title: How to close one FORM from another FORM in C# Winform Application
body: <p>I'm working on C# winform application, in that I want to close one form from the another form i.e. I have 2 forms Form1 and Form2 and I want to close Form2 from Form1 for that I have written following code on button click event of Form1, but I'm getting the following exception-</p>
  
  <blockquote>
    <p><em>"Object reference not set to an instance of an object."</em></p>
  </blockquote>
  
  <pre><code>private void button_click(object sender, eventArgs e)
  {
       Form2.ActiveForm.Disposed+= new EventHandler(closeForm2) // Getting Exception to ***closeForm2***
  }
  
  private void closeForm2(object sender, eventArgs e)
  {
        Form2.ActiveForm.Dispose();
  }
  </code></pre>