js no refresh operation table rows and columns_javascript skills

//Query the database for qualified data
function SelectAlterNativeVenues(field)
{
var xmlhttp;
var pid = document.getElementById("nameandaddress").value;
var url = "${RetrieveURL}?accessorType=${AccessorType}";
url = url "&method=RetrieveSelectResult&NameAndAddress=" escape(pid);
if (window.XMLHttpRequest)
{
xmlhttp = new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); //IE
}
if (xmlhttp != null)
{
xmlhttp.open("GET", url, true);
xmlhttp.setRequestHeader("If-Modified-Since", "0");
xmlhttp.send(null);
xmlhttp.onreadystatechange = function processRefreshUsers() //Registration method
{
if (xmlhttp.readyState == 4)
{
if (xmlhttp .status == 200)
{
//responseXML gets the return value of executing the RetrieveCitiesByProvinceId method
var datas = xmlhttp.responseXML.documentElement.getElementsByTagName("AlterNativeVenues");
var nname = document. getElementById("table1");
var pchildren = nname.childNodes;//Clear the rows and columns in the table
for(var a=0; a{
nname.removeChild(pchildren[a]);
}
//Add query row
var aaRow=nname.insertRow(0);
var aaCell=aaRow.insertCell(0);
aaCell.innerHTML="";
aaRow.insertCell(1).innerHTML="Query";
//Add title row
var aRow=nname .insertRow(1);
aRow.insertCell(0).innerHTML="";
aRow.insertCell(1).innerHTML="name";
aRow.insertCell(2).innerHTML=" Address";
aRow.insertCell(3).innerHTML="Phone";
//Loop to add data rows
for (i = 0; i < datas.length; i )
{
var Id = datas[i].getElementsByTagName("Id")[0].firstChild.nodeValue;
var Name = datas[i].getElementsByTagName("Name")[0].firstChild.nodeValue;
var Address=datas[i].getElementsByTagName("Address")[0].firstChild.nodeValue;
var Phone=datas[i].getElementsByTagName("Phone")[0].firstChild.nodeValue;

var aNewRow=nname.insertRow(i 2);
aNewRow.insertCell(0).innerHTML="";
aNewRow.insertCell(1).innerHTML=Name;
aNewRow.insertCell(2 ).innerHTML=Address;
aNewRow.insertCell(3).innerHTML=Phone;
}
}
}
}
}
}


//Add selected data
function AddRowSelectAfter(id,field)
{
//Divide all the ids in the hidden field and bind the corresponding checked
var state =false; //Determine whether the following list exists
var _hiddenId=document.getElementById(field).value.substr(0,document.getElementById(field).value.length-1).split(',');
for(j=0;j<_hiddenId.length;j )
{
if(_hiddenId[j]==id.split('_')[1])
{
state=true;
}

}
if(state==false)
{
//Just click the checkbox to change the value of the hidden field once
/ /In the unselected state, the id needs to be removed from the hidden control
var arrs=document.getElementById(field).value.substr(0,document.getElementById(field).value.length-1).split(', ');
//Define a field to retrieve the id
var newids="";
for(var arr=0;arr{
if( arrs[arr]!=id.split('_')[1])
newids =arrs[arr] ",";
}
//Reassign the hidden control
// The last character may be,
var fh=newids.substr(newids.length-1,newids.length);
if(fh==",")
document.getElementById(field).value =newids.substr(0,newids.length-1);
else
document.getElementById(field).value=newids;


if(document.getElementById(id). checked==false)
{
//Click to change the selected state to non-clicked state to remove the selected venue
document.getElementById(id).checked=false;
//Give tr Set the id to delete tr
document.getElementById("table2").deleteRow(document.getElementById("NewRow_" id.split('_')[1]).rowIndex);

}
else
{
document.getElementById(id).checked=true;
var input =document.getElementById(field);
var xmlhttp;
var url = "${ RetrieveURL}?accessorType=${AccessorType}";
url = url "&method=SelectResult&id=" id;
if (window.XMLHttpRequest)
{
xmlhttp = new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); //IE
}
if (xmlhttp != null)
{
xmlhttp.open("GET", url, true);
xmlhttp.setRequestHeader("If-Modified-Since", "0");
xmlhttp.send(null);
xmlhttp.onreadystatechange = function processRefreshUsers() //Registration method
{
if (xmlhttp.readyState == 4)
{
if ( xmlhttp.status == 200)
{
//responseXML gets the return value of executing the RetrieveCitiesByProvinceId method
var datas = xmlhttp.responseXML.documentElement.getElementsByTagName("AlterNativeVenues");
var nname = document .getElementById("table2");
nname.style.width="560px";
if(nname.rows.length==0&&datas.length>0)
{
//First Row
var firstRow=nname.insertRow(0);
firstRow.id="NewRow_0";
firstRow.insertCell(0).innerHTML="name";
firstRow.insertCell(1) .innerHTML="Address";
firstRow.insertCell(2).innerHTML="Phone";
firstRow.insertCell(3).innerHTML="Operation";
}
for (i = 0; i < datas.length; i )
{
var Id = datas[i].getElementsByTagName("Id")[0].firstChild.nodeValue;
var Name = datas[i] .getElementsByTagName("Name")[0].firstChild.nodeValue;
var Address=datas[i].getElementsByTagName("Address")[0].firstChild.nodeValue;
var Phone=datas[i] .getElementsByTagName("Phone")[0].firstChild.nodeValue;

var aNewRow=nname.insertRow(nname.rows.length);
aNewRow.id="NewRow_" Id;
var oneCell=aNewRow.insertCell(0);
oneCell.innerHTML=Name;
oneCell.width=140;
var twoCell=aNewRow.insertCell(1);
twoCell.innerHTML=Address;
twoCell.width=280;
var threeCell=aNewRow.insertCell(2);
threeCell.innerHTML=Phone;
threeCell.width=100;
var fourCell=aNewRow.insertCell( 3);
fourCell.innerHTML="Delete ";
fourCell.width=40;
if(input.value!="")
input.value =",";
input.value =Id;
}
}
}
}
}
}
}
}

function DeleteRow(id,obj,field)
{
obj. parentNode.parentNode.parentNode.removeChild(obj.parentNode.parentNode)
var nname = document.getElementById("table2");
if(nname.rows.length==1)
{
nname.deleteRow(0);
}
//The above list does not exist after the query has been stored in the database
if(document.getElementById("AlterNativeVenues_" id)!=null||document.getElementById ("AlterNativeVenues_" id)!=undefined)
{
if(document.getElementById("AlterNativeVenues_" id).checked==true)
{
document.getElementById("AlterNativeVenues_" id) .checked=false;
}
}
//Unchecked state requires removing the id from the hidden control
var arrs=document.getElementById(field).value.substr(0,document .getElementById(field).value.length-1).split(',');
//Define a field to get the id again
var newids="";
for(var arr=0; arr{
if(arrs[arr]!=id)
newids =arrs[arr] ",";
}
//Hide again Control assignment
//Reassign the hidden control
//The last character may be,
var fh=newids.substr(newids.length-1,newids.length);
if(fh ===",")
{
document.getElementById(field).value=newids.substr(0,newids.length-1);
}
else
document.getElementById( field).value=newids;
}