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ASP.net VB.net Generate a chart showing percentages

Posted on 2013-06-08
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Last Modified: 2013-06-13
Hi


I have a web app that calculates percentage scores for 4 subject areas.
eg 20, 40, 10, 30

What VB.net code would I use to show these scores in the ASP.net chart,
whose markup is shown below. Thanks


    <asp:Chart ID="Chart5" runat="server" Height="336px" Width="348px">
        <Titles>
            <asp:Title Text="">
            </asp:Title>
        </Titles>
        <series>
            <asp:Series BorderWidth="5" ChartArea="MainChartArea" ChartType="Pie"
                Color="#000024" Name="MyCategories" YValuesPerPoint="6">
            </asp:Series>
        </series>
        <chartareas>
            <asp:ChartArea Name="MainChartArea">
            </asp:ChartArea>
        </chartareas>
    </asp:Chart>
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Question by:Murray Brown
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Accepted Solution

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informaniac earned 2000 total points
ID: 39232801
DataTable dt = new DataTable();
dt.Columns.Add("subject",typeof(string));
dt.Columns.Add("percentage",typeof(decimal));

Datarow dr = dt.NewRow();
dr[0]="Science";
dr[1] = 50;
dt.Rows.Add(dr);

Chart5.DataSource = dt;
    Chart5.Series["MyCategories"].XValueMember = "subject";
    Chart5.Series["MyCategories"].YValueMembers = "percentage";
    Chart5.DataBind();

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Author Closing Comment

by:Murray Brown
ID: 39245396
Thanks very much
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