Browse and manage the cache.
<% @ Page Language = "<a href =" http://dev.21tx.com/dotnet/csharp/ "target =" _ blank "> C # </a>" enableviewstate = "true" %>
<% @ Import namespace = "system" %>
<% @ Import namespace = "system. Configuration" %>
<% @ Import namespace = "system. Collections" %>
<% @ Import namespace = "system. Collections. Specialized" %>
<% @ Import namespace = "system. Data" %>
<SCRIPT runat = "server">
// Http: // <a href = "http://dev.21tx.com/web/asp/" target = "_ blank"> Asp </a> alliance.com/aldotnet/examples/cacheviewer.aspx
// Http://scottwater.com
Private void page_load (Object sender, system. eventargs E)
{
If (! Ispostback)
{
Hlrefresh. navigateurl = request. rawurl;
Bindgrid ();
}
}
// Bind to the <a href = "http://dev.21tx.com/dotnet/aspnet/datagrid/" target = "_ blank"> DataGrid </a>
Private void bindgrid ()
{
// Create an arraylist to save the cacheditem Information
Arraylist Al = new arraylist ();
Idictionaryenumerator cacheenum = cache. getenumerator ();
While (cacheenum. movenext ())
{
Al. Add (New cacheditem (cacheenum. Key. tostring (), cacheenum. value. GetType (). tostring ()));
}
Litcount. Text = Al. Count. tostring ();
Dgcacheditems. datasource = Al;
Dgcacheditems. databind ();
}
// Delete the cache entry
Protected void grid_itemcommand (Object sender, datagridcommandeventargs E)
{
Hy <a href = "http://dev.21tx.com/web/perl/" target = "_ blank"> perl </a> ink L = (Hyperlink) E. Item. findcontrol ("cacheitemname ");
// Make sure that this item is found
If (L! = NULL)
{
Cache. Remove (L. Text );
}
This. bindgrid ();
}
Protected void grid_created (Object sender, datagriditemeventargs E)
{
If (E. Item. itemtype = listitemtype. Item | E. Item. itemtype = listitemtype. alternatingitem)
{
(Literal) E. Item. findcontrol ("counter"). Text = (E. Item. itemindex + 1). tostring ();
}
}
Private class cacheditem
{
Public cacheditem (){}
Public cacheditem (string key, string type)
{
This. cachekey = key;
This. cachetype = type;
}
Private string _ cachekey;
Public String cachekey
{
Get {return this. _ cachekey ;}
Set {This. _ cachekey = value ;}
}
Private string _ cachetype;
Public String cachetype
{
Get {return this. _ cachetype ;}
Set {This. _ cachetype = value ;}
}
}
// Remove all
Void lbremoveall_click (Object sender, eventargs E)
{
Idictionaryenumerator cacheenum = cache. getenumerator ();
While (cacheenum. movenext ())
{
Cache. Remove (cacheenum. Key. tostring ());
}
Bindgrid ();
}
</SCRIPT>
<HTML>
<Head>
<Title> cache manager </title>
<Style>
TD, A, P, span {font-size: 9pt ;}
. Header {background-color: # ededed; text-align: center; font-weight: bold ;}
</Style>
</Head>
<Body>
<Form runat = "server">
Browse and delete Cache
<Br/>
Quantity:
<Asp: literal id = "litcount" runat = "server"> </ASP: literal>
<Br/>
<Asp: linkbutton id = "lbremoveall" onclick = "lbremoveall_click" runat = "server"> clear all cache items </ASP: linkbutton>
<Br/>
<Asp: hyperlink id = "hlrefresh" text = "refresh" runat = "server"> </ASP: hyperlink>
<Br/>
<Asp: DataGrid id = "dgcacheditems" runat = "server" onitemcommand = "grid_itemcommand"
Autogeneratecolumns = "false" onitemcreated = "grid_created">
<Headerstyle cssclass = "Header"> <Columns>
<Asp: templatecolumn headertext = "quantity">
<Itemtemplate>
<Asp: literal id = "counter" runat = "server"/>
</Itemtemplate>
</ASP: templatecolumn>
<Asp: templatecolumn headertext = "key">
<Itemtemplate>
<Asp: hyperlink id = "cacheitemname" runat = "server" target = "_ blank"
TEXT = '<% # (cacheditem) (container. dataitem). cachekey %>'
Navigateurl = '<% # (cacheditem) (container. dataitem). cachekey %>'/>
</Itemtemplate>
</ASP: templatecolumn>
<Asp: templatecolumn headertext = "type">
<Itemtemplate>
<Asp: literal id = "cacheitemdatatype" runat = "server"
TEXT = '<% # (cacheditem) (container. dataitem). cachetype %>'/>
</Itemtemplate>
</ASP: templatecolumn>
<Asp: templatecolumn headertext = "delete">
<Itemtemplate>
<Asp: linkbutton id = "removebutton" text = "delete" commandname = "removefromcache"
Runat = "server"/>
</Itemtemplate>
</ASP: templatecolumn>
</Columns>
</ASP: DataGrid>
</Form>
</Body>
</Html>
Note: The hyperlink web control is used in the DataGrid to facilitate the management of this site. Other components do not need to be used in this way.
