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Tip of the Day
Language: Web
Expertise: Intermediate
Feb 17, 2000

Prevent Reposting of Forms in VID 6

By clicking the browser's refresh button, users often add unwanted records into your database. If you are using the Scripting Object Model (SOM) in Visual InterDev 6, you can thwart those reposts. This snippet shows how to set and test a Session variable in the onenter event of the PageObject:

 
<SCRIPT ID=serverEventHandlersVBS LANGUAGE=vbscript RUNAT=Server>
Sub thisPage_onenter()
if session("once") <> true  then
  Label1.setCaption "Adding a new record now."
else
  Label1.setCaption "Only one per customer!"
end if
session("once")=true
End Sub

Sub Button1_onclick()
 Label1.setCaption "Only one per customer!"
End Sub

</SCRIPT>
Ken Cox
 
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