<asp:Chart ID="classrc" runat="server" Width="1000px" Height="500px" Visible="false" BorderlineColor="Black" BorderlineDashStyle="Solid" >
<Titles>
<asp:Title Name="Average Read Correctly" Text="Read Correctly" >
</asp:Title>
</Titles>
<Series>
<asp:Series Name="Series1" Color="#eb4619" >
</asp:Series>
<ChartAreas>
<asp:ChartArea Name="ChartArea1">
<AxisX Interval="1"><MajorGrid Enabled="False" /></AxisX>
<AxisY Interval="20" ><MajorGrid Enabled="False" /></AxisY>
</asp:ChartArea>
</ChartAreas>
</asp:Chart>
Add the data table as a source to chart like this
classrc.DataSource = dataTable;
classrc.Series["Series1"].XValueMember = "Name";
classrc.Series["Series1"].ToolTip = "Name:#AXISLABEL , Avg RC: #VALY";
classrc.Series["Series1"].YValueMembers = "AvgRC";