WebNov 15, 2016 · 1 Answer. The main reason that you are not seeing the changes is because you are writing the workbook to a MemoryStream instead of writing back to the file. What you should be doing is this: using a FileStream in Read mode to read the spreadsheet file completely; using a FileStream in Write mode to write back to the file (or optionally write … WebApr 14, 2013 · 2. As you stated, converting to an array can have some performance drawbacks. What foreach does behind the scenes is get an enumerator in the HashSet …
Removing column of Excel sheet using NPOI (1.2.5.0)
WebJul 10, 2015 · Here is a way to get both the actual last row index and the number of physically existing rows: public static int LastRowIndex(this ISheet aExcelSheet) { IEnumerator rowIter = aExcelSheet.GetRowEnumerator(); return rowIter.MoveNext() ? aExcelSheet.LastRowNum : -1; } public static int RowsSpanCount(this ISheet … flovent hfa administration
C#NPOI操作Excel_c# npoi 操作excel_小豹小小小的博客-CSDN博客
WebMay 18, 2024 · Awesome, thanks. A couple of things worth adding: if you are using a FileStream, inputStream should be FileMode.Open and FileAccess.Read, and in order to save your changes to disk, you need to open a new FileStream with FileAccess.Write permission; it doesn't seem to work with a ReadWrite stream. Aside from Write(), NPOI's … Web1,245 posts. 52.8K followers. 4,461 following. 𝐒𝐞𝐞𝐝𝐬𝐡𝐞𝐞𝐭. Design your perfect garden, and we'll ship it to your door. Customizable roll-out gardens, as seen on SHARK TANK. #seedsheet. WebApr 9, 2024 · c# 得到excel表格中的有效行数和列数 每种方法中上面的是Excel的行数，下面的是Excel的列数。 方法七：经过加工修改已经可以读出来的是有效数据行 greek brown and wild rice bowls