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copied!<p><strong>VERSION #1</strong></p> <pre><code>NSMutableDictionary *textFieldsDictionary = [NSMutableDictionary dictionary]; // SPOt THe DIFFERENCE HERE CGFloat txt_Pos_Y =20; for (int j=0; j<20; j++) { UITextField *txtField = [[UITextField alloc] initWithFrame:CGRectMake(110, txt_Pos_Y, 100, 15)]; txtField.borderStyle = UITextBorderStyleRoundedRect; txtField.font = [UIFont systemFontOfSize:11]; txtField.tag = j; txtField.placeholder = @"Enter Value"; txtField.autocorrectionType = UITextAutocorrectionTypeNo; txtField.keyboardType = UIKeyboardTypeDefault; txtField.returnKeyType = UIReturnKeyDone; txtField.clearButtonMode = UITextFieldViewModeWhileEditing; txtField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter; txtField.delegate = self; [scrollView addSubview:txtField]; [textFieldsDictionary setObject:txtField forKey:[NSString stringWithFormat:@"%d", j]]; // SPOT THE DIFFERENCE HERE [txtField release]; } </code></pre> <p>and:</p> <pre><code>-(void)CalculateMethod{ UITextField *txtField = [textFieldsDictionary valueForKey:[NSString stringWithFormat:@"%d", 1]]; double a = 3.1415f; txtField.text = [[NSString alloc] initWithFormat:@"%.4f", a]; } </code></pre> <hr> <p><strong>VERSION #2</strong></p> <p>you should change this method only.</p> <pre><code>-(void)CalculateMethod{ UITextField *txtField = nil; for (id temporarySubView in scrollView.subviews) { if ([temporarySubView isKindOfClass:[UITextField class]]) { if (((UITextField *)temporarySubView).tag == 1) { txtField = temporarySubView; break; } } } double a = 3.1415f; txtField.text = [[NSString alloc] initWithFormat:@"%.4f", a]; } </code></pre>

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