Label visibility by condition on GridView RowDataBound using C# in ASP.Net

i want if condition is true than enable one label and for all other show label for all other 

at .cs page

protected void GridView6_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        Label lblpend = (Label)e.Row.FindControl("lblpenmdi");
        c.cmd.CommandText = "select * from cgrs_feedback where mddos is null and status=1 and assignofficer is not null";
        c.da.Fill(c.ds3, "pendmd");
        if (c.ds3.Tables["pendmd"].Rows.Count > 0)
        {

            lblpend.Visible = true;
        }
    }
}

at aspx page

<asp:TemplateField HeaderStyle-Font-Names="Arial" HeaderStyle-Font-Size="12px" HeaderStyle-ForeColor="Black"
    HeaderText="MD Report">
    <ItemTemplate>
        <asp:Label ID="lblcommdi" runat="server" Font-Bold="True" Font-Names="Arial" Font-Size="12px"
            Text="completed" ForeColor="maroon" Visible="false"> </asp:Label>
        <a href='feedback.aspx?mdi=<%#Eval("f_id") %>' target="_blank">
            <asp:Label ID="lblpenmdi" runat="server" Font-Bold="True" Font-Names="Arial" Font-Size="12px"
                Text="Pending" ForeColor="maroon" Visible="false"> </asp:Label></a>
    </ItemTemplate>
    <ControlStyle Width="50px" />
    <HeaderStyle Font-Names="Arial" Font-Size="12px" ForeColor="white" />
</asp:TemplateField>