager.register (createJobSlotWin); // createJobSlotWin is the first modal window Ext.WindowManager.register(jobSlotActivityWin); // jobSlotActivityWin is the second modal window created above Ext.WindowManager.bringToFront ('jobSlotActivityWinId'); } </code></pre> <p>So, when I double click on the saleOrderEmployeeGrid, I see the second modal window fine. Then I close the second modal window and double click on the grid again on the first modal window.</p> <p>This now doesn't bring up the second modal window. It completely goes masked and blank in the background of first modal window and I see the below error in the JavaScript Console: Uncaught TypeError: Cannot read property 'addCls' of null</p> <p>To be more precise, the error seems to be coming out of jobSlotActivityWin.show() as my debug logs failed at that point.</p> <p>Anyone faced this before and can help me?</p>
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