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    <p>It seems for me that you should just use <code>try - catch</code> block over jqGrid code:</p> <pre><code>try { // create the grid $("#list").jqGrid({ // all jqGrid options }); } catch (err) { // display the error message which you want alert(err); } </code></pre> <p><strong>UPDATED</strong>: You are right, the <code>try {...} catch (err) {...}</code> which I described before work in IE only with reading local data. In case of getting data from the server the exception take place inside of <code>success</code> callback of <code>$.ajax</code>. To be exactly it take place inside of <code>addJSONData</code> or <code>addXmlData</code> depend of the type of data which you use. To catch the exception you should modify code of jqGrid in <a href="https://github.com/tonytomov/jqGrid/blob/v4.2.0/js/grid.base.js#L1717" rel="nofollow">the place</a>. The modified code can be about the following</p> <pre><code>success:function(data,st, xhr) { if ($.isFunction(ts.p.beforeProcessing)) { ts.p.beforeProcessing.call(ts, data, st, xhr); } try { if(dt === "xml") { addXmlData(data,ts.grid.bDiv,rcnt,npage&gt;1,adjust); } else { addJSONData(data,ts.grid.bDiv,rcnt,npage&gt;1,adjust); } if(lc) { lc.call(ts,data); } if (pvis) { ts.grid.populateVisible(); } } catch (err) { alert(err); } if( ts.p.loadonce || ts.p.treeGrid) {ts.p.datatype = "local";} data=null; if (npage === 1) { endReq(); } } </code></pre> <p>I tested in <a href="http://www.ok-soft-gmbh.com/jqGrid/SK11__.htm" rel="nofollow">the demo</a> the corresponding modified version of jquery.jqGrid.src.js which display error message. I don't reproduced exactly the error which you described so the error message is a little other as in your case.</p> <p>If you need minimized version of the modified jquery.jqGrid.src.js file you can produce it yourself with any JavaScript minimizer. For example <a href="http://ajaxmin.codeplex.com/" rel="nofollow">Microsoft Ajax Minifier</a> can be free downloaded and installed. The usage as</p> <pre><code>ajaxmin.exe jquery.jqGrid.src.js -out jquery.jqGrid.min.js </code></pre> <p>will produce the new minimized version of jquery.jqGrid.src.js which will be even a little smaller as the original jquery.jqGrid.min.js.</p> <p>Another good minimizer is available online <a href="http://closure-compiler.appspot.com/home" rel="nofollow">here</a>. You should use "Simple" Optimization only.</p>
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    1. COI have already tried that and it didn't work. Someone told me that it's because jqgrid code is already with a big try catch, so I don't have a chance to do what I want. I am not sure of that though, which is why I posted the question.
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    2. CO@user998692: You are right. I modified my answer.
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    3. COThank you for your help.
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