Using jqGrid’s search toolbar with multiple filters in ASP.NET MVC

(function(a){a.jgrid={defaults:{recordtext:"View {0} - {1} of {2}",emptyrecords:"No records to view",loadtext:"Loading...",pgtext:"Page {0} of {1}"},search:{caption:"Search...",Find:"Find",Reset:"Reset",odata:["equal","not equal","less","less or equal","greater","greater or equal","begins with","does not begin with","is in","is not in","ends with","does not end with","contains","does not contain"],groupOps:[{op:"AND",text:"all"},{op:"OR",text:"any"}],matchText:" match",rulesText:" rules"},edit:{addCaption:"Add Record",editCaption:"Edit Record",bSubmit:"Submit",bCancel:"Cancel",bClose:"Close",saveData:"Data has been changed! Save changes?",bYes:"Yes",bNo:"No",bExit:"Cancel",msg:{required:"Field is required",number:"Please, enter valid number",minValue:"value must be greater than or equal to ",maxValue:"value must be less than or equal to",email:"is not a valid e-mail",integer:"Please, enter valid integer value",date:"Please, enter valid date value",url:"is not a valid URL. Prefix required ('http://' or 'https://')"}},view:{caption:"View Record",bClose:"Close"},del:{caption:"Delete",msg:"Delete selected record(s)?",bSubmit:"Delete",bCancel:"Cancel"},nav:{edittext:"",edittitle:"Edit selected row",addtext:"",addtitle:"Add new row",deltext:"",deltitle:"Delete selected row",searchtext:"",searchtitle:"Find records",refreshtext:"",refreshtitle:"Reload Grid",alertcap:"Warning",alerttext:"Please, select row",viewtext:"",viewtitle:"View selected row"},col:{caption:"Show/Hide Columns",bSubmit:"Submit",bCancel:"Cancel"},errors:{errcap:"Error",nourl:"No url is set",norecords:"No records to process",model:"Length of colNames <> colModel!"},formatter:{integer:{thousandsSeparator:" ",defaultValue:"0"},number:{decimalSeparator:".",thousandsSeparator:" ",decimalPlaces:2,defaultValue:"0.00"},currency:{decimalSeparator:".",thousandsSeparator:" ",decimalPlaces:2,prefix:"",suffix:"",defaultValue:"0.00"},date:{dayNames:["Sun","Mon","Tue","Wed","Thr","Fri","Sat","Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],monthNames:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec","January","February","March","April","May","June","July","August","September","October","November","December"],AmPm:["am","pm","AM","PM"],S:function(b){return b<11||b>13?["st","nd","rd","th"][Math.min((b-1)%10,3)]:"th"},srcformat:"Y-m-d",newformat:"d/m/Y",masks:{ISO8601Long:"Y-m-d H:i:s",ISO8601Short:"Y-m-d",ShortDate:"n/j/Y",LongDate:"l, F d, Y",FullDateTime:"l, F d, Y g:i:s A",MonthDay:"F d",ShortTime:"g:i A",LongTime:"g:i:s A",SortableDateTime:"Y-m-d\\TH:i:s",UniversalSortableDateTime:"Y-m-d H:i:sO",YearMonth:"F, Y"},reformatAfterEdit:false},baseLinkUrl:"",showAction:"",target:"",checkbox:{disabled:true},idName:"id"}}})(jQuery);