Asp.Net CSRF      Step 1: Add this code in master page, if there is no master page than add it in page.  //This is code is to generate the random token  protected void Page_Init(Object sender, EventArgs e)          {              if (!IsPostBack)              {                  var pageName = Path.GetFileName(HttpContext.Current.Request.Url.AbsolutePath);                  var pageToken = pageName + "_ID";                  RandomNumberGenerator rng = new RNGCryptoServiceProvider();                  var tokenData = new byte[32];                  rng.GetBytes(tokenData);                  var token = Convert.ToBase64String(tokenData);            ...