Adding textField in UIAlertView

UIAlertView* myAlert = [[UIAlertView alloc] initWithTitle:@"Enter Name" message:@"Enter Name
" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil];

[myAlert addTextFieldWithValue:@"" label:@"name-age"];
myTextField = [myAlert textFieldAtIndex:0];
myTextField.clearButtonMode = UITextFieldViewModeWhileEditing;
myTextField.keyboardType = UIKeyboardTypeAlphabet;
myTextField.keyboardAppearance = UIKeyboardAppearanceAlert;
myTextField.autocapitalizationType  = UITextAutocapitalizationTypeWords;
myTextField.autocorrectionType = UITextAutocapitalizationTypeNone;
myTextField.textAlignment = UITextAlignmentCenter;

[myAlert show];
[myAlert release];