How to set Session Date as default sort

Question

Hi

  I have below code . I want to set Session Date as default sort

<table class='table table-bordered table-hover datatable-highlight' id='tbldata'>
<thead>
    <tr>

        <th>Segment</th>
        <th>Session Date</th>
        <th>Session Start Time</th>
        <th>Session End Time</th>
        <th>Mentor</th>
        <th class='nosort'>Student</th>
        <th>Session Status</th>
        <th class='text-center nosort' runat="server" id="ActionCtrls">Action</th>
    </tr>
</thead>
<tbody>
    <asp:PlaceHolder ID="PlaceHolderTable" runat="server"></asp:PlaceHolder>
</tbody>
</thead>

Thanks