xcode - iphone textfield focus clears the value -

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I have 4 textfields in a single screen. I think all the text fields have some text in it when I focus on a text field / click If I do, the value already entered in the textfield disappears. How can I restrict this behavior? any idea?

Thank you, TF

Check Interface Builder

if If you are not using the interface builder, you can find the name of the property responsible for this behavior in the document.

Edit: I saw it for you property called 

  clearsOnBeginEditing

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