Upload-and-save-insert-multiple-files-to-database using ASP.NET

.

*.aspx

<div>

        <asp:FileUpload ID="FileUpload1" runat="server" />

        <asp:Button ID="Button1" runat="server" Text="Save" OnClick="Button1_Click" />

        <asp:GridView ID="GridView1" runat="server"></asp:GridView>

    </div>

*.cs

protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            this.BindData();
        }
    }

    public void BindData()
    {
        string constr = ConfigurationManager.ConnectionStrings["connecionString"].ConnectionString;
        using (SqlConnection con = new SqlConnection(constr))
        {
            using (SqlCommand cmd = new SqlCommand())
            {
                cmd.CommandText = "SELECT Id, Name FROM images";
                cmd.Connection = con;
                con.Open();
                GridView1.DataSource = cmd.ExecuteReader();
                GridView1.DataBind();
                con.Close();
            }
        }
    }

Button_click Event

foreach (HttpPostedFile postedFile in FileUpload1.PostedFiles)

        {
            string filename = Path.GetFileName(postedFile.FileName);
            string contentType = postedFile.ContentType;
            using (Stream fs = postedFile.InputStream)
            {
                using (BinaryReader br = new BinaryReader(fs))
                {
                    byte[] bytes = br.ReadBytes((Int32)fs.Length);
                    string constr = ConfigurationManager.ConnectionStrings["connecionString"].ConnectionString;
                    using (SqlConnection con = new SqlConnection(constr))
                    {
                        string query = "insert into images values (@Name, @Type, @Data)";
                        using (SqlCommand cmd = new SqlCommand(query))
                        {
                            cmd.Connection = con;
                            cmd.Parameters.AddWithValue("@Name", filename);
                            cmd.Parameters.AddWithValue("@Type", contentType);
                            cmd.Parameters.AddWithValue("@Data", bytes);
                            con.Open();
                            cmd.ExecuteNonQuery();
                            con.Close();
                        }
                    }
                }
            }
        }
        Response.Redirect(Request.Url.AbsoluteUri);

Output: