passing both date and time in a HyperLinkField.DataNavigateUrlFormatString Property

I have the following hyperlinkfield and currently I’m passing just the date, but I need to pass both the date and the time from the field in my datagridview. Can someone please assist:

 <asp:HyperLinkField DataTextField="OnCallStart" HeaderText="OncallStart" DataNavigateUrlFields="SchedName,OncallStart" DataNavigateUrlFormatString="\\website1\\Default2.aspx?schedname={0}&amp;date={1:d}" SortExpression="OnCallStart" />

Thank you

Doug

Just add the time as another querystring parameter. The format is up to you