Jqgrid 3.7 does not show rows in internet explorer

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You should just use the full path in URL (started with http:// or at least with /) first of all. Internet Explorer works wrong in a lot of cases with relative urls.

Some more small general remarks. You can use ajaxGridOptions: { contentType: 'application/json; charset=utf-8' } unstead of using loadBeforeSend. Some other default values (see http://www.trirand.com/jqgridwiki/doku.php?id=wiki:colmodel_options) can be also removed.

myGrid = $("#list").jqGrid({
    url: 'http://www.ok-soft-gmbh.com/jqGrid/Jqgrid37json.txt',
    datatype: 'json',
    mtype: 'GET',
    ajaxGridOptions: { contentType: 'application/json; charset=utf-8' },
    colModel: [
        { name: 'Id', width: 20 },
        { name: 'Nombre', width: 200 }
    ],
    rowNum: 10,
    rowList: [5, 10, 200],
    sortname: 'Nombre',
    sortorder: "asc",
    pager: $("#listp"),
    viewrecords: true,
    width: 600,
    height: 250,
    jsonReader: {
        root: "d.rows",
        page: "d.page",
        total: "d.total",
        records: "d.records"
    }
});

Moreover you can reduce the JSON data to

{"d":
    {"__type":"jqGrid",
     "total":"1",
     "page":"1",
     "records":"10",
     "rows":[
         ["180","Cultura"],
         ["61","Deporte"],
         ["68","Deporte"],
         ["5","Economía"],
         ["67","Economía"],
         ["76","Economía"],
         ["178","Economía"],
         ["4","Entrevista"],
         ["66","Entrevista"],
         ["78","Entrevista"]
     ]
    }
}

and add in the definition of the jsonReader the poperty cell: “”:

jsonReader: {
    root: "d.rows",
    page: "d.page",
    total: "d.total",
    cell: "",
    records: "d.records"
}

You can verify http://www.ok-soft-gmbh.com/jqGrid/Jqgrid37.htm and http://www.ok-soft-gmbh.com/jqGrid/Jqgrid37Comact.htm that all works without any problem in all standard web browsers.

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