How to create a statistical chart in ASP

Source: Internet
Author: User
The following describes a common function and its use case. For more information, see.
<%
REM first we design a ShowCart function, where
REM aValues is a numerical array.
REM aLables is the x coordinate label.
REM strTitle is the title of this statistical chart.
REM strXAxisLable labels on the x axis
REM strYAxisLable Y axis label
Sub ShowChart (ByRef aValues, ByRef aLabels, ByRef strTitle, ByRef strXAxisLabel, ByRef strYAxisLabel)
'You can change the graph constant at will.
The unit is the screen pixel.
Const GRAPH_WIDTH = 450 'image width
Const GRAPH_HEIGHT = 250 'image
Const GRAPH_BORDER = 5' coordinate line width
Const GRAPH_SPACER = 2'
Const TABLE_BORDER = 0
'Variable declaration
Dim I
Dim iMaxValue
Dim iBarWidth
Dim iBarHeight
'Get the maximum value of aValues
IMaxValue = 0
For I = 0 To UBound (aValues)
If iMaxValue <aValues (I) Then iMaxValue = aValues (I)
Next 'I
'Calculate the width of each graph
IBarWidth = (GRAPH_WIDTH (UBound (aValues) + 1)-GRAPH_SPACER
'Start plotting
%>
<Table border = '<% = TABLE_BORDER %> 'cellspacing = '0' CELLPADDING = '0'>
<TR>
<Td colspan = '3' ALIGN = 'center'> <H2> <% = strTitle %> </H2> </TD>
</TR>
<TR>
<Td valign = 'center'> <B> <% = strYAxisLabel %> </B> </TD>
<Td valign = 'top'>
<Table border = '<% = TABLE_BORDER %> 'cellspacing = '0' CELLPADDING = '0'>
<TR>
& Nbsp; & n bsp; <td rowspan = '2'> '> </TD>
<Td valign = 'top' ALIGN = 'right'> <% = iMaxValue %> </TD>
& Nbsp; </TR>
<TR>
<Td valign = 'bottom 'ALIGN = 'right'> 0 </TD>
</TR>
</TABLE>
</TD>
<TD>
<Table border = '<% = TABLE_BORDER %> 'cellspacing = '0' CELLPADDING = '0'>
<TR>
<Td valign = 'bottom '> 'height =' <% = GRAPH_HEIGHT %> '> </TD>
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