title: read number from UITextfield
body: <p>I need the user in the interface builder text field to enter a number and i want to read it as number i think the system read it as string and no output
  here is my code if you can kindly assist</p>
  
  <p>in the interface</p>
  
  <pre><code>{
  IBOutlet UITextField *arr_values;}
  
  @property (nonatomic ,retain) IBOutlet UITextField *arr_values;
  </code></pre>
  
  <p>and in the .m file</p>
  
  <pre><code>int inputNumber = [arr_values.text intValue]; 
  NSLog(@"%@",inputNumber);
  </code></pre>
  
  <p>but no output when i enter # in the Interface builder
  with thanks</p>