[Solved] Column Total not displaying in ASP.Net Repeater Footer

Hi

Totals not getting displayed in Footer

<table class='table table-bordered datatable-fixed-left datatable-button-html5-basic' id='tbldata'>
    <thead>
        <tr>
            <th>#</th>
            <th>Student Name</th>
            <th>Delivered</th>
            <th>Returned</th>
            <th>Balance</th>
        </tr>
    </thead>
    <tbody>
        <asp:Repeater ID="rptData" runat="server" OnItemDataBound="rptData_ItemDataBound">
            <ItemTemplate>
                <tr>
                    <td>
                        <asp:Literal ID="ltrlNum" Text="<%# Convert.ToString(Container.ItemIndex + 1) %>" runat="server"></asp:Literal>
                    </td>
 
                    <td>
                        <asp:Label ID="lblStudentName" runat="server" Text='<%# Eval("Name") %>'>  </asp:Label></td>
                    <td>
                        <asp:Label ID="lblDelivered" runat="server" Text='<%# Eval("Delivered") %>'>   </asp:Label></td>
                    <td>
                        <asp:Label ID="lblReturned" runat="server" Text='<%# Eval("Returned") %>'> </asp:Label></td>
                    <td>
                        <asp:Label ID="lblBalance" runat="server" Text=''></asp:Label></td>
                </tr>
            </ItemTemplate>
            <FooterTemplate>
                <tr>
                    <td></td>
                    <td>Total</td>
                    <td><asp:Label ID="lblDeliveredTotal" runat="server" /></td>
                    <td><asp:Label ID="lblReturnedTotal" runat="server" /></td>
                    <td><asp:Label ID="lblBalanceTotal" runat="server" /></td>
                </tr>
                </table>
            </FooterTemplate>
        </asp:Repeater>
    </tbody>
</table>

protected void rptData_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
    try
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            RepeaterItem rptitem = e.Item;
 
            int sumOfTwocolumn = Convert.ToInt32(((Label)e.Item.FindControl("lblDelivered")).Text) -
            Convert.ToInt32(((Label)e.Item.FindControl("lblReturned")).Text);
 
            totDelivered += Convert.ToInt32(((Label)e.Item.FindControl("lblDelivered")).Text);
            totReturned += Convert.ToInt32(((Label)e.Item.FindControl("lblReturned")).Text);
 
            ((Label)e.Item.FindControl("lblBalance")).Text = Convert.ToString(sumOfTwocolumn);
 
            if (e.Item.ItemType == ListItemType.Footer)
            {
                ((Label)e.Item.FindControl("lblDeliveredTotal")).Text = "Total : ";
                ((Label)e.Item.FindControl("lblReturnedTotal")).Text = totDelivered.ToString();
                ((Label)e.Item.FindControl("lblBalanceTotal")).Text = totReturned.ToString();
            }
        }
    }
    catch (Exception ex)
    {
        Utility.SaveErrorLog(ex.Message, System.IO.Path.GetFileName(Request.Path), System.Reflection.MethodBase.GetCurrentMethod().Name, Convert.ToInt32(hdfLoginCode.Value));
        ShowMessage("Oops...", ex.Message, "error");
    }
}