how to write java script by passing id

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i have check box and Dropdown list in a loop

XML

<td><input type="checkbox" name="'chk#'@item.CountryDetails.CountryId" id="chk"  onclick="disable()"  /></td>

                                       <td><select id="DRP" name="'DRP#'@item.CountryDetails.CountryId"><option value="null">--Select time--</option>
                                       <option value="monthly">Monthly</option>
                                       <option value="yearly">Yearly</option>

now i want to make disable all dropdown box ,

it should active only when check box is checked

Posted 1-Sep-14 23:40pm

murkalkiran

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Gihan Liyanage · Answer 1 · 2014-09-02T00:48:00

Solution 3

Please see this jsfiddle example with your requirement

http://jsfiddle.net/xjn3Q/63/[^]

Posted 2-Sep-14 0:48am

Gihan Liyanage

Comments

murkalkiran 2-Sep-14 7:35am

i have done this my check box and dropdown list are in loop,

till what have done is working for only 1st checkbox and 1st dropdownlist

not for 2nd 3rd and so on......

Gihan Liyanage 2-Sep-14 7:42am

Can you please post the code with loop part. I cant understand what you saying,"In a loop"

murkalkiran 3-Sep-14 2:10am

foreach (var item in Model.ExchangeRateCollection)
{

<tr>
<td>@item.CountryDetails.CountryName
</td>
<td>@item.CountryDetails.Currency.CurrencyCode.Trim()
</td>
<td>@item.CountryDetails.Currency.CurrencyType
</td>

@if (ui.RoleName.ToUpper() == "WS ADMIN")
{
<td>@item.ExchangeFactor
</td>
}
else
{
<td>

<span id="@item.CountryDetails.Currency.CurrencyCode.Trim()"></span>
<input class="input2 xfactor" size="20" style="width:110px !important;float:right" name="@item.CountryDetails.CountryId" id="@item.CountryDetails.CountryId" type="text" value="@item.ExchangeFactor" önblur="return validateExchangeFactor(this)"; />
</td>
}

<td>@item.CountryDetails.ShortCountryCode
</td>
<td>@item.CountryDetails.Currency.Symbol
</td>

@if (ui.RoleName.ToUpper() == "WS ADMIN")
{
<td class="last">
<span id="@item.CountryDetails.Currency.CurrencyCode.Trim()"></span>
<input class="input2 xfactor" style="width:160px !important" size="20" name="@item.CountryDetails.CountryId" id="@item.CountryDetails.CountryId" type="text" value="@item.CustomExchangeFactor" önblur="return validateExchangeFactor(this)"; />
</td>
}

<td><input type="checkbox" name="'chk#'@item.CountryDetails.CountryId" id="chk" önclick="Active()" /></td>

<td><select disabled="disabled" id="DRP" name="'DRP#'@item.CountryDetails.CountryId"> <option value="null" >--Select time--</option>
<option value="monthly">Monthly</option>
<option value="yearly">Yearly</option>
</select></td>

vangapally Naveen Kumar · Answer 2 · 2014-09-02T00:15:00

try like this

XML

<!DOCTYPE html>
<html>
<body>

<p>An unordered list:</p>
<ul>
  <li>Coffee</li>
  <li>Tea</li>
  <li>Milk</li>
</ul>
<input  id="myCheck" type="checkbox" value="0" />

<p id="Naveen">
<select>
   <option value="volvo">Volvo</option>
   <option value="saab">Saab</option>
   <option value="mercedes">Mercedes</option>
   <option value="audi">Audi</option>
</select>
<select>
   <option value="volvo1">Volvo1</option>
   <option value="saab1">Saab1</option>
   <option value="mercedes1">Mercedes1</option>
   <option value="audi1">Audi1</option>
</select>
<select>
   <option value="volvo2">Volvo2</option>
   <option value="saab2">Saab2</option>
   <option value="mercedes2">Mercedes2</option>
   <option value="audi2">Audi2</option>
</select>

</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {

var xc = document.getElementById("myCheck").checked
alert(xc);
if(xc==true){

    var x = document.getElementsByTagName("LI");

for (var i=0, max=x.length; i <=max; i++) {

alert("hi");
document.getElementById("Naveen").style.display='none'

}}
}
</script>

</body>
</html>