以二进制形式插入（存储/保存）FileUpload控制器数据

Question

我正在使用fileupload控制器，并将文件数据保存为数据库表中的二进制文件，但是当我单击Save Changes按钮时它什么也没做，显示没有日志，没有错误，我甚至完全允许IUSR，但仍然不知道什么是什么出错了。这是代码。

客户机侧

<div class="form-horizontal">
            <h4>Notifications</h4>
            <hr />

                                <div class="form-group">
                <div class="col-md-10 col-sm-10 col-xs-10">
                    <input id="Title" runat="server" placeholder="Enter Notification Titile" type="text" class="form-control" />
                </div>
            </div>

            <div class="form-group">
                <div class="col-md-10 col-sm-10 col-xs-10">
                    <asp:FileUpload ID="FileUpload1" runat="server" />
                </div>
            </div>

            <div class="form-group">
                <div class="col-md-10 col-sm-10 col-xs-10">
                    <input id="Discription" runat="server" placeholder="Enter Notification Discription" type="text" class="form-control" />
                </div>
            </div>

            <div class="form-group">
                <div class="col-md-10 col-sm-10 col-xs-10">
                    <input id="Date" runat="server" placeholder="Notification Date" type="text" class="form-control" />
                </div>
            </div>

            <asp:label runat="server" ID="Msg"></asp:label>

            <div class="form-group">
                <div class="col-md-10 col-sm-10 col-xs-10">
                    <asp:Button ID="Button1" CssClass="btn btn-primary" Text="Save Changes" runat="server"/>
                </div>
            </div>

        </div>

代码隐藏

        protected void Button1_Click(object sender, EventArgs e)
    {
        DbCon obj = new DbCon();
        SqlConnection con = obj.dbconnection();

        string title = NotificationsTitle.Value;
        string discription = NotificationDiscription.Value;
        string date = NotificationDate.Value;

        // Read the file and convert it to Byte Array

        string filePath = FileUpload1.PostedFile.FileName;

        string filename = Path.GetFileName(filePath);

        string ext = Path.GetExtension(filename);

        string contenttype = String.Empty;

        //Set the contenttype based on File Extension

        switch (ext)
        {

            case ".doc":

                contenttype = "application/vnd.ms-word";

                break;

            case ".docx":

                contenttype = "application/vnd.ms-word";

                break;

            case ".xls":

                contenttype = "application/vnd.ms-excel";

                break;

            case ".xlsx":

                contenttype = "application/vnd.ms-excel";

                break;

            case ".jpg":

                contenttype = "image/jpg";

                break;

            case ".png":

                contenttype = "image/png";

                break;

            case ".gif":

                contenttype = "image/gif";

                break;

            case ".pdf":

                contenttype = "application/pdf";

                break;

        }

        try
        {
            if (contenttype != String.Empty)
            {

                Stream fs = FileUpload1.PostedFile.InputStream;

                BinaryReader br = new BinaryReader(fs);

                Byte[] bytes = br.ReadBytes((Int32)fs.Length);


                con.Open();
                //insert the file into database

                string strQuery = "insert into Notifications(NotificationTitle,NotificationAttachment,NotificationDiscription,NotificationDate,NotificationStatus, NotificationContentType) Values(@title,@data,@dis,@date,@status,@type)";

                SqlCommand cmd = new SqlCommand(strQuery, con);

                cmd.Parameters.AddWithValue("@title", filename);

                cmd.Parameters.AddWithValue("@data", bytes);

                cmd.Parameters.AddWithValue("@dis", discription);

                cmd.Parameters.AddWithValue("@date", date);

                cmd.Parameters.AddWithValue("@status", "ACTIVE");

                cmd.Parameters.AddWithValue("@type", contenttype);

                cmd.ExecuteNonQuery();

                NotificationMsg.Text = "File Uploaded Successfully";

            }

            else
            {

                NotificationMsg.ForeColor = System.Drawing.Color.Red;

                NotificationMsg.Text = "File format not recognised." +

                  " Upload Image/Word/PDF/Excel formats";

            }
        }
        catch (Exception ex)
        {
            NotificationMsg.ForeColor = System.Drawing.Color.Red;

            NotificationMsg.Text = "File format not recognised." + ex.ToString();
        }
        finally
        {
            con.Close();
        }
    }