“/”应用程序中的服务器错误。

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[InvalidOperationException: Database is not open]
   () +250
   (CommandBehavior behavior) +16
   (CommandBehavior behavior) +4
   () +14
   PetaPoco.<>c.<ExecuteReaderHelper>b__157_0(IDbCommand c) +10
   (IDbCommand cmd, Func`2 executionFunction) +32
   (IDbCommand cmd) +112
   PetaPoco.<ExecuteReader>d__52`() +224
   (IEnumerable`1 source) +168
   (Int32 id) +83
   (String str) +78
   () +142
   () +845

[TargetInvocationException: 调用的目标发生了异常。]
   (Object target, Object[] arguments, Signature sig, Boolean constructor) +0
   (Object obj, Object[] parameters, Object[] arguments) +91
   (Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +105
   (Object obj, Object[] parameters) +21
   () +3127

[Exception: 在执行标签“<vt:function var="plist" method="GetProducts" type="$func" classid="$" top="5">”的方法时出错]
   () +3278
   (TextWriter writer) +72
   (TextWriter writer) +122
   (TextWriter writer) +213
   (TextWriter writer) +121
   (TextWriter writer) +122
   (TextWriter writer) +213
   (TextWriter writer) +861
   (TextWriter writer) +122
   (TextWriter writer) +213
   (TextWriter writer) +339
   (TextWriter writer) +122
   (TextWriter writer) +213
   (TextWriter writer) +339
   (TextWriter writer) +122
   () +60
   (VtPage vt, Int32 id) +49
   _(VtPage vt) +313
   __Load(Object sender, EventArgs e) +202
   (Object sender, EventArgs e) +52
   (EventArgs e) +97
   () +61
   (Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693