[InvalidCastException: Conversion from type 'DBNull' to type 'String' is not valid.]
Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) +1033
ParcelDetail.clsHistoryBLL.GetViewData3(Decimal XRef, Decimal YRef, Int32 Range) in C:\Git\CCAOLegacy\ParcelDetail\clsHistoryBLL.vb:229
[TargetInvocationException: Exception has been thrown by the target of an invocation.]
System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) +0
System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) +128
System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +142
System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +889
System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1829
System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +26
System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +134
System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +105
System.Web.UI.Control.EnsureChildControls() +106
System.Web.UI.Control.PreRenderRecursiveInternal() +66
System.Web.UI.Control.PreRenderRecursiveInternal() +256
System.Web.UI.Control.PreRenderRecursiveInternal() +256
System.Web.UI.Control.PreRenderRecursiveInternal() +256
System.Web.UI.Control.PreRenderRecursiveInternal() +256
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6875
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