title: What is the easy way to set all empty string textbox ("") to null value in Csharp winform?
body: <p>Suppose I don't want to use        </p>
  
  <pre><code>if (string.IsNullOrEmpty(textbox1.Text))
  {
       textbox1.Text = null;
  }
  </code></pre>
  
  <p>for every textbox controls in form, is there a easier way to do it ?</p>