title: How to repair winform element's function call if it is deleted?
body: <p>I am building application in .Net C#. 
  I accidentally double clicked the textbox in my application, and there is a textbox_click function being created, I deleted that function because I dont need it but when I run my application there was a :</p>
  
  <pre><code>Error   1   'Bond_Yield_Calculator.BaseForm' does not contain a definition for 'textBox5_TextChanged' and no extension method 'textBox5_TextChanged' accepting a first argument of type 'Bond_Yield_Calculator.BaseForm' could be found (are you missing a using directive or an assembly reference?)   C:\Users\Alex Chan\documents\visual studio 2010\Projects\Bond Yield Calculator\Bond Yield Calculator\BaseForm.Designer.cs   139 77  Bond Yield Calculator
  </code></pre>
  
  <p>error, how do I fix this?</p>