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Contents.Remove / Contents.RemoveAll


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Content

Application Object
Application.Contents.Remove Method
   Syntax:
   Parameters:
   Return Values:
   Remarks:
  Examples:
Application.Contents.RemoveAll Method
   Syntax:
   Parameters:
   Return Values:
   Remarks:
  Examples:

Application Object

One of the key functions of Application Object is the application data control on the server.

Application.Contents.Remove Method

Application.Contents.Remove Method removes or deletes an item from the Contents collection of Application object..

Syntax:

Contents.Remove(
    id
)

 Or in an ASP file. Imply

<% Application.Contents.Remove(id) %>

Parameters:

id

The parameter "id" , a string or an integer,  is used to specify the name of the item to be removed. If id is a string, the specified name of the item in the contents collection will be removed. If id is an integer, the corresponding indexed item in the contents collection will be removed.  

Return Values:

void

This method has no return values.

Remarks:

The id can be either a string of an integer. If id is a string, the specified name of the item in the contents collection will be removed. If id is an integer, the corresponding indexed item in the contents collection will be removed.  However, the index of the collection will be updated after the removal of an item from the collection. Therefore, better to identify an item by its name.

The ASP collection support only the Count property and the Item, Remove, and RemoveAll methods. The Add method is not support and the item is added by declaration.

Examples:

  • Use Application.Contents.Remove to remove the specified item

    ASP script command:

    <%
    Application("App1") = "App1value"
    Application.Contents("App2") = "App2value"
    Application.Contents.Item("App3") = "App3value"
    Response.write "Elements in Application.Contents Collection :<br>"
    For Each element in Application.Contents
    Response.write element & " = " & Application(element) & "<br>"
    Next
    Response.write "<br>"
    Response.write "Elements in Application.Contents Collection :<br>"
    Application.Contents.Remove("App2")
    For Each element in Application.Contents
    Response.write element & " = " & Application(element) & "<br>"
    Next
    %>

    HTTP response output:

    Elements in Application.Contents Collection :<br>
    App1 = App1value<br>
    App2 = App2value<br>
    App3 = App3value<br>
    <br>
     Elements in Application.Contents Collection :<br>
    App1 = App1value<br>
    App3 = App3value<br>

    HTML web page ouput:

    Elements in Application.Contents Collection :
    App1 = App1value
    App2 = App2value
    App3 = App3value

    Elements in Application.Contents Collection :
    App1 = App1value
    App3 = App3value

  • Use Application.Contents.Remove to remove the second item

    ASP script command:

    <%
    Application("App1") = "App1value"
    Application.Contents("App2") = "App2value"
    Application.Contents.Item("App3") = "App3value"
    Response.write "Elements in Application.Contents Collection :<br>"
    For Each element in Application.Contents
    Response.write element & " = " & Application(element) & "<br>"
    Next
    Response.write "<br>"
    Response.write "Elements in Application.Contents Collection :<br>"
    Application.Contents.Remove(2)
    For itemno = 1 to Application.Contents.Count 
    Response.Write CStr(itemno) & " = " & _
    Application.Contents(itemno) & "<br>"
    Next
    %>

    HTTP response output:

    Elements in Application.Contents Collection :<br>
    App1 = App1value<br>
    App2 = App2value<br>
    App3 = App3value<br>
    <br>
    Elements in Application.Contents Collection :<br>
    1 = App1value<br>
    2 = App3value<br>

    HTML web page ouput:

    Elements in Application.Contents Collection :
    App1 = App1value
    App2 = App2value
    App3 = App3value

    Elements in Application.Contents Collection :
    1 = App1value
    2 = App3value

Application.Contents.RemoveAll Method

Application.Contents.RemoveAll Method removes or deletes all item from the Contents collection of Application object..

Syntax:

Contents.RemoveAll(
)

 Or in an ASP file.  Imply

<% Application.Contents.RemoveAll %>

Parameters:

void

This method has no parameters.

Return Values:

void

This method has no return values.

Remarks:

All items in the Application.Contents collection are removed.

