how to save image from a repeater to a database

giving no error but the field are save empty and sql server i take nvarchar data type.my code are given below
protected void btnAdd_Click(object sender, EventArgs e)
{
filldatatable();
clear();
txtSno.Focus();
}
public void filldatatable()
{
string FileName ;
if (ImageUpload.PostedFile != null)
{
string fileExt =
System.IO.Path.GetExtension(ImageUpload.FileName);
// check image extension and size
if ((fileExt == ".jpg" || fileExt == ".gif" || fileExt == ".bmp" || fileExt == ".jpeg" || fileExt == ".png") && ImageUpload.PostedFile.ContentLength < 1048576)
{

FileName = Path.GetFileName(ImageUpload.PostedFile.FileName);
//string itemID = string.Empty;
//Save files to Folder
string savelocation = Server.MapPath("~/ImageStorage/");
string fileExtention = System.IO.Path.GetExtension(ImageUpload.FileName);
//creating filename to avoid file name conflicts.
string fileName = Guid.NewGuid().ToString();
//saving file in savedImage folder.
string savePath = savelocation + FileName;
ImageUpload.SaveAs(savePath);

}
}
DataTable dt = new DataTable();

if (!dt.Columns.Contains("ItemSno"))
{
dt.Columns.Add("ItemSno");
}
if (!dt.Columns.Contains("ItemName"))
{
dt.Columns.Add("ItemName");
}
if (!dt.Columns.Contains("ItemQuantity"))
{
dt.Columns.Add("ItemQuantity");
}

if (!dt.Columns.Contains("ItemPrice"))
{
dt.Columns.Add("ItemPrice");
}
if (!dt.Columns.Contains("ItemTotalPrice"))
{
dt.Columns.Add("ItemTotalPrice");
}
if (!dt.Columns.Contains("ImageUpload"))
{
dt.Columns.Add("ImageUpload");
}
//if (!dt.Columns.Contains("id"))
//{
// dt.Columns.Add("id");
//}
if (Session["datatable"] != null)
{
dt = (DataTable)Session["datatable"];
}
DataRow dr = dt.NewRow();

dr[0] = txtSno.Text;

dr[1] = txtItems.Text;

dr[2] = txtQuantity.Text;

dr[3] = txtPrice.Text;
float price;
float quantity;
float totalprice;
price = float.Parse(txtPrice.Text);
quantity = float.Parse(txtQuantity.Text);
totalprice = price * quantity;
txtTotalPrice.Text = totalprice.ToString();
dr[4] = txtTotalPrice.Text;
dr[5] = ImageUpload.FileName.ToString();
//////////////////////////////////////


dt.Rows.Add(dr);

if (Session["datatable"] == null)
{
Session["datatable"] = dt;
}

Repeater1.DataSource = dt;
Repeater1.DataBind();


}
protected void SaveRecords_Click(object sender, EventArgs e)
{
for (int index = 0; index < Repeater1.Items.Count; index++)
{

Label lblSno = Repeater1.Items[index].FindControl("lblSno") as Label;
Label lblItemName = Repeater1.Items[index].FindControl("lblItemName") as Label;
Label lblItemQuantity = Repeater1.Items[index].FindControl("lblItemQuantity") as Label;
Label lblItemPrice = Repeater1.Items[index].FindControl("lblItemPrice") as Label;
Label lblItemTotalPrice = Repeater1.Items[index].FindControl("lblItemTotalPrice") as Label;
//Image ImageUpload = Repeater1.Items[index].FindControl("ImageUpload") as Image;
//hiddenfield itemname = repeater1.items[index].findcontrol("itemname") as hiddenfield;
string FileName = Path.GetFileName(ImageUpload.PostedFile.FileName);
FileName = Guid.

/////remanig code
////////////
string FileName = Path.GetFileName(ImageUpload.PostedFile.FileName);
FileName = Guid.NewGuid().ToString();

String strConnString = ("Data Source=.;Initial Catalog=PRODUCT;Integrated Security=True");
SqlConnection con = new SqlConnection(strConnString);
string strQuery = "insert into tbl_Product (Sno,ItemName,ItemImage,ItemQuantity,ItemPrice,Total)values('" + lblSno.Text + "','" + lblItemName.Text + "','" + ImageUpload.FileName.ToString() + "','" + lblItemQuantity.Text + "','" + lblItemPrice.Text + "','" + lblItemTotalPrice.Text + "')";
SqlCommand cmd = new SqlCommand(strQuery, con);
con.Open();
cmd.ExecuteNonQuery();
Response.Write("<script>alert('Data Successfully Saved');</script>");

}
}