[visualization-api] How to link the info from texboxes to the google chart (bars)

['JustMeNoOther' via Google Visualization API]

Hi forum, 


I would like to know, if I can take the info from my labels (or textboxes 
if is the case) that I am fill from my data base, and link them to the 
JavaScript code of google charts. I do not like to use the asp:charts, but 
I cannot do what I want to do. Below my failed example :)



<script type="text/javascript" src=
"https://www.gstatic.com/charts/loader.js";></script> 
<script type="text/javascript">
    google.charts.load('current', { 'packages': ['bar'] });
    google.charts.setOnLoadCallback(drawChart);
    function drawChart() {
        var data = google.visualization.arrayToDataTable([
            ['', ''],
            ['Inspeccioandas', 'document.getElementById("<%= 
inspT11.ClientID %>").value;'],
            ['OK',  'document.getElementById("<%= okT11.ClientID 
%>").value;'],
        ]);
        var options = {
            chart: {
                title: 'Desempeño de la Contensión',                
            }
        };
        var chart = new google.charts.Bar(document.getElementById(
'columnchart_material'));
        chart.draw(data, google.charts.Bar.convertOptions(options));
    }
    </script>
 




<div id="columnchart_material" style="width: 400px; height: 200px;"
></div><br />
<asp:Label runat="server" id="inspT11" ForeColor="#757579" Font-Names=
"Helvetica" Enabled="false" Font-Size="12px" style="margin-left:52px">450
</asp:Label>
<asp:Label runat="server" id="okT11" ForeColor="#757579" Font-Names=
"Helvetica" Enabled="false" Font-Size="12px" style="margin-left:61px">448
</asp:Label>



I have tried to do more things but this is the most representative.

Thanks in advance. If anyone can help me, would be great and thankful.
Greetings!




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