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Exception while opening a file

Hi,

I’m getting following exception while opening a file. I’m using .net 5.0 version

oExcel = new Workbook();
oExcel.Open(fileName);

[ArgumentNullException: Value cannot be null.
Parameter name: value]
System.BitConverter.ToUInt16(Byte[] value, Int32 startIndex) +112
Aspose.Cells.Worksheets.x2c45ef9d1c1bcd19(Int32 x8bbd612fedd277cd) +160
xabb58b8f2887ff8e.xa969cda0bb1fbd14.x285d1beca6eae945(xd1433fea8b23a6e7 x87df9e1bd68414ab, Style x44ecfea61c937b8e, Boolean xd1a5fc812ca5d8d9) +282
xabb58b8f2887ff8e.xa969cda0bb1fbd14.x86f0c25c32dda935() +720
xabb58b8f2887ff8e.xa969cda0bb1fbd14.x06b0e25aa6ad68a9(XmlTextReader xb9763b0038341e6c) +776
xabb58b8f2887ff8e.x9d49ab444acbddce.x06ec73ba9728bac8() +220
xabb58b8f2887ff8e.x9d49ab444acbddce.x06b0e25aa6ad68a9() +157
xabb58b8f2887ff8e.xe95a61e48a6637a3.x2e7f798eabefe5b4(Workbook xce16031e3118b903, Stream xcf18e5243f8d5fd3) +80
Aspose.Cells.Workbook.Open(Stream stream, FileFormatType type) +1013
Aspose.Cells.Workbook.Open(String fileName) +215
GF.FileToServicer.Controllers.HomeController.InitializeExcelSheet(HttpPostedFileBase LoanFile, String filePrefix) in C:\Project\GF.FileToServicer\GF.FileToServicer\Controllers\HomeController.cs:73
GF.FileToServicer.Controllers.HomeController.ImportAuditLoans(HttpPostedFileBase LoanFile) in C:\Project\GF.FileToServicer\GF.FileToServicer\Controllers\HomeController.cs:97
GF.FileToServicer.Controllers.HomeController.AuditorImportAssignment(HttpPostedFileBase LoanFile) in C:\Project\GF.FileToServicer\GF.FileToServicer\Controllers\HomeController.cs:146
lambda_method(Closure , ControllerBase , Object[] ) +181
System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +14
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters) +211 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters) +27
System.Web.Mvc.Async.<>c__DisplayClass42.b__41() +28
System.Web.Mvc.Async.<>c__DisplayClass81.<BeginSynchronous>b__7(IAsyncResult _) +10 System.Web.Mvc.Async.WrappedAsyncResult1.End() +57
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +48
System.Web.Mvc.Async.<>c__DisplayClass39.b__33() +57
System.Web.Mvc.Async.<>c__DisplayClass4f.b__49() +223
System.Web.Mvc.Async.<>c__DisplayClass37.b__36(IAsyncResult asyncResult) +10
System.Web.Mvc.Async.WrappedAsyncResult1.End() +57 System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +48 System.Web.Mvc.Async.<>c__DisplayClass2a.<BeginInvokeAction>b__20() +24 System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +102 System.Web.Mvc.Async.WrappedAsyncResult1.End() +57
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +43
System.Web.Mvc.<>c__DisplayClass1d.b__18(IAsyncResult asyncResult) +14
System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +23
System.Web.Mvc.Async.WrappedAsyncResult1.End() +62 System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +57 System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +23 System.Web.Mvc.Async.WrappedAsyncResult1.End() +62
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +47
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10
System.Web.Mvc.<>c__DisplayClass8.b__3(IAsyncResult asyncResult) +25
System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +23
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +47
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9657896
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155

Hi,

Thanks for your posting and using Aspose.Cells.

You are using a very old version so we recommend you to please download and try the latest version: Aspose.Cells for .NET 8.3.1. It should fix your issue.

Please take the help of this forum to upgrade your code to latest version.

If your problem still occurs with the latest version, then please provide us your sample code and source Excel file causing this exception. We will look into it and help you asap.