validation on number

Sun Apr 03, 2011 10:09 pm

Following is an example on how to validate an number

Code::  <form method="get" action ="<%= Request.ServerVariables("SCRIPT_NAME") %>" > <input type ="text" name="number"><br> <input type="submit"> </form> <% Dim strNumber , intNumber , blnFlag If Request.ServerVariables("CONTENT_LENGTH") <> 0 Then strNumber = Trim(Request.form("number")) ' check if strNumber is a number. If isNumeric(strNumber ) Then ' convert from string to integer. intNumber = CInt(strNumber ) ' if number less than 10 then success If 10 >= intNumber Then blnFlag = True End If 'if a number is entered then display this Else Response.Write "not valid number<br>" End If 'number is entered ok . 'check the value of boolean If blnFlag = True Then Response.Write("Number = " & intNumber ) print message for invalid number. Else Response.Write("Enter an number less than 10 ") End If End If %>