save the image in Database using file uploder

<asp:GridView ID="GridView1" runat="server" Width="245px" AutoGenerateColumns="False"
                       DataKeyNames="id" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDeleting="GridView1_RowDeleting"
                       OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating"
                       onrowdatabound="GridView1_RowDataBound">
                       <Columns>
                           <asp:BoundField DataField="name" HeaderText="name" NullDisplayText="no data" SortExpression="name" />
                           <asp:TemplateField HeaderText="name">
                               <%--  <ItemTemplate>
                                   <asp:Label ID="Label2" runat="server" Text='<%# Eval("name") %>'></asp:Label>
                               </ItemTemplate>--%>
                               <EditItemTemplate>
                                   <asp:TextBox ID="TextBox4" runat="server" Text='<%# Eval("name") %>'></asp:TextBox>
                               </EditItemTemplate>
                           </asp:TemplateField>
                           <asp:TemplateField HeaderText="age">
                               <ItemTemplate>
                                   <asp:Label ID="Label3" runat="server" Text='<%# Eval("age") %>'></asp:Label>
                               </ItemTemplate>
                               <EditItemTemplate>
                                   <asp:TextBox ID="TextBox5" runat="server" Text='<%# Eval("age") %>'></asp:TextBox>
                               </EditItemTemplate>
                           </asp:TemplateField>
                           <asp:TemplateField HeaderText="img">
                               <ItemTemplate>
                                   <asp:Image ID="Image1" runat="server" ImageUrl='<%# Eval("iname") %>' Width="30" />
                               </ItemTemplate>
                               <EditItemTemplate>
                                   <asp:FileUpload ID="FileUpload2" ImageUrl='<%# Eval("iname") %>' runat="server" />
                               </EditItemTemplate>
                           </asp:TemplateField>
                           <asp:TemplateField HeaderText="edit">
                               <ItemTemplate>
                                   <asp:LinkButton ID="LinkButton1" runat="server" CommandName="Edit">Edit</asp:LinkButton>
                               </ItemTemplate>
                               <EditItemTemplate>
                                   <asp:LinkButton ID="LinkButton2" runat="server" CommandName="update">update</asp:LinkButton>
                                   <asp:LinkButton ID="LinkButton3" runat="server" CommandName="cancel">cancel</asp:LinkButton>
                               </EditItemTemplate>
                           </asp:TemplateField>
                       </Columns>
                   </asp:GridView>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.IO;
using System.Drawing;
using Image = System.Drawing.Image;
using System.Drawing.Drawing2D;

protected void Button1_Click(object sender, EventArgs e)
    {
SqlCommand cmd = new SqlCommand("tblname", con);
       cmd.CommandType = CommandType.StoredProcedure;
       cmd.Parameters.AddWithValue("@id", "");
       cmd.Parameters.AddWithValue("@name", TextBox1.Text);
       cmd.Parameters.AddWithValue("@age", TextBox2.Text);

       string username = TextBox1.Text;
       string fp = Path.GetFullPath(FileUpload1.PostedFile.FileName);//Get File Path
       string extension = Path.GetExtension(fp);//Get File extension
       string result = Path.ChangeExtension(extension, ".jpeg");
       FileUpload1.SaveAs(Server.MapPath("~/uplodes/") + username + result);
       //  E:/examples/db/uplodes
       string urlname = "/db/uplodes/" + username + ".jpeg";
       cmd.Parameters.AddWithValue("@iname", urlname);
       cmd.Connection = con;
       try
       {
           con.Open();
           cmd.ExecuteNonQuery();
       }
       catch (Exception ex)
       {
           Response.Write("this error is " + ex.Message);
       }
       finally
       {
           con.Close();
       }
}