[InvalidOperationException: ExecuteReader: CommandText 属性尚未初始化]
System.Data.SqlClient.SqlCommand.ValidateCommand(String method, Boolean async) +6553853
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite) +151
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +104
System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +288
System.Data.SqlClient.SqlCommand.ExecuteReader() +302
note.Page_Load(Object sender, EventArgs e) in d:\正式网站\上海医学\note.aspx.cs:76
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178
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