?? session變量中的數組如何引用.htm
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《session變量中的數組如何引用》</FONT></TD></TR>
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<TD align=middle class=p4
colSpan=2><B>session變量中的數組如何引用</B></FONT><BR>2001-5-14 動網先鋒
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<BLOCKQUOTE><BR>If you store an array in a Session object, you
should not attempt to alter the elements of the stored array
directly. For example, the following script will not work:
<P></P>
<P><% Session("StoredArray")(3) = "new value" %></P>
<P>This is because the Session object is implemented as a
collection. The array element StoredArray(3) does not receive the
new value. Instead, the value is indexed into the collection,
overwriting any information stored at that location. </P>
<P>It is strongly recommended that if you store an array in the
Session object, you retrieve a copy of the array before retrieving
or changing any of the elements of the array. When you are done
with the array, you should store the array in the Session object
again so that any changes you made are saved. This is demonstrated
in the following example:</P>
<P>---file1.asp---<BR><%<BR>'Creating and initializing the
array<BR>Dim MyArray()<BR>Redim MyArray(5)<BR>MyArray(0) =
"hello"<BR>MyArray(1) = "some other string"</P>
<P>'Storing the array in the Session
object.<BR>Session("StoredArray") = MyArray</P>
<P>Response.Redirect("file2.asp")<BR>%></P>
<P>---file2.asp---<BR><%<BR>'Retrieving the array from the
Session Object<BR>'and modifying its second element.<BR>LocalArray
= Session("StoredArray")<BR>LocalArray(1) = " there"</P>
<P>'Printing out the string "hello
there."<BR>Response.Write(LocalArray(0)&LocalArray(1))</P>
<P>'Re-storing the array in the Session object.<BR>'This
overwrites the values in StoredArray with the new
values.<BR>Session("StoredArray") = LocalArray<BR>%></P>
<P><BR><BR></P></BLOCKQUOTE></TD></TR>
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<BLOCKQUOTE>原作者：hooke(轉)<BR>來 源：chinaasp<BR>共有2238位讀者閱讀過此文<BR>【<A
href="http://bbs.aspsky.net/list.asp?boardid=1">發表評論</A>】
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