/// <summary>
/// 获取总条目数.
/// </summary>
/// <param name="storeType">分页设置的存储方式.</param>
/// <param name="storeKey">分页设置的存储关键字.</param>
/// <returns>总条目数.</returns>
public static int GetItemCount(PagerStoreType storeType, string storeKey)
{
if (string.IsNullOrEmpty(storeKey))
{
return(0);
}
switch (storeType)
{
case PagerStoreType.Cookie:
try
{ return(Convert.ToInt32(HttpContext.Current.Request.Cookies[makeItemCountStoreKey(storeKey)].Value)); }
catch
{ return(0); }
case PagerStoreType.Session:
try
{ return(Convert.ToInt32(HttpContext.Current.Session[makeItemCountStoreKey(storeKey)])); }
catch
{ return(0); }
case PagerStoreType.Query:
try
{ return(Convert.ToInt32(HttpContext.Current.Request[makeItemCountStoreKey(storeKey)])); }
catch
{ return(0); }
default:
return(0);
}
}
/// <summary>
/// 创建一个分页设置.
/// </summary>
/// <param name="storeType">分页设置的存储方式.</param>
/// <param name="storeKey">分页设置的存储关键字.</param>
/// <param name="paginalCount">每页包含的数据条数, 如果小于等于 0, 则默认为 20.</param>
public PagerSetting(PagerStoreType storeType, string storeKey, int paginalCount)
: base(PagerBuilder.GetIndex(storeType, storeKey), paginalCount)
{
if (string.IsNullOrEmpty(storeKey))
{
throw new ArgumentNullException("storeKey", "分页设置的存储关键字不能为空");
}
this.storeType = storeType;
this.storeKey = storeKey;
this.ItemCount = PagerBuilder.GetItemCount(storeType, storeKey);
}
