Discussion Board - How to avoid the user from sending an incomplete form?

When we write a script, we need to make sure that the user had completed the form.

So How can we avoid the user from sending an incomplete form?

Below are the ASP scripts and descriptions:

<%@LANGUAGE="VBScript"%>

<%

'First we get the value from the submit form

strUser = Request.form("user")

strTitle= Request.form("title")

strContent = Request.form("content")

%>

Post Your Message

---

<%

‘Now, we check any variable is empty, if any variable is empty, which means the form is incomplete! We need to display the form again.

‘Another case is when we start a new discussion, all variable will be empty

If strUser="" or strTitle="" or strContent="" Then

%>

User	>
Title	>
Message	<%=strContent%>

<%

Else

%>

We will save this message.

<%

End If

%>

When the user had not completed the form, the system will return a same form to the user after the user clicked on the Post button:

When the user had completed the form, this message will be displayed: