Play Video in Asp.Net application

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls; 
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data;
using System.Data.SqlClient;
using System.Web;

public partial class video1 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    byte[] buffer;
    protected void Button1_Click(object sender, EventArgs e)
    {
        {
String fileExtension = System.IO.Path.GetExtension(FileUpload1.FileName).ToLower();
byte[] MediaBytes = new byte[FileUpload1.PostedFile.InputStream.Length];
if (FileUpload1.HasFile && FileUpload1.PostedFile != null
&& FileUpload1.PostedFile.FileName != "")
{
HttpPostedFile file = FileUpload1.PostedFile;
buffer = new byte[file.ContentLength];
int bytesReaded = file.InputStream.Read(buffer, 0, FileUpload1.PostedFile.ContentLength);
if (bytesReaded > 0)
{
try
{
SqlConnection conn = new SqlConnection();
conn.ConnectionString = "Data Source=DEEPAK-PC\\SQLEXPRESS;Initial Catalog=NewCrackers;User ID=sa;Password=sasa";
conn.Open();
SqlCommand cmd = new SqlCommand
("INSERT INTO Videos (Video, Video_Name, Video_Size) VALUES (@video, @videoName, @videoSize)", conn);
cmd.Parameters.Add("@video", SqlDbType.VarBinary, buffer.Length).Value = buffer;
cmd.Parameters.Add("@videoName", SqlDbType.NVarChar).Value = FileUpload1.FileName;
cmd.Parameters.Add("@videoSize", SqlDbType.BigInt).Value = file.ContentLength;
using (conn)
{
cmd.ExecuteNonQuery();
Label1.Text = " uploaded ";
conn.Close();
}
}
catch (Exception ex)
{
Label1.Text = ex.Message.ToString();
}
}
}
else
{
Label1.Text = "Choose a valid video file";
}
}
}
}