Upload Multiple Images with different name to Database in ASP.Net

hello sir

how to upload multiple image with different Name

i have done code Upload Multiple Images to Database in ASP.Net

but i want save image in diffrent file name.

this is my code :

string file33 = string.Empty;
int count = 0;
if (FileUpload2.HasFiles)
{
    foreach (HttpPostedFile postedFile in FileUpload2.PostedFiles)
    {
        count = count + 1;
        if (count == 1)
        {
            string filename = Path.GetFileName(postedFile.FileName);

            string fileName3 = Path.GetExtension(FileUpload2.PostedFile.FileName);
            file33 = "K00000" + HiddenField5.Value + "_" + count.ToString() + fileName3;
            file33 = file33.Replace(" ", "");
            file33 = file33.Replace("/", "");
            FileUpload2.SaveAs(Server.MapPath("~/Admin/Product/" + file33));
            string query = "insert into ProductDesignmoreimages (ItemCode, Allimage) values (@ItemCode, @Allimage)";
            using (SqlCommand cmd33 = new SqlCommand(query))
            {
                cmd33.Connection = con;
                con.Open();
                cmd33.Parameters.AddWithValue("@ItemCode", HiddenField5.Value);
                cmd33.Parameters.AddWithValue("@Allimage", "http://cog.kusedesign.com/Admin/Product/" + file33);


                cmd33.ExecuteNonQuery();
                con.Close();
            }
            HiddenField3.Value = "K00000" + HiddenField5.Value + "_" + count.ToString() + fileName3;
        }
    }
}