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ORA-01427: الإستعلام الفرعي عن صف مفرد أعاد أكثر من صفDescription:*An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.*
Exception Details:*Oracle.DataAccess.Client.OracleException: ORA-01427: الإستعلام الفرعي عن صف مفرد أعاد أكثر من صف
Source Error:*
Line 657: Line 658: DataTable dt = new DataTable(); Line 659: dt.Load(dr); Line 660: Line 661: return dt;
Source File:*c:\inetpub\wwwroot\ELR\App_Code\Data\Registr ation.cs*** Line:*659*
Stack Trace:*
[OracleException (0x80004005): ORA-01427: الإستعلام الفرعي عن صف مفرد أعاد أكثر من صف] Oracle.DataAccess.Client.OracleException.HandleErr orHelper(Int32 errCode, OracleConnection conn, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, String procedure, Boolean bCheck) +1627 Oracle.DataAccess.Client.OracleDataReader.Read() +2016 System.Data.Common.DataAdapter.FillLoadDataRow(Sch emaMapping mapping) +72 System.Data.Common.DataAdapter.FillFromReader(Data Set dataset, DataTable datatable, String srcTable, DataReaderContainer dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue) +164 System.Data.Common.DataAdapter.Fill(DataTable[] dataTables, IDataReader dataReader, Int32 startRecord, Int32 maxRecords) +285 System.Data.Common.LoadAdapter.FillFromReader(Data Table[] dataTables, IDataReader dataReader, Int32 startRecord, Int32 maxRecords) +19 System.Data.DataTable.Load(IDataReader reader, LoadOption loadOption, FillErrorEventHandler errorHandler) +225 System.Data.DataTable.Load(IDataReader reader) +14 Distance.Data.Reg.Registration.RegisterGetStatus(I nt64 recordNo) in c:\inetpub\wwwroot\ELR\App_Code\Data\Registration. cs:659 Student_CheckStatus.search() in c:\inetpub\wwwroot\ELR\Student\CheckStatus.aspx.cs :26 Student_CheckStatus.btnSearch_Click(Object sender, EventArgs e) in c:\inetpub\wwwroot\ELR\Student\CheckStatus.aspx.cs :21 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118 System.Web.UI.WebControls.Button.RaisePostBackEven t(String eventArgument) +112 System.Web.UI.WebControls.Button.System.Web.UI.IPo stBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEve ntHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCol lection postData) +36 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563