Examples:

  • Use Application.Contents.RemoveAll to remove all items

    ASP script command:

    <%
    Application("App1") = "App1value"
    Application.Contents("App2") = "App2value"
    Application.Contents.Item("App3") = "App3value"
    Response.write "Elements in Application.Contents Collection :<br>"
    For Each element in Application.Contents
    Response.write element & " = " & Application(element) & "<br>"
    Next
    Response.write "<br>"
    Response.write "Elements in Application.Contents Collection :<br>"
    Application.Contents.RemoveAll
    For Each element in Application.Contents
    Response.write element & " = " & Application(element) & "<br>"
    Next
    %>

    HTTP response output:

    Elements in Application.Contents Collection :<br>
    App1 = App1value<br>
    App2 = App2value<br>
    App3 = App3value<br>
    <br>
    Elements in Application.Contents Collection :<br>

    HTML web page ouput:

    Elements in Application.Contents Collection :
    App1 = App1value
    App2 = App2value
    App3 = App3value

    Elements in Application.Contents Collection :


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References

  1. Active Server Pages, http://msdn.microsoft.com/en-us/library/aa286483.aspx, updated 20Dec2012
  2. ASP Overview, http://msdn.microsoft.com/en-us/library/ms524929%28v=vs.90%29.aspx, updated 21Dec2012
  3. ASP Best Practices, http://technet.microsoft.com/en-us/library/cc939157.aspx, updated 15Apr2013
  4. ASP Built-in Objects, http://msdn.microsoft.com/en-us/library/ie/ms524716(v=vs.90).aspx, updated 20Dec2012
  5. Response Object, http://msdn.microsoft.com/en-us/library/ms525405(v=vs.90).aspx, updated 20Dec2012
  6. Request Object, http://msdn.microsoft.com/en-us/library/ms524948(v=vs.90).aspx, updated 20Dec2012
  7. Server Object (IIS), http://msdn.microsoft.com/en-us/library/ms525541(v=vs.90).aspx, updated 20Dec2012
  8. Application Object (IIS), http://msdn.microsoft.com/en-us/library/ms525360(v=vs.90).aspx, updated 20Dec2012
  9. Session Object (IIS), http://msdn.microsoft.com/en-us/library/ms524319(8v=vs.90).aspx, updated 20Dec2012
  10. ASPError Object, http://msdn.microsoft.com/en-us/library/ms524942(v=vs.90).aspx, updated 20Dec2012
  11. ObjectContext Object (IIS), http://msdn.microsoft.com/en-us/library/ms525667(v=vs.90).aspx, updated 20Dec2012
  12. Debugging Global.asa Files, http://msdn.microsoft.com/en-us/library/aa291249(v=vs.71).aspx, updated 15Apr2013
  13. How to: Debug Global.asa files, http://msdn.microsoft.com/en-us/library/ms241868(v=vs.80).aspx, updated 15Apr2013
  14. Calling COM Components from ASP Pages, http://msdn.microsoft.com/en-us/library/ms524620(v=VS.90).aspx, updated 15Apr2013
  15. IIS ASP Scripting Reference, http://msdn.microsoft.com/en-us/library/ms524664(v=vs.90).aspx, updated 15Apr2013
  16. ASP Keywords, http://msdn.microsoft.com/en-us/library/ms524672(v=vs.90).aspx, updated 15Apr2013
  17. Creating Simple ASP Pages, http://msdn.microsoft.com/en-us/library/ms524741(v=vs.90).aspx, updated 15Apr2013
  18. Including Files in ASP Applications, http://msdn.microsoft.com/en-us/library/ms524876(v=vs.90).aspx, updated 15Apr2013
  19. ASP Overview, http://msdn.microsoft.com/en-us/library/ms524929(v=vs.90).aspx, updated 15Apr2013
  20. FileSystemObject Object, http://msdn.microsoft.com/en-us/library/z9ty6h50(v=vs.84).aspx, updated 14Mayr2013
  21. http://msdn.microsoft.com/en-us/library/windows/desktop/ms675944(v=vs.85).aspx, ADO Object Model, updated 15Apr2013
  22. ADO Fundamentals, http://msdn.microsoft.com/en-us/library/windows/desktop/ms680928(v=vs.85).aspx, updated 14Mayr2013
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ID: 120200040 Last Updated: 2/12/2012 Revision: 0 Ref:

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