export google bar chart in excel c#

Total Patient Visit 

function pageLoad(){ google.load( "visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart); function drawChart() { var data = new
google.visualization.DataTable(); data.addColumn('string', 'Date'); data.addColumn('number', 'Patient');
data.addRows(14);data.setValue( 0,0,'12/1/2014');data.setValue(0,1,2) ;data.setValue(
1,0,'12/2/2014');data.setValue(1,1,4) ;data.setValue( 2,0,'12/3/2014');data.setValue(2,1,2) ;data.setValue(
3,0,'12/4/2014');data.setValue(3,1,2) ;data.setValue( 4,0,'12/5/2014');data.setValue(4,1,2) ;data.setValue(
5,0,'12/6/2014');data.setValue(5,1,1) ;data.setValue( 6,0,'12/7/2014');data.setValue(6,1,18) ;data.setValue(
7,0,'12/8/2014');data.setValue(7,1,2) ;data.setValue( 8,0,'12/9/2014');data.setValue(8,1,2) ;data.setValue(
9,0,'12/10/2014');data.setValue(9,1,8) ;data.setValue( 10,0,'12/16/2014');data.setValue(10,1,6)
;data.setValue( 11,0,'12/18/2014');data.setValue(11,1,1) ;data.setValue(
12,0,'12/18/2014');data.setValue(12,1,1) ;data.setValue( 13,0,'12/19/2014');data.setValue(13,1,1) ;var chart
= new google.visualization.BarChart(document.getElementById('Div_Patient'));chart.draw(data, {width: 400,
height: 300, title: 'No of Patient',hAxis: {title: 'Patient', titleTextStyle: {color: 'green'}},lineWidth: 20});
google.visualization.events.addListener(chart, 'select', function() {var selection = chart.getSelection();var row
= selection[0].row; var col = selection[0].column;var year = data.getValue(row, 0);location.href
='../Report.ascx?date=' + year +'&type=1';});}}

Diseases Diagnostic 

google.load( "visualization", "1", {packages:["corechart"]}); google.setOnLoadCallback(drawChart); function
drawChart() { var data = new google.visualization.DataTable(); data.addColumn('string', 'Date');
data.addColumn('number', 'Disease'); data.addRows(1);data.setValue(
0,0,'12/16/2014');data.setValue(0,1,1) ;var chart = new
google.visualization.BarChart(document.getElementById('DivDisease'));chart.draw(data, {width: 400, height:
300, title: 'No of Disease diagnosed',hAxis: {title: 'Disease', titleTextStyle: {color: 'green'}}});}
Treatment Made 
google.load( "visualization", "1", {packages:["corechart"]}); google.setOnLoadCallback(drawChart); function
drawChart() { var data = new google.visualization.DataTable(); data.addColumn('string', 'Date');
data.addColumn('number', 'Treatment'); data.addRows(3);data.setValue(
0,0,'12/20/2014');data.setValue(0,1,1) ;data.setValue( 1,0,'12/20/2014');data.setValue(1,1,1) ;data.setValue(
2,0,'12/20/2014');data.setValue(2,1,1) ;var chart = new
google.visualization.BarChart(document.getElementById('DivTreatment'));chart.draw(data, {width: 400,
height: 300, title: 'No of Treatment',vAxis: {title: 'Treatment', titleTextStyle: {color: 'green'}},hAxis: {title: 'Date',
titleTextStyle: {color: 'green'}}});}

Common Drug 

google.load( "visualization", "1", {packages:["corechart"]}); google.setOnLoadCallback(drawChart); function
drawChart() { var data = new google.visualization.DataTable(); data.addColumn('string', 'DrugName');
data.addColumn('number', 'Drug'); data.addRows(1);data.setValue( 0,0,'as');data.setValue(0,1,3) ;var chart
= new google.visualization.BarChart(document.getElementById('DivDrug'));chart.draw(data, {width: 400,
height: 300, title: 'No of Drug',vAxis: {title: 'Drug', titleTextStyle: {color: 'green'}},hAxis: {title: 'Drug Name',
titleTextStyle: {color: 'green'}}});}


code 

            Response.ContentType = "application/pdf";
            Response.AddHeader("content-disposition",        "attachment;filename=UserDetails.pdf");
            Response.Cache.SetCacheability(HttpCacheability.NoCache);
            StringWriter sw = new StringWriter();
            HtmlTextWriter hw = new HtmlTextWriter(sw);
            divreport.RenderControl(hw);
            StringReader sr = new StringReader(sw.ToString());
            Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 100f, 0.0f);
            HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
            PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
            pdfDoc.Open();
            htmlparser.Parse(sr);
            pdfDoc.Close();
            Response.Write(pdfDoc);
            Response.End();

Bar chart does come into pdf . please help me as soon as possible .