/// <summary>
/// 设置缓存
/// </summary>
/// <param name="cacheKey">缓存标识符</param>
/// <param name="cacheObject">缓存object</param>
/// <param name="dependencies">缓存依赖项：.Net中支持两种依赖：CacheDependency和SqlDependency(两者都是Dependency的子类)。从.Net2.0开始，CacheDependency不再是密封的，而是可以继承的。CacheDependency：表示对文件或者目录的依赖；SqlDependency：表示基于SQL数据库的依赖</param>
/// <param name="absoluteExpiration">绝对过期时间：为特定时间点，类型为DateTime，如果不使用绝对过期时间，那么，使用System.Web.Caching.Cache.NoAbsoluteExpiration表示</param>
/// <param name="slidingExpiration">滑动过期时间：最后一次访问的时间隔为一个事件间隔，类型为TimeSpan，如果不使用滑动过期时间，使用System.Web.Cacheing.NoSlidingExpiration或者TimeSpan.Zero表示</param>
static public void SetBWJSCache(object cacheKey, object cacheObject, CacheDependency dependencies, object absoluteExpiration, TimeSpan slidingExpiration)
{
//HttpContext.Current.Response.Cache.SetExpires(ComPage.SafeToDateTime(absoluteExpiration));
//HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.Public);
System.Web.Caching.Cache objCache = HttpRuntime.Cache;
objCache.Insert(SafeToString(cacheKey), cacheObject, dependencies, ComPage.SafeToDateTime(absoluteExpiration), slidingExpiration);
}
/// <summary>
/// 初始化绑定DropDownList
/// </summary>
public void InitDDL(DataTable dt, DropDownList ddl, object defaultText, object defaultValue, object bindText, object bindValue)
{
ddl.Items.Clear();
if (defaultText != null && defaultValue != null)
{
ddl.Items.Add(new ListItem(defaultText.ToString(), defaultValue.ToString()));
}
if (dt != null && dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{
ddl.Items.Add(new ListItem(ComPage.SafeToString(dr[bindText.ToString()]), ComPage.SafeToString(dr[bindValue.ToString()])));
}
}
}