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convert asp with vbscript subroutine to asp.net

Posted on 2013-10-30
Last Modified: 2013-10-31
I have a asp page with vbscript subroutine in the page, it display a graphic bar chart.  I would like convert this page to asp.net(vb.net) page, but I have problem, I moved the asp page to aspx, it gave me lots of errors, because the vbscript subroutine is combined with asp code altogether.  Below is my asp page, how to convert to .net?  Hope someone can give me some help.
Dim objConn, objRS, strSQL, Sum, objSum, strMonth, strYear, objstrMonth, objstrYear
Set objConn=Server.CreateObject("ADODB.Connection")
objConn.Open UserConnString

Set objRS=Server.CreateObject("ADODB.Recordset")
strsql="select DatePart(mm, task_dateadded) as strMonth, cast(DatePart(yyyy, task_dateadded) as varchar(4)) as strYear, count (task_code) as Sum from task group by DatePart(mm,task_dateadded), cast(DatePart(yyyy,task_dateadded) as varchar(4)) order by strYear desc, strMonth desc"

objRS.open strsql, objConn

Set objSum     =  objRS("Sum")
Set objstrMonth  =  objRS("strMonth")
Set objstrYear   =  objRS("strYear")



<%sub displayverticalgraph(strtitle,strytitle,strxtitle,avalues,alabels)

const GRAPH_HEIGHT 	= 300 	 		
const GRAPH_WIDTH 	= 400   		
const GRAPH_SPACING 	= 0	
const GRAPH_BORDER 	= 0	 		
const GRAPH_BARS 	= 2     		
const L_LABEL_SEPARATOR = "|"			
const R_LABEL_SEPARATOR = "|"			
const LABELSIZE 	= -4			
const INTIMGBORDER 	= 1  	 		
Const ALT_TEXT		= 4			

agraph_bars = array("dark_green","red","gold","blue","pink","light_blue","light_gold","orange","green","purple")

intmax = 0

for i = 0 to ubound(avalues)
if  cint(intmax) < cint(avalues(i)) then  intmax = cint(avalues(i)) 
if uselowvalue then 
intmin = avalues(0)
for i = 0 to ubound(avalues)
if  cint(intmin) > cint(avalues(i)) then  intmin = cint(avalues(i)) 
end if

graphmultiplier = round(graph_height-100/intmax)

imgwidth = round(300/(ubound(avalues)+1))
if imgwidth > 16 then imgwidth = 16 


<table border =<%=GRAPH_BORDER%> width:100% height=<%=graph_height%>>

    <td rowspan=3 valign="middle"><font face="Arial, Helvetica, sans-serif" size="-1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<%=strytitle%></font></td>
    <td colspan=<%=ubound(avalues)+2%> height=50 align="center">
    <strong><font face="Verdana, Arial, Helvetica, sans-serif" size="3" color="#990000"><%=strtitle%></font></strong></td>
	<% count = 0%>
	    <table border=<%=GRAPH_BORDER%> cellpadding = 0 cellspacing = <%=graph_spacing%>>
	     <TD valign="baseline" cellpadding = "0" cellspacing="0">
		  <table border=<%=GRAPH_BORDER%> height="<%=graphmultiplier+8%>" cellpadding = "0" cellspacing="0" align="right">
	<td height="50%" valign="top" align="right"><font face="Arial, Helvetica, sans-serif" size="-1"><%=intmax%></font></td>
	<td height="50%" valign="bottom" align="right">
		 <%if uselowvalue then
	             response.write cstr(intmin)
		     response.write "<font face='Arial, Helvetica, sans-serif' size='-1'>0</font>"
		   end if
	     <td valign="baseline" align="right"><img src="../images/yaxis.gif" height="300" align="absbottom">
	     for i = 0 to ubound(avalues)
	      strgraph = agraph_bars(count)
	       	if alt_text = 1 then 
		    stralt = alabels(i)
		  elseif alt_text = 2 then 
		    stralt = avalues(i)
		  elseif alt_text = 3 then 
		    stralt = alabels(i) &" - "  &avalues(i)
		  elseif alt_text = 4 then   
		    stralt = round(avalues(i) /intmax  *100,2) &"%"
		 end if     
	        if uselowvalue then  %>
                  <td valign="bottom" align="center">
	          <img src="../images/<%=strgraph%>.gif" height="<%=round((avalues(i)-intmin)/intmax*graphmultiplier,0)%>" width="<%=imgwidth%>" alt="<%=strAlt%>" border="<%=intimgborder%>"></td>
	          <td valign="bottom" align="center">
	          <img src="../images/<%=strgraph%>.gif" height="<%=round(avalues(i)/intmax*graphmultiplier,0)%>" width="<%=imgwidth %>" alt="<%=strAlt%>" border="<%=intimgborder%>"></td>
	       <%end if 
	        if count = graph_bars-1 then 
	          count = 0 
	          count = count + 1
	        end if		
		  	 response.write "<td width='50'>&nbsp;</td></tr><tr><td width=8></td><td></td><td colspan=" &(ubound(avalues)+1) &" valign='top'>" _
			 &"<img src='../images/xaxis.gif' width='100%' height='1' align='align='left'></td></tr>"
			 response.write "<tr><td width=8><font face='Arial, Helvetica, sans-serif' size='-4'><b>Task Opened</font></b></td><td>&nbsp;</td>"
			 for i=0 to ubound(avalues)
			 response.write"<td align='center'><font face='Arial, Helvetica, sans-serif' size='-4'>"&avalues(i)&"</font></td>"
	         if showlabels then %>
	         <tr><td width=8 height=1><font face="Arial, Helvetica, sans-serif" size="-4"><b>Month</b></font></td><td>&nbsp;</td>
	            <%for i = 0 to ubound(avalues)%>
	               <td valign="bottom" width=<%=imgwidth%> >
				   <font size=
	               <%=labelsize &">" &l_label_separator &alabels(i) &r_label_separator %></font></td>
	     <%end if%>
    	<tr><td colspan=<%=ubound(avalues)+3%> height=50 align="center"><font face="Arial, Helvetica, sans-serif" size="-1"><%=strxtitle%></font></td>

<%end sub %>


Dim aMonthValues()
Dim aMonthNames() 
Dim Month() 
Dim Year() 

i = 0
Do While Not objRS.EOF
    i = i + 1

ReDim preserve aMonthValues(i)
Redim preserve aMonthNames(i)
Redim preserve Month(i)
Redim preserve Year(i)

Do Until objRS.EOF
aMonthNames(x)=Month(x) &"/" &Year(x)

displayverticalgraph "Monthly Report","<img src='axis.gif'>","Month",aMonthValues,aMonthNames 

set objRS=nothing

set objConn=nothing


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Question by:5281
LVL 28

Accepted Solution

sybe earned 500 total points
ID: 39613476
Why do you want to convert this? If it works, then let it be.

If you really need in in .Net, then best is to rewrite this from scratch.

I see some quick things that won't work in vb.net:

- you can not mix html and script in a functionj in .Net as you could in classic asp. But you can have a function that creates and returns a HTML string, or you could use an <asp:Repeater>

- Some stuff is not or not directly supported in vb.net. Like ADODB.RecordSet, it can be supported in .Net, but asp.net has its own classes which are better fit. Also the function "cint()" is non-existing in vb.Net.

- The code isn't very well written. Who counts records in a recordset by looping through all records?

- Please use some css in stead of the <font> tag

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