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Popis chyby:

Object reference not set to an instance of an object.

StackTrace:

at System.Data.DataView.GetRecord(Int32 recordIndex) at System.Data.DataView.GetRow(Int32 index) at System.Data.DataView.OnListChanged(ListChangedEventArgs e) at System.Data.DataView.IndexListChanged(Object sender, ListChangedEventArgs e) at System.Data.DataView.IndexListChangedInternal(ListChangedEventArgs e) at System.Data.DataViewListener.IndexListChanged(ListChangedEventArgs e) at System.Data.Index.<OnListChanged>b__2(DataViewListener listener, ListChangedEventArgs args, Boolean arg2, Boolean arg3) at System.Data.Listeners`1.Notify[T1,T2,T3](T1 arg1, T2 arg2, T3 arg3, Action`4 action) at System.Data.Index.OnListChanged(ListChangedEventArgs e) at System.Data.Index.OnListChanged(ListChangedType changedType, Int32 newIndex, Int32 oldIndex) at System.Data.Index.RecordStateChanged(Int32 oldRecord, DataViewRowState oldOldState, DataViewRowState oldNewState, Int32 newRecord, DataViewRowState newOldState, DataViewRowState newNewState) at System.Data.DataTable.RecordStateChanged(Int32 record1, DataViewRowState oldState1, DataViewRowState newState1, Int32 record2, DataViewRowState oldState2, DataViewRowState newState2) at System.Data.DataTable.SetNewRecordWorker(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Boolean suppressEnsurePropertyChanged, Int32 position, Boolean fireEvent, Exception& deferredException) at System.Data.DataTable.SetNewRecord(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Boolean fireEvent, Boolean suppressEnsurePropertyChanged) at System.Data.DataRow.EndEdit() at System.Data.DataRow.set_Item(DataColumn column, Object value) at System.Data.DataRow.set_Item(String columnName, Object value) at WebLib.Generic.ExtendedPriceListEval(DataRow xr, String firm_id, String zone, Page page) at WebCtrlLib.ProductPrice.OnLoad(EventArgs e) at WebCtrlLib.ProductPricePORTAL2016.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)