title: how to make textbox text will not disappear on button click event?
body: <p>I have TextBox and button1 on my asp.net webform.</p>
  
  <p>I want when I click button1 then the text on the TextBox will remain the same as it is. It will not disappear, on button click event.</p>
  
  <p>I want vb.net code to do this</p>