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Gets or sets whether gridlines are exported when saving to HTML.
The default value is false.
public bool ExportGridlines { get; set; }
Public Property ExportGridlines As Boolean
HtmlSaveOptions options = new HtmlSaveOptions();
options.ExportGridlines = true;
bool exportGridlines = options.ExportGridlines;
using MemoryStream stream = new MemoryStream();
workbook.Save(stream, options);