javascript - How to add option/ ListItem to dropdownlist dynamically -

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I need to dynamically create my DDL, I get use of JSON from DSB (I any I do not get the problem ) but could not show my data in my DDL ... I tried three different ways, nothing is changing. What am I doing?

// HTML 

  and ATP: dropdown list id = "product ddl" runat = "server" css class = "ddl" & gt; & Lt; / Asp: dropdownlists & gt;

// javascript 

  function creatDDL (data) {var obj = $ .parseJSON (data.Data); (Var i = 0; i & lt; obj.length; i ++) {$ ("# Product DDL") for Attachments ("& lt; Option & gt;" + obj [i] .ID + "'-'" + + obj [i] .name + "& lt; / option & gt;"); $ ("# ProductDDL"). Attachments ("& lt; Option & gt;" + obj [i] .ID + "'-'" + obj [i] .name + "& lt; / Options & gt;"); $ ("# ProductDDL") .andend ($ ("
 
 I like your third attempt in order to handle your data, You just need to brush.  
 Here's a working version of what I'm trying to collect:  
 function createDDL (data) {var options = $ .parseJSON (data.Data ); $ .elect (option, function (n, option) {var $ option = $ ('& lt; option />').text(option.name).val(option.id); $ ("# productDDL" ) .append ($ option);}); }

Object:


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