When i try to make the total sum row bold it does not allow 'for Aspx Summary item; how to make this line bold? 'Attibute Font Bold is not a valid attribute of element aspx Summary item
<TotalSummary>
<dx:ASPxSummaryItem FieldName="InterchangeCount" SummaryType="Sum" />
<%--<dx:ASPxSummaryItem FieldName="Interchanges" SummaryType="Sum" />--%>
<dx:ASPxSummaryItem FieldName="Cost" SummaryType="Sum" />
<dx:ASPxSummaryItem FieldName="30DayCost" SummaryType="Sum" />
<dx:ASPxSummaryItem FieldName="Savings" SummaryType="Sum" Font-Bold="true" />
</TotalSummary>
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