Here set your X-axis and Y-axis value set to array and bind chart control
int[] yValues = {10,25,100};
string[] xValues = {"one","two","three"};
Chart1.Series["Series1"].Points.DataBindXY(xValues, yValues);
Add this to front end
<asp:Chart ID="Chart1" runat="server" Height="200px">
<Series>
<asp:Series Name="Series1" XValueMember="MonthName" YValueMembers="Mavailable">
</asp:Series>
</Series>
<ChartAreas>
<asp:ChartArea Name="ChartArea1">
</asp:ChartArea>
</ChartAreas>
</asp:Chart>