Add multiple items in hidden field at runtime.

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Dear Sir,
In my project I want to add the ids of selected items from autocomplete extender list to a hidden field using comma separator. using java script please help me.
Ankita Mali

Posted 27-Apr-11 18:18pm

Ankita Mali

Updated 27-Apr-11 18:51pm

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madhusudhan.k · Answer 1 · 2011-04-28T21:23:00

Dear Ankita,

Below is the JavaScript code by which might be helpful for you or get an idea.

C#

var txtTextBox = ""
    var selectElement = global.getElementById('listBox ').getElementsByTagName('select')
    for (var i = 0; i < selectElement.length; i++) {
        if (selectElement[i].selectedIndex != 0) {
            txtTextBox += selectElement[i].options[selectElement[i].selectedIndex].Value + ",";
        }
    }

Regards
Madhusudhan

Mahendra.p25 · Answer 2 · 2011-04-28T21:34:00

try this

C#

function Fn_JsOrders_GetCheckBoxList() {
           var jsVar_Orders_OrderId = "";
           var flag = false;
           // alert(document.aspnetForm.OrderId.length);
           var ctrls = document.getElementsByTagName("input");
           for (var i = 1; i < ctrls.length; i++) {
               if (ctrls[i].checked == true) {
                   //  alert(jsVar_Orders_OrderId);
                   jsVar_Orders_OrderId = jsVar_Orders_OrderId + ctrls[i].value + ",";
               }
           }
           if (jsVar_Orders_OrderId.length == 0) {
               alert("Please Select Atleast One item");
               flag = false;
           }
           else {
               document.getElementById("<%=hid_Hospital_HospitalId.ClientID %>").value = jsVar_Orders_OrderId;
               var answer1 = confirm("Are You Sure You Want to Delete ?");
               if (answer1) {
                   flag = true;
                   document.aspnetForm.submit();
               }
               else {
                   flag = false;
               }
           }
           return flag;
       }

nit_singh · Answer 3 · 2011-04-28T21:54:00

try this

function getID(ctrl)
{
        var dt = document.getElementById('<%=GridView1.ClientID %>')
        var items = dt.getElementsByTagName('input')
        
        document.getElementById('<%=t.ClientID %>').value = '';
    for(i=0; i<items.length;>    {
            if(items[i].type == 'checkbox' && items[i].checked)
                document.getElementById('<%=t.ClientID %>').value += ',' + items[i].id
    }
}

and call this like that

<asp:checkbox id="chk1" runat="server" onclick="getID(this)" xmlns:asp="#unknown" />

Add multiple items in hidden field at runtime.

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