Answers for "change the selected value in dropdown using jquery"

jquery select change get selected value

$('select').on('change', function() {
  alert( this.value );
});

change value of drop down using jquery

$('#ddlID').val('New_OptionValue').change()

change value on selected jquery

<select onchange="getval(this);">
    <option value="1">One</option>
    <option value="2">Two</option>
</select>
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