problem with image insert

Question

Hai friends, i m trying to insert the imagepath in to database and images in projec folder.the images path are succesfully inserted in to database,but those images are not  saved in my project folder ,if i'm trying to add the same images to the folder which is project ,then i got confirmaton message for re writting images.my code is like this..and every tym i run the following code the details are inserted in to databse twice


in aspx page


<%@ Page Title="newusercreation" Language="C#" MasterPageFile="~/master.Master" AutoEventWireup="true" CodeBehind="admim-newuser.aspx.cs" Inherits="ApComapaign.admim_newuser" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    <table class="style1">
        <tr>
            <td style="width: 238px">
                name</td>
            <td>
                <asp:TextBox ID="txtnameC" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                image</td>
            <td>
                <asp:FileUpload ID="FileUploadC" runat="server" />
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                role</td>
            <td>
                <asp:DropDownList ID="ddlCRole" runat="server">
                <asp:ListItem Text="MLA"></asp:ListItem>
                <asp:ListItem Text="MP"></asp:ListItem>
                </asp:DropDownList>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                party</td>
            <td>
                <asp:DropDownList ID="ddlCparty" runat="server">
                <asp:ListItem Text="congress"></asp:ListItem>
                <asp:ListItem Text="TDp"></asp:ListItem>
                <asp:ListItem Text="YSRCP"></asp:ListItem>
                <asp:ListItem Text="AIMIM"></asp:ListItem>
                <asp:ListItem Text="loksatta"></asp:ListItem>
                <asp:ListItem Text="CPI(M)"></asp:ListItem>
                <asp:ListItem Text="TRS"></asp:ListItem>
                <asp:ListItem Text="BJP"></asp:ListItem>
               

                </asp:DropDownList>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                area</td>
            <td>
                <asp:TextBox ID="txtarea" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                district</td>
            <td>
                <asp:TextBox ID="txtdis" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                fblink</td>
            <td>
                <asp:TextBox ID="txtfb" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                blog</td>
            <td>
                <asp:TextBox ID="txtblog" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                twitter</td>
            <td>
                <asp:TextBox ID="txttwitt" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                wiki</td>
            <td>
                <asp:TextBox ID="txtwiki" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                website</td>
            <td>
                <asp:TextBox ID="txtweb" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td style="width: 238px">
                &nbsp;</td>
            <td>
                <asp:Button ID="btninsert" runat="server" Text="check and insert "
                    CausesValidation="False" onclick="btninsert_Click"    />
            </td>
        </tr>
    </table>
</asp:Content>



my .CS code is




using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.IO;


namespace ApComapaign
{
    public partial class admim_newuser : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btninsert_Click(object sender, EventArgs e)
        {

            string filename = Path.GetFileName(FileUploadC.PostedFile.FileName);

            FileUploadC.SaveAs(Server.MapPath("Images-candidates/" + filename));
            string constring = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
            SqlCommand cmd = new SqlCommand();
            SqlConnection conn = new SqlConnection(constring);
            cmd.Connection = conn;
            conn.Open();

            cmd.CommandText = "SP_detailsmain";
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("name",txtnameC.Text);
            cmd.Parameters.AddWithValue("image", FileUploadC.FileName);
            cmd.Parameters.AddWithValue("role",ddlCRole.Text);
            cmd.Parameters.AddWithValue("party",ddlCparty.Text);
            cmd.Parameters.AddWithValue("area",txtarea.Text);
            cmd.Parameters.AddWithValue("district",txtdis.Text);
            cmd.Parameters.AddWithValue("fblink",txtfb.Text);
            cmd.Parameters.AddWithValue("blog",txtblog.Text);
            cmd.Parameters.AddWithValue("twitter",txttwitt.Text);
            cmd.Parameters.AddWithValue("wiki",txtwiki.Text);
            cmd.Parameters.AddWithValue("website",txtweb.Text);

            SqlDataAdapter da = new SqlDataAdapter();
            DataSet ds = new DataSet();
            da.SelectCommand = cmd;
            da.Fill(ds);
            cmd.ExecuteNonQuery();
            conn.Close();

        }
    }
}

can any one tell me where is the bug is

Thanks and Regards