ThemeInMasterPage
.................\App_Code
.................\........\ThemeSkin.cs
.................\App_Themes
.................\..........\BlueTheme
.................\..........\.........\Control.skin
.................\..........\.........\image
.................\..........\.........\.....\bg.jpg

.................\..........\.........\StyleSheet.css
.................\..........\Default
.................\..........\.......\image

.................\..........\.......\SkinFile.skin
.................\..........\.......\StyleSheet.css
.................\..........\PorpleTheme
.................\..........\...........\Control.skin
.................\..........\...........\image


.................\..........\...........\StyleSheet.css
.................\Default.aspx
.................\Default.aspx.cs
.................\Default2.aspx
.................\Default2.aspx.cs
.................\MasterPage.master
.................\MasterPage.master.cs
.................\ThemeTool.aspx
.................\ThemeTool.aspx.cs
.................\web.config
.................\程序详解.htm