导入数据:根据需要,可以使用EPPlus提供的API将多个数据集导入到工作表中。可以使用LoadFromDataTable方法导入DataTable数据,使用LoