title: how to use Server.HtmlEncode with textbox in ASP.NET?
body: <p>When i am entering a value like "" in textbox then its throwing following error.
  <img src="https://i.stack.imgur.com/LFXr7.png" alt="enter image description here"></p>
  
  <p>Someone told me to use Server.HTMLencode/Server.HTMLdcode. but i dont know how to use it with textbox. Please help me.</p>