WebNov 15, 2024 · This raw format is generally supported by ExcelDataReader to support very early versions of Excel which saved raw BIFF2-4 streams. ExcelDataReader does support raw BIFF5+ streams as well, despite not having seen any in the wild. WebJun 3, 2024 · When attempting to use SqlBulkCopy to bulk insert a ExcelDataReader stream reader (for example, a Very Large XLS that one might not want to load into memory all at once in a dataset), the call fails with Specified method is not supported during WriteToServer:. For example:
GetName and GetOrdinal not implemented #535 - GitHub
WebFeb 5, 2024 · Consider using a "real" CSV parser library like CsvHelper, or use ExcelDataReader's CreateCsvReader. ExcelDataReader.Exceptions.HeaderException Invalid file signature. … WebOct 1, 2024 · Issue looks like NET Core specific. On NET Framework 4.5 it works 2 seconds with my file. XlsxWorksheet constructor has a while loop: while ( (record = sheetStream.Read ()) != null). It takes almost all time. Stream is created by: using var sheetStream = Document.GetWorksheetReader (Path); Adding some kind of … boys razor cuts
Unable to load XLS file - "Invalid file signature ... - GitHub
WebSep 12, 2015 · ExcelDataReader / ExcelDataReader Public Notifications Fork Star 3.4k Issues Pull requests 8 Actions Projects Wiki Security Insights New issue excelReader.Error : Invalid file signature in xls..but reads same in xlsx file #83 Closed opened this issue on Sep 12, 2015 · 16 comments sourabhtiwari commented on Sep 12, 2015 WebDec 5, 2016 · ExcelDataReader / ExcelDataReader Public Notifications Fork Star New issue How to read hyperlink #183 Closed dipongkor opened this issue on Dec 5, 2016 · 4 comments dipongkor commented on Dec 5, 2016 appel1 added the duplicate label on Dec 3, 2024 appel1 closed this as not planned on Dec 3, 2024 WebJun 3, 2024 · ExcelDataReader / ExcelDataReader Public Notifications Fork 906 Star 3.4k Code Issues 62 Pull requests 8 Actions Projects Wiki Security Insights New issue GetName and GetOrdinal not implemented #535 Open gojimmypi opened this issue on Jun 3, 2024 · 4 comments gojimmypi commented on Jun 3, 2024 • edited #537 gym ballycoolin