title: How to select Multiple Item in Dropdown and bind in textbox
body: <p>I am having dropdownlist with some values. If i choose multiple items in dropdown it has to bind in textbox in the format of </p>
  
  <p>ex:</p>
  
  <p>'xxxx','xxxx','xxxx'</p>
  
  <p>Please do the needful</p>
  
  <p>Thanks</p>