loadReport(){

    this.spinner.show();

    //////// /////////////// /////////////////////
    this.api.loadReport(this.filterVM)
    .subscribe(res => {
      console.log(res);
      this.spinner.hide();

      ////// //////////////////////////
      this.saveByteArray("Report.pdf", res);
      ////////// /////////////////////

    }, err => {
      console.log(err);
      this.spinner.hide();
    });
    ///// ///////////// //////////////////////////

  }

 saveByteArray(reportName, byte) {
    var blob = new Blob([byte], {type: "application/pdf"});
    var link = document.createElement('a');
    link.href = window.URL.createObjectURL(blob);
    var fileName = reportName;
    link.download = fileName;
    link.click();
  };