How to store a video to sql database

<asp:FileUpload ID="FileUpload1" runat="server" />
   <asp:Button ID="btnUploadVideo" runat="server" Text="Upload"
     OnClick="btnUploadVideo_Click" />
     <br />

protected void btnUploadVideo_Click(object sender, EventArgs e)
    {
        // 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 ".avi":
                contenttype = "video/avi";
                break;
            case ".mp4":
                contenttype = "video/mp4";
                break;
            case ".wmv":
                contenttype = "video/wmv";
                break;

        }
        if (contenttype != String.Empty)
        {

            Stream fs = FileUpload1.PostedFile.InputStream;
            BinaryReader br = new BinaryReader(fs);
            Byte[] bytes = br.ReadBytes((Int32)fs.Length);

            //insert the file into database

            string strQuery = "insert into VIDEO(Video)" +
               " values (@Video)";
            SqlCommand cmd = new SqlCommand(strQuery);
            //cmd.Parameters.Add("@Candidate_Image", SqlDbType.VarChar).Value = filename;
            //cmd.Parameters.Add("@ContentType", SqlDbType.VarChar).Value
            //  = contenttype;
            cmd.Parameters.Add("@Video", SqlDbType.Binary).Value = bytes;
            InsertUpdateData(cmd);
            lblMessage.ForeColor = System.Drawing.Color.Green;
            lblMessage.Text = "Video is Uploaded Successfully";
        }
        else
        {
            lblMessage.ForeColor = System.Drawing.Color.Red;
            lblMessage.Text = "File format not recognised." +
              " Upload Audio/avi/mp4/wmv formats";
        }
    }

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