I found the root cause--wrongly usage of Bar Chart. So sorry for wasting your time to read.
On Jan 10, 3:36 pm, Roger <[email protected]> wrote: > Dear all, > I'm a new guy to Javascript and writing something for fun with > Google Chart recently. One problem has bothered me for a long time. > Here is part of the code. > > <head> > ... > <script type="text/javascript" src="http://code.jquery.com/jquery- > latest.js"></script> > <script type="text/javascript" src="https://www.google.com/jsapi";></ > script> > <script type="text/javascript"> > google.load('visualization', '1.0', {'packages':['corechart']}); > google.setOnLoadCallback(drawTopTenMonthlyException); > > function drawTopTenMonthlyException(){ > var jsonString = eval($('#form\ > \:topTenExceptionJsonString').val()); > var monthlyData = new google.visualization.DataTable(); > monthlyData.addColumn('string', 'moduleName'); > monthlyData.addColumn('number', 'exceptionNumber'); > monthlyData.addColumn('string', 'exceptionType'); > if(fillDatatableByJsonString(monthlyData, > jsonString).getNumberOfRows() > 0){ > var options = {width: 400, height: 240,title: 'Top Ten > Exception'}; > var chart = new > google.visualization.BarChart(document.getElementById('topTenException')); > chart.draw(monthlyData, options); > } > } > > function fillDatatableByJsonString(dataTable, jsonString){ > for(var i = 0; i < jsonString.length; i++){ > > dataTable.addRow([jsonString[i].moduleName,jsonString[i].amount,jsonString[i].exceptionType]); > } > return dataTable; > } > </script> > </head> > ... > > The previous page works well in the same way to draw. However, when > it comes to this page, exception called "google.visualization is > undefined" happened. I googled and found no perfect solution. BTW, The > hidden data is successfully accessed by eval() function. Could you pls > help me? -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
