Key points for using Jquery Autocomplete

$("#txt").autocomplete("/Asmx/", {
extraParams:{hosid:HosID,profid:ProfID},
minChars: 0,
max: 700,
mustMatch: true,
autoFill: true,
selectFirst: true,
scrollHeight: 220,
width:640,
scroll:true,
parse: function(data){
var obj=eval("("+data+")");
var row = [];
for(var i = 0; i<; i++){
row[i] = {data:obj[i], //json
value: obj[i].instName, //The value in the list
result: obj[i].instName}; //Show to the drop-down list
}
if( == 1)
{
// $("#hfInstID").val(obj[0].executeID);
// $("#Button1").click();
}
return row;
} ,
formatItem: function(row, i, total) {
},
formatMatch: function(row, i, max) {
},
formatResult: function(row, i, max) {
}
});