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Specifies which, if any, automatic text appears in column or row headers.
public enum HeaderAutoText
  Public Enum HeaderAutoText
  | Name | Description | 
|---|---|
| Blank | Does not display any automatic text in the column or row header.  | 
      
| Letters | Displays letters in the column or row headers.  | 
      
| Numbers | Displays numbers in the column or row header.  |