Save and Display Image / Video on database

  //Create Class

public class Common
    {
 public string ViewImage(byte[] arrayImage)
        {
            return "data:image/png;base64," + Convert.ToBase64String(arrayImage, 0, arrayImage.Length);
        }

        public string ViewVideo(byte[] arrayImage)
        {
            return "data:video/mp4;base64," + Convert.ToBase64String(arrayImage, 0, arrayImage.Length);
        }

 //****
        public String ConvertImageURLToBase64(String url)
        {
            StringBuilder _sb = new StringBuilder();
            Byte[] _byte = this.GetImage(url);
            _sb.Append(Convert.ToBase64String(_byte, 0, _byte.Length));
            return _sb.ToString();
        }

        public byte[] GetImage(string url)
        {
            Stream stream = null;
            byte[] buf;

            try
            {
                WebProxy myProxy = new WebProxy();
                HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

                HttpWebResponse response = (HttpWebResponse)req.GetResponse();
                stream = response.GetResponseStream();

                using (BinaryReader br = new BinaryReader(stream))
                {
                    int len = (int)(response.ContentLength);
                    buf = br.ReadBytes(len);
                    br.Close();
                }

                stream.Close();
                response.Close();
            }
            catch (Exception exp)
            {
                buf = null;
            }

            return (buf);
        }
}
//************************** html code *************

Show image by url

 <img src="@cm.ViewImage( cm.GetImage("https://www.aswtech.in/Content/Home/images/slider/fraction/3.png"))" width="300px" height="200px" alt="Alternate Text" /> 

Show Image /Vidwo From Database

 <video   src='@cm.ViewVideo((byte[])dt.Rows[i]["XDATA"])' controls="true"  width="400" height="350" loop="true"/>


 <img src="@cm.ViewImage((byte[])dt.Rows[i]["XDATA"])" width="300px" height="200px" alt="Alternate Text" /> 

Database Table

CREATE TABLE [dbo].[PROMOTION](
[SRNO] [int] IDENTITY(1,1) NOT NULL,
[TDATE] [datetime] NULL,
[XDATA] [varbinary](max) NULL
)

Convert uploaded File to bytes  array
 public ActionResult AddPromotion(FormCollection frm, HttpPostedFileBase file1)
        {

byte[] bytes = null;
       
            if (file1 != null)
            {
                  path = Path.GetFileName(file1.FileName);


                using (BinaryReader br = new BinaryReader(file1.InputStream))
                {
                    bytes = br.ReadBytes(file1.ContentLength);
                }
            }
//Save bytes to database

}