Run Report in required format and attached in Note Section

function generateReport() {

    if (Xrm.Page.getAttribute("createattachment").getValue() == false) {

        var reportName = Xrm.Page.getAttribute("Report_name").getValue();

        var reportGuid = Xrm.Page.getAttribute("Reportid").getValue();

        var pth = Xrm.Page.context.getClientUrl() + "/CRMReports/rsviewer/reportviewer.aspx";

        var retrieveEntityReq = new XMLHttpRequest();

        retrieveEntityReq.open("POST", pth, false);

        retrieveEntityReq.setRequestHeader("Accept", "*/*");

        retrieveEntityReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

        retrieveEntityReq.onreadystatechange = function() {

            if (retrieveEntityReq.readyState == 4 && retrieveEntityReq.status == 200) {

                var x = retrieveEntityReq.responseText.lastIndexOf("ReportSession=");

                var y = retrieveEntityReq.responseText.lastIndexOf("ControlID=");

                var ret = new Array();

                ret[0] = retrieveEntityReq.responseText.substr(x + 14, 24);

                ret[1] = retrieveEntityReq.responseText.substr(y + 10, 32);

                convertToDocument(ret);

            };

        };

        retrieveEntityReq.send("id=%7B" + reportGuid + "%7D&uniquename=" + Xrm.Page.context.getOrgUniqueName() + "&iscustomreport=true&reportnameonsrs=&reportName=" + reportName + "&isScheduledReport=false");

    }

}

function convertToDocument(responseSession) {

    var retrieveEntityReq = new XMLHttpRequest();

    var format = Xrm.Page.getAttribute("reportformat").getValue();

    var pth = Xrm.Page.context.getClientUrl() + "/Reserved.ReportViewerWebControl.axd?ReportSession=" + responseSession[0] + "&Culture=1033&CultureOverrides=True&UICulture=1033&UICultureOverrides=True&ReportStack=1&ControlID=" + responseSession[1] + "&OpType=Export&FileName=Public&ContentDisposition=OnlyHtmlInline&Format=" + reportAttributes(format).urlAttribute;

    retrieveEntityReq.open("GET", pth, true);

    retrieveEntityReq.setRequestHeader("Accept", "*/*");

    retrieveEntityReq.responseType = "arraybuffer";

    retrieveEntityReq.onreadystatechange = function() {

        if (retrieveEntityReq.readyState == 4 && retrieveEntityReq.status == 200) {

            var binary = "";

            var bytes = new Uint8Array(this.response);

            for (var i = 0; i < bytes.byteLength; i++) {

                binary += String.fromCharCode(bytes[i]);

            }

            var bdy = btoa(binary);

            createNote(bdy, format);

        };

    };

    retrieveEntityReq.send();

}

function createNote(data, format) {

    var note = {};

    var recordId = Xrm.Page.data.entity.getId();

    recordId = recordId.replace('{', '').replace('}', '');

    var RecordNumber = Xrm.Page.getAttribute("reportname").getValue()

    var refScheduleReports = new Object();

    refScheduleReports.LogicalName = "schedulereports";

    refScheduleReports.Id = recordId;

    note.ObjectId = refScheduleReports;

    note.ObjectTypeCode = refScheduleReports.LogicalName;

    note.Subject = "Report: " + RecordNumber;

    note.NoteText = "Report Attachment";

    note.MimeType = reportAttributes(format).mimeTypeAttribute;

    note.DocumentBody = data;

    note.FileName = RecordNumber + reportAttributes(format).fileNameAttribute;

    SDK.REST.createRecord(

        note,

        "Annotation",

        function(result) {

            Xrm.Page.getAttribute("createattachment").setValue(true);

            Xrm.Page.getAttribute("sendemail").setValue(true);

            Xrm.Page.data.entity.save();

        },

        function(error) {

            alert(error.message);

        },

        true

    );

}

function reportAttributes(format) {

    var reportObject = {};

    reportObject["urlAttribute"] = "";

    reportObject["mimeTypeAttribute"] = "";

    reportObject["fileNameAttribute"] = "";

    if (format == "Excel") {

        reportObject.urlAttribute = "EXCELOPENXML";

        reportObject.mimeTypeAttribute = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";

        reportObject.fileNameAttribute = ".xlsx";

    } else if (format == "PDF") {

        reportObject.urlAttribute = "PDF";

        reportObject.mimeTypeAttribute = "application/pdf";

        reportObject.fileNameAttribute = ".pdf";

    }

    return reportObject;

}