How to get dropdownlist value with out using post back

Question

i have two dropdownlist as follows

Country dropdownlist1
State dropdownlist2

when i click the country dropdownlsit1, in state dropdownlist2 corresponding state will display.

for that how to do with out using autopostback

Manas Mohapatra · Answer

Either you need to use AJAX or update panel(if it is webform). Using AJAX https://www.aspsnippets.com/Articles/AJAX-Cascading-DropDownList-using-jQuery-in-ASP.Net.aspx http://www.dotnetfox.com/articles/ajax-cascading-dropdown-example-with-database-in-Asp-Net-1078.aspx Using Update panel http://alinlam.blogspot.sg/2011/01/cascade-dropdown-list-using-update.html https://gugiaji.wordpress.com/2012/03/12/cascading-dropdownlist-with-asp-net-ajax/

Tonmoy Saha · Answer

$('body').on('change' '#countryid' function () { var path = /controller/actionmethod var countryid= $('#countryid').val(); $.ajax({ url: path data: { countryid: countryid} dataType: json traditional: true success: function (result) { $('#stateid').empty(); $('#stateid').append( Select ); $.each(result function (key value) { $('#stateid').append($( ).val(value.Value).html(value.Text)); }); } }); });

Midhun T P · Answer

Hi You can make use of jquery & Ajax for your requirement. Just follwo below articles - https://www.aspsnippets.com/Articles/AJAX-Cascading-DropDownList-using-jQuery-in-ASP.Net.aspx http://www.aspdotnet-suresh.com/2013/10/jquery-cascading-dropdown-list-in-aspnet.html

Anil Kumar · Answer

Hi Check below article https://www.aspsnippets.com/Articles/Creating-Cascading-DropDownLists-in-ASP.Net.aspx

Ramesh Palanivel · Answer

Hi Narasiman You can do this in client side using javascript or Jquery.. Search in Google.. U can get more examples...