title: Need to automatically Highlight the keywords in the text box using code behind c#
body: <p>I m retrieving a text from SQL DB based on the Search criteria i give and displaying in the Textbox in asp.net. I need to highlight the words given in the search criteria in the displayed text.</p>
  
  <p>For example : If i give "need" all the word "need" in textbox that is retrieved and  displayed should be highlight in yellow color. Provide me some code snippets too. </p>