Jquery Datatable null column -


hi have created jquery datatable using below code..

the column email id , activated date may nullable. when render table showing 'request unknown parameter 'email' data source row 0'

 var tblallkeys = $('#tblallkeys').datatable({                     "bdestroy" : true,                     "bprocessing" : true,                     "bserverside" : true,                     "blenthchange" : false,                     "idisplaylength" : 10,                     "sajaxsource" : "loadallkeys",                     "olanguage" : {                         "ssearch" : "search activation key:"                     },                     "aocolumns" : [                      {"stitle" : "no.","mdata" : null,"atargets": [ 0 ],                         "fnrender" : function(obj) {                             var columnindex = obj.osettings._idisplaystart + obj.idatarow+1                             return columnindex;                         }                     },                     {"stitle" : "activation key","mdata" : "key", "bsearchable" : true},                     {"stitle" : "email id","mdata" :  "email" , "bsearchable" : false},                     {"stitle" : "app edition","mdata" : "edition", "bsearchable" : false},                     {"stitle" : "batch code","mdata" : "batch", "bsearchable" : false},                     {"stitle" : "activated date","mdata" : "adate" , "bsearchable" : false},                     {"stitle" : "generated date","mdata" : "gdate", "bsearchable" : false},                     {"stitle" : "status","mdata" : "status", "bsearchable" : false},                     ],                        "fnserverdata" : function(ssource, aodata, fncallback) {                         $.ajax({                          "datatype" : 'json',                          "type" : "get",                          "url" : ssource,                          "data" : aodata,                          "success" : fncallback                         });                        },                        "spaginationtype" : "full_numbers",                 });

you can make use of columns.defaultcontent option available per docs on error, display default value or empty string when column's doesn't have value.

"aocolumns": [{   "stitle": "no.",   "mdata": null,   "atargets": [0],   "fnrender": function(obj) {     var columnindex = obj.osettings._idisplaystart + obj.idatarow + 1     return columnindex;   } }, {   "stitle": "activation key",   "mdata": "key",   "bsearchable": true }, {   "stitle": "email id",   "defaultcontent":"",//or specify other value   "mdata": "email",   "bsearchable": false }, {   "stitle": "app edition",   "mdata": "edition",   "bsearchable": false }, {   "stitle": "batch code",   "mdata": "batch",   "bsearchable": false }, {   "stitle": "activated date",   "mdata": "adate",   "bsearchable": false }, {   "stitle": "generated date",   "mdata": "gdate",   "bsearchable": false }, {   "stitle": "status",   "mdata": "status",   "bsearchable": false }, ],

its assign defaultcontent option columns if sure of column might come empty.


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