[Exception: 已有打开的与此 Command 相关联的 DataReader,必须首先将它关闭。]
DAL.SQLHelpers.ExecuteReader(CommandType cmdType, String cmdText, SqlParameter[] cmdParams) in D:\Liushaoqi\Web\DAL\SQLHelpers.cs:95
DAL.ArticleDAL.GetSmallClassArticle(Int32 CategoryId) in D:\Liushaoqi\Web\DAL\ArticleDAL.cs:290
BLL.ArticleBLL.GetSmallClassArticle(Int32 CategoryId) +48
plyj.ShowList() +177
plyj.Page_Load(Object sender, EventArgs e) +29
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +92
System.Web.UI.Control.LoadRecursive() +54
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772
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