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Getting Error : Invalid type: GoogleViz in Apex Class
I am using google visualization api to draw column chart on apex page but, in controller i am getting error
public with sharing class GoogleColumnChartController {
public List<Account> accList { get; set; }
public GoogleColumnChartController(){
accList = [ SELECT Id,Name,Total_Sales__c,Total_Expense__c FROM Account ];
}
public String getSalesData(){
GoogleViz gv = new GoogleViz();
gv.cols = new list<GoogleViz.col> {
new GoogleViz.Col('col1','Year','Year'),
new GoogleViz.Col('col2', 'Salse','Sales'),
new GoogleViz.Col('col3','Expense','Expense')
};
for ( Account acc : accList ){
GoogleViz.row r = new GoogleViz.row();
r.cells.add ( new GoogleViz.cell(acc.Total_Sales__c) );
r.cells.add ( new GoogleViz.cell(acc.Total_Expense__c) );
}
return gv.toJsonString();
}
please , help me why error come at GoogleViz line i have see many examples on devloperforce using this class object.
but i am getting this error which decrease my interust to use the Visulization api.
anything need to use this GoogleViz in apex class if any then please assist me....
http://wiki.developerforce.com/page/Google_Visualizations_Install_Instructions
Above is the link with step by step instructions for same
All Answers
Do you have a custom class named GoogleViz? If you have used the code share that class should be included.
I haven't this class .
how this class i include in my Org ?.
i have read many google visulization examples but i didn't see this class.
Please help me ...
You should install the google vizualisations code share from:
http://developer.force.com/codeshare/apex/projectpage?id=a06300000030w9LAAQ
http://wiki.developerforce.com/page/Google_Visualizations_Install_Instructions
Above is the link with step by step instructions for same