This code demonstrates how control arrays can be used to carry out repetative math calculations in forms easily.
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'**************************************
' Name: Control Arrays
' Description:This code demonstrates how control arrays can be used to carry out repetative math calculations in forms easily.
' By: John Bridle
'
' Returns:A total value based on the repetative formula!
'
' Assumes:This code is in its simplist format for the demonstration of how Control Arrays can be used in web programing!
'
'This code is copyrighted and has' limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=7121&lngWId=4'for details.'**************************************
<html>
<head>
<meta http-equiv="Content-Language" content="en-gb">
<title>Sample of Control Arrays</title>
<SCRIPT Language="vbscript">
<!--
sub Calc()
'Declare the variables required for the process, notice I have declared an array
'for the txtBox control and have specified how many elements it has.
Dim i,Total,a,txtBox(4)
i=0
a=0
Total=0
'Now I perform a Do statement to cycle through my array performing in this case an addition
'to add each text box to one another!
Do until i=4
a=frmTest.txtBox(i).value
Total=Total+a
i=i+1
Loop
'Finally I assign the Total Variable to the Total TextBox
frmTest.txtTotal.Value=Total
End sub
-->
</SCRIPT>
</head>
<body onload="Calc()">
<form method="POST" name="frmTest" action="Testing.asp">
<p><input type="text" name="txtBox" size="20" value="1" onchange="Calc()">+<br>
<input type="text" name="txtBox" size="20" value="2" onchange="Calc()">+<br>
<input type="text" name="txtBox" size="20" value="3" onchange="Calc()">+<br>
<input type="text" name="txtBox" size="20" value="4" onchange="Calc()"></p>
<p>Totals:</p>
<p><input type="text" name="txtTotal" size="20"></p>
</form>
</body>
</html>
The only problem with this, is with any VBScript function; only compatiable with IE. This would be much more benificial in JScript. (If this comment was disrespectful, please report it.)
only compatiable with IE (If this comment was disrespectful, please report it.)
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1/5/2003 12:21:48 PM: 
