[InvalidCastException: Conversion from type 'DBNull' to type 'Integer' is not valid.]
Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(Object Value) +1312273
Jvgfoto2017.TrafikinfoTag.GridView_RowDataBound(Object sender, GridViewRowEventArgs e) +1075
System.Web.UI.WebControls.GridView.OnRowDataBound(GridViewRowEventArgs e) +116
System.Web.UI.WebControls.GridView.CreateRow(Int32 rowIndex, Int32 dataSourceIndex, DataControlRowType rowType, DataControlRowState rowState, Boolean dataBind, Object dataItem, DataControlField[] fields, TableRowCollection rows, PagedDataSource pagedDataSource) +184
System.Web.UI.WebControls.GridView.CreateChildControls(IEnumerable dataSource, Boolean dataBinding) +3839
System.Web.UI.WebControls.CompositeDataBoundControl.PerformDataBinding(IEnumerable data) +67
System.Web.UI.WebControls.GridView.PerformDataBinding(IEnumerable data) +15
System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +133
System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +34
System.Web.UI.WebControls.DataBoundControl.PerformSelect() +151
System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +76
System.Web.UI.WebControls.GridView.DataBind() +10
Jvgfoto2017.TrafikinfoTag.Uploaded(Object obj, UploadStringCompletedEventArgs Arguments) +4448
System.Net.WebClient.OnUploadStringCompleted(UploadStringCompletedEventArgs e) +24
System.Net.WebClient.UploadStringOperationCompleted(Object arg) +42
System.Web.<>c__DisplayClass22_0.<Post>b__0() +20
System.Web.Util.SynchronizationHelper.SafeWrapCallback(Action action) +92
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +102
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +64
System.Web.Util.WithinCancellableCallbackTaskAwaiter.GetResult() +32
System.Web.UI.<LoadRecursiveAsync>d__246.MoveNext() +396
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +102
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +64
System.Web.Util.WithinCancellableCallbackTaskAwaiter.GetResult() +32
System.Web.UI.<ProcessRequestMainAsync>d__523.MoveNext() +4853
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