Hello,
An exception is thrown when importing an xlsx file which has a comment that does not have an author. But the author may be null.
System.ArgumentException: 'author'
This exception was originally thrown at this call stack:
Telerik.Windows.Documents.Spreadsheet.Utilities.Guard.ThrowExceptionIfNullOrEmpty(string, string)
Telerik.Windows.Documents.Spreadsheet.Model.NoteCollection.Add(Telerik.Windows.Documents.Spreadsheet.Model.CellIndex, Telerik.Windows.Documents.Spreadsheet.Model.CellIndex, string, string)
Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.Contexts.XlsxWorksheetImportContext.ApplyNoteInfo(Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.Contexts.NoteBase)
Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.Model.Elements.Comments.CommentElement.OnAfterRead(Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.Import.IXlsxWorksheetImportContext)
Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.Model.Elements.Comments.CommentsElementBase.OnAfterRead(Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx.Import.IXlsxWorkbookImportContext)
Telerik.Windows.Documents.FormatProviders.OpenXml.Model.Elements.OpenXmlElementBase<TImportContext, TExportContext, TPartsManager>.OnAfterRead(Telerik.Windows.Documents.FormatProviders.OpenXml.Import.IOpenXmlImportContext)
Telerik.Windows.Documents.FormatProviders.OpenXml.Model.Elements.OpenXmlElementBase.Read(Telerik.Windows.Documents.FormatProviders.OpenXml.IOpenXmlReader, Telerik.Windows.Documents.FormatProviders.OpenXml.Import.IOpenXmlImportContext)
Telerik.Windows.Documents.FormatProviders.OpenXml.Model.Elements.OpenXmlElementBase.ReadChildElements(Telerik.Windows.Documents.FormatProviders.OpenXml.IOpenXmlReader, Telerik.Windows.Documents.FormatProviders.OpenXml.Import.IOpenXmlImportContext)
Telerik.Windows.Documents.FormatProviders.OpenXml.Model.Elements.OpenXmlElementBase.Read(Telerik.Windows.Documents.FormatProviders.OpenXml.IOpenXmlReader, Telerik.Windows.Documents.FormatProviders.OpenXml.Import.IOpenXmlImportContext)
Telerik.Windows.Documents.FormatProviders.OpenXml.Model.Elements.OpenXmlElementBase.ReadChildElements(Telerik.Windows.Documents.FormatProviders.OpenXml.IOpenXmlReader, Telerik.Windows.Documents.FormatProviders.OpenXml.Import.IOpenXmlImportContext)
...
[Call Stack Truncated]This is the code that can be used to reproduce the issue, according to your documentation:
Workbook workbook;
XlsxFormatProvider formatProvider = new XlsxFormatProvider();
using (Stream input = new FileStream(_path, FileMode.Open))
{
workbook = formatProvider.Import(input);
}I have attached a document that got a comment without an author.
Implement support for cell references to columns and rows, e.g. $1:$2, A:D, etc. Currently, CellSelection.SetValue throws ParseException, and CellSelection.SetValueAsFormula throws InvalidOperationException.
From the OOXML Specification: A comment is a rich-text note that is attached to and associated with a cell, separate from other cell content.
In Office 365 there are two types of comments:
This item applies to Comments/Notes only.
For Threaded Comments, please follow: SpreadProcessing: Comments (Threaded Comments)
Add support for conditional formatting of cells - allow applying of rules used during visualization of cells to automatically apply formatting depending on their values.