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    <p>You get this error because you are trying to create new grid widget each time button is clicked. There are 2 possible solutions: manually destroy existing widget, or create only one instance of grid widget and reuse it. </p> <p>I think, you don't need to recreate your grid every time data is received from the server. I suggest you to move all your grid initialization logic (including structure, but except store assignment) into new method like <code>initGrid</code>, that will create empty grid. And call it one page load:</p> <pre><code> dojo.ready(function() { initGrid(); }); </code></pre> <p>Then, when data received from the server, you can initialize data store and update grid (adjust your <code>postToPage</code> function):</p> <pre><code> function postToPage(data){ var storedata = { identifier:"ActID", items: data }; var store1 = new dojo.data.ItemFileWriteStore({data: storedata}) ; var grid = dijit.registry.byId("gridDiv"); grid.set("store", store1); grid.filter(); } </code></pre> <p>This should work. Also I suggest you not to use inline CSS styles and <code>center</code> tag.</p> <p><strong>Update:</strong></p> <p>You don't need to connect to <code>onRowClick</code> event each time data is updated, so it should be done in <code>initGrid</code> too.</p> <p>Your <code>initGrid</code> method should look like this:</p> <pre><code> function initGrid() { var gridStructure =[[ // declare your structure here ]]; var grid = new dojox.grid.DataGrid({ structure: gridStructure, rowSelector: '30px', selectionMode: "single", autoHeight:true, columnReordering:true },'gridDiv'); dojo.connect(grid, "onRowClick", grid, function(){ // onRowClick handler }); grid.startup(); } </code></pre>
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    1. COSir, thanks a ton for the reply, but things are not working fine as of now. Some changes need to be made. Please help me on that . really need that. I have edited the code. See for "The edited part:: ". thanks.
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    2. COUpdated my answer. By the way, dojo.ready should not be inside any function, in your code it seems it is inside initGrid function.
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    3. COIt worked sir.. :) Thanks a ton for your help.. u really helped me out... :) By the way i made a small change , used grid.setstore(store1).. The way u told me was not catching data that way.. anyways, thanks again.. Will surely ping you in future for my Dojo related problems.. :)
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