How to Add fields in to Popup window from my Grid view values

<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.9/jquery-ui.js" type="text/javascript"></script>
<link href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.9/themes/start/jquery-ui.css"
    rel="stylesheet" type="text/css" />
<script type="text/javascript">
    $("[id*=btnPopup]").live("click", function () {
        $("#dialog").dialog({
            title: "Treatments Details",
            buttons: {
                Close: function () {
                    $(this).dialog('close');
                }
            }
        });
        return false;
    });
</script>

<div id="dialog" style="display: none">
    <asp:Panel ID="Panel2" runat="server" CssClass="style3" align="center" Height="219px"
        Width="500px">
        <table cellspacing="4" class="style2">
            <tr style="background-color: #33CC66">
                <td colspan="2" align="center">
                    Treatments Details
                </td>
            </tr>
            <tr>
                <td align="center" style="width: 80%">
                    Treatments ID:
                </td>
                <td>
                    <%--<asp:Label ID="lblTID" runat="server">--%>
                    <asp:TextBox ID="TextBox1" runat="server" />
                </td>
            </tr>
            <tr>
                <td align="center">
                    Treatments Title:
                </td>
                <td>
                    <asp:TextBox ID="TextBox2" runat="server" />
                </td>
            </tr>
            <tr>
                <td align="center">
                    Treatments Description:
                </td>
                <td>
                    <asp:TextBox ID="TextBox3" runat="server" TextMode="MultiLine" />
                </td>
            </tr>
            <tr>
                <td align="center">
                    Date:
                </td>
                <td>
                    <asp:TextBox ID="TextBox4" runat="server" />
                </td>
            </tr>
            <tr>
                <td align="center">
                    Image Path:
                </td>
                <td>
                    <asp:TextBox ID="TextBox5" runat="server" />
                </td>
            </tr>
            <tr>
                <td align="center">
                    <asp:Button ID="Button1" CommandName="Update" runat="server" Text="Update Data" />
                </td>
                <td>
                    <asp:Button ID="Button2" runat="server" Text="Cancel" />
                </td>
            </tr>
        </table>
    
</div>
<asp:Button ID="btnPopup" runat="server" Text="View" />
<pre lang="HTML">

<asp:GridView ID="Grdtreatments" runat="server" AutoGenerateColumns="False" OnRowCommand="Grdtreatments_RowCommand"
            CssClass="style1" AllowPaging="True" AlternatingRowStyle-CssClass="alt" PagerStyle-CssClass="pgr"
            Width="100%" ForeColor="Black" Height="298px" CellSpacing="1">
            <HeaderStyle BackColor="#993333" CssClass="dgHeaderStyle" Font-Bold="True" Font-Italic="False"
                Font-Overline="False" Font-Size="Medium" Font-Strikeout="False" Font-Underline="False" />
            <alternatingrowstyle cssclass="alt"></alternatingrowstyle>
            <columns>
                <asp:TemplateField HeaderText="Treatments ID">
                    <itemtemplate>
                        <asp:Label ID="TID" runat="server" Text='<%# Eval("TID") %>'>
                    </itemtemplate>
                
                <asp:TemplateField HeaderText="Title">
                    <itemtemplate>
                        <asp:Label ID="Title" runat="server" Text='<%# Eval("Title") %>'>
                    </itemtemplate>
                
                <asp:TemplateField HeaderText="Description">
                    <itemtemplate>
                        <asp:Label ID="Description" runat="server" Text='<%# Eval("Description") %>'>
                    </itemtemplate>
                
                <asp:TemplateField>
                    <itemtemplate>
                        <asp:LinkButton ID="LinkView" runat="server" CommandName="Select" Text="View" OnClick="LinkView_Click">
                    </itemtemplate>
                
                <asp:TemplateField>
                    <itemtemplate>
                        <asp:HyperLink ID="HyperLinkEdit" runat="server" NavigateUrl='<%#"TreatmentsDetails.aspx?ID="+Eval("TID")%>'
                            Target="_blank" Text="Edit">
                    </itemtemplate>
                
                <asp:TemplateField>
                    <itemtemplate>
                        <asp:Button ID="HyperLinkDelete" runat="server" Text="Delete" CommandArgument='<%# Eval("TID") %>'
                            CommandName="Vdelete" OnClientClick="return ConfirmOnDelete('');" />
                    </itemtemplate>
                
            </columns>
            <pagerstyle cssclass="pgr"></pagerstyle>
        <pre lang="c#">