public static Guid GetGuidMandatory(this IXLCell cell)
{
var value = cell.GetGuidOrDefault();
if (value.Empty() || value.HasValue == false)
{
ThrowValueExpectedException <Guid>(cell);
}
return(value.Value);
}
public Guid?GetGuidOrDefault()
{
return(_cell.GetGuidOrDefault());
}