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Gets or sets a value indicating whether a vertical page header, if defined (see remarks), should be printed on the first of the horizontal pages spanned by the current table.
public bool VertPageHeaderOnFirstPage { get; set; }
To define a vertical page header, create a column group on the current table, and mark it as a page or column header, e.g. like this:
RenderTable rt = new RenderTable();
rt.ColGroups[0, 2].Header = TableHeaderEnum.All;