How can i save textbox value in Profile and display on datalist label?

[mdfarhan]

<asp:DataList ID="dataList" runat="server">
        <ItemTemplate>
           <table>
              <tr><td><asp:Label ID="lblName" runat="server"></asp:Label></td></tr>
              <tr><td><asp:Label ID="lblEmail" runat="server"></asp:Label></td></tr>
              <tr><td><asp:Label ID="lblMobile" runat="server"></asp:Label></td></tr>
           </table>
        </ItemTemplate>
        </asp:DataList>
    </div>
    <div>
        <table>
            <tr><td>Name:</td><td><asp:TextBox ID="txtName" runat="server"></asp:TextBox></td></tr>
            <tr><td>Email:</td><td><asp:TextBox ID="txtEmail" runat="server"></asp:TextBox></td></tr>
            <tr><td>Mobile:</td><td><asp:TextBox ID="txtMobile" runat="server"></asp:TextBox></td></tr>
            <tr><td></td><td><asp:Button ID="btnSave" runat="server" Text="Save" OnClick="Save_Click"/></td></tr>
        </table>