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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: <% Session("StoredArray")(3) = "new value" %> 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. 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: ---file1.asp--- <% \\\'Creating and initializing the array Dim MyArray() Redim MyArray(5) MyArray(0) = "hello" MyArray(1) = "some other string" \\\'Storing the array in the Session object. Session("StoredArray") = MyArray Response.Redirect("file2.asp") %> ---file2.asp--- <% \\\'Retrieving the array from the Session Object \\\'and modifying its second element. LocalArray = Session("StoredArray") LocalArray(1) = " there" \\\'Printing out the string "hello there." Response.Write(LocalArray(0)&LocalArray(1)) \\\'Re-storing the array in the Session object. \\\'This overwrites the values in StoredArray with the new values. Session("StoredArray") = LocalArray %> 返回类别: 教程 上一教程: 教你一次下载网页中的所有资源 下一教程: 用ASP创建日志文件(附源程序) 您可以阅读与"SESSION变量中的数组如何引用"相关的教程: · 如何取得所有的SESSION变量 · SQL语句中的一些参数如何用变量来代替 · 如何在ASP中通过ODBC调用EXCEL中的数据 · 如何定义一个SESSION数组 · 如何在网页中存取剪贴板中的内容 |
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