Crystal Reports How to Create a Stacked Bar Chart in Crystal Repor

Message

     Hey. I am working on a report that needs to have a few stacked bar charts. I can't get them to display properly. I am using a .Net class as the data source. The class is listed below.

When the report is produced I just get a regular bar chart. Could someone point out if this class I am using is sufficient to create the stacked bar chart? Also what are the correct options I used in Crystal Reports when designing the chart. What do I have to set under the data tab?

Thanks for any help.

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    public class ChartDataObject  

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    {  

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        private string label = String.Empty;  

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        private double value = 0;  

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        public string Label  

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        {  

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            get { return this.label; }  

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        }  

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        public double Value  

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        {  

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            get { return this.value; }  

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        }  

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        public ChartDataObject(string label, double value)  

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        {  

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            this.label = label;  

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            this.value = value;  

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        }  

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    }