[InvalidOperationException: 无效操作。连接被关闭。]
System.Data.SqlClient.TdsParserStateObject.ReadSniSyncOverAsync() +5348069
System.Data.SqlClient.TdsParserStateObject.TryReadNetworkPacket() +39
System.Data.SqlClient.TdsParserStateObject.TryPrepareBuffer() +64
System.Data.SqlClient.TdsParserStateObject.TryReadByteArray(Byte[] buff, Int32 offset, Int32 len, Int32& totalRead) +77
System.Data.SqlClient.TdsParserStateObject.TryReadString(Int32 length, String& value) +146
System.Data.SqlClient.TdsParser.TryReadSqlStringValue(SqlBuffer value, Byte type, Int32 length, Encoding encoding, Boolean isPlp, TdsParserStateObject stateObj) +85
System.Data.SqlClient.TdsParser.TryReadSqlValue(SqlBuffer value, SqlMetaDataPriv md, Int32 length, TdsParserStateObject stateObj) +158
System.Data.SqlClient.SqlDataReader.TryReadColumnInternal(Int32 i, Boolean readHeaderOnly) +355
System.Data.SqlClient.SqlDataReader.TryReadColumn(Int32 i, Boolean setTimeout, Boolean allowPartiallyReadColumn) +71
System.Data.SqlClient.SqlDataReader.GetValueInternal(Int32 i) +31
System.Data.SqlClient.SqlDataReader.GetValue(Int32 i) +73
System.Data.SqlClient.SqlDataReader.get_Item(String name) +27
DAL.ArticleDAL.GetSmallClassArticle(Int32 CategoryId) in D:\Liushaoqi\Web\DAL\ArticleDAL.cs:298
BLL.ArticleBLL.GetSmallClassArticle(Int32 CategoryId) +48
plyj.ShowList1() +176
plyj.Page_Load(Object sender, EventArgs e) +37
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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