Forms Data Controls :: Shows A Gridview (headers) Without Having Records?

I have written a code from here http://www.aspsnippets.com/Articles/Display-GridView-with-Empty-Message-and-Header-and-Footer-when-no-data-in-ASP.Net.aspx. I just edited this as follows. this is my gridview code:-

<asp:GridView ID="gvCustomers" runat="server" Width="550px" AutoGenerateColumns="false"
Font-Names="Arial" Font-Size="11pt" AlternatingRowStyle-BackColor="#C2D69B" HeaderStyle-BackColor="green"
AllowPaging="true" PageSize="10">
<Columns>
<asp:BoundField HeaderText="State Name" DataField="StateName" FooterText="Footer" />
<asp:BoundField HeaderText="Organizatio Name" DataField="OrganizatioName" FooterText="Footer" />
<asp:BoundField HeaderText="Partner Name" DataField="PartnerName" FooterText="Footer" />
</Columns>
<AlternatingRowStyle BackColor="#C2D69B" />
<EmptyDataTemplate>
<table cellspacing="0" rules="all" style="font-family: Arial;
font-size: 11pt; width: 550px; border-collapse: collapse;">
<tr style="background-color: Green;">
<th scope="col">
State Name
</th>
<th scope="col">
Organization Name
</th>
<th scope="col">
Partner Name
</th>
</tr>
<tr>
<td colspan = "3" align = "center">
No Data found.
</td>
</tr>
</table>
</EmptyDataTemplate>
</asp:GridView>

and my code file code is as follows
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["contest"].ConnectionString);
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Bind_Grid();
}
}
protected void Bind_Grid()
{
string strSql = "select * from mtblInformation";
SqlCommand com = new SqlCommand(strSql,con);
SqlDataAdapter sda = new SqlDataAdapter(com);
DataTable dt = new DataTable();
sda.Fill(dt);
if (dt.Rows.Count > 0)
{
gvCustomers.DataSource = dt;
gvCustomers.DataBind();
}
}

when in database table have records then gridview binds and its showing records, But when there is no record in DB , instead of showing msgs that "No Data found." gridview doesn't appear.