How to display binary images from database - How to view images from database - view binary images - asp.net c# - How to download file from database

protected void FetchImage(object sender, EventArgs e)

{

    string id = ddlImages.SelectedItem.Value;

    Image1.Visible = id != "0";

    if (id != "0")

    {

        byte[] bytes = (byte[])GetData("SELECT Data FROM tblFiles WHERE Id =" + id).Rows[0]["Data"];

        string base64String = Convert.ToBase64String(bytes, 0, bytes.Length);

        Image1.ImageUrl = "data:image/png;base64," + base64String;

    }

}

ref:- https://www.aspsnippets.com/Articles/660/Display-image-from-database-in-Image-control-without-using-Generic-Handler-in-ASPNet/