How to bind the datagrid for textboxes in another datagrid

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VB

Below i have grid showing colors

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
       Dim clrname() = {"White", "Yellow Orange", "Sunglow", "Inchworm", "Mountain Meadow", "Fuzzy Wuzzy", "Mahogany"}
       Dim clr() = {"#ffffff", "#ffae42", "#ffcf48", "#b2ec5d", "#30ba8f", "#cc6666", "#cd4a4c"}



       Dim dt As New Data.DataTable
       dt.Columns.Add("Colour")
       For i As Integer = 0 To clr.Length - 1
           dt.Rows.Add(clr(i))
       Next
       GridView1.DataSource = dt
       GridView1.DataBind()


       For i As Integer = 0 To clr.Length - 1
           Dim t As Button = GridView1.Rows(i).FindControl("Button2")
           Dim nm As String = clr(i)
           t.BackColor = Drawing.Color.FromName(nm)
           t.Attributes.Add("OnClick", "return colour(this);")
           t.Text = clrname(i)
       Next

   End Sub

Grid Displaying colors

<asp:GridView ID="GridView1" BorderStyle="solid" BorderColor="black" BorderWidth="1px"  runat="server" AutoGenerateColumns="False">
         <Columns>


             <asp:TemplateField HeaderText="Color">
             <ItemTemplate >

               <asp:Button ID="Button2" style="border:solid 1px black;width:100px;height:30px;cursor:pointer" runat="server" Text="" />
             </ItemTemplate>
             </asp:TemplateField>
         </Columns>


     </asp:GridView>

in Grid textbox i need to display above grid so that i can select color

<asp:GridView ID="GridView2" BorderStyle="solid" BorderColor="black" BorderWidth="1px"  runat="server" AutoGenerateColumns="True">
            <Columns>
            <asp:TemplateField HeaderText="ColorBox">
                <ItemTemplate >
               <asp:TextBox ID="TextBox1"  runat="server" class=""  BorderColor="White" Height="20px" Width="102px"></asp:TextBox>&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<br />

                </ItemTemplate>
                </asp:TemplateField>
            </Columns>


</asp:GridView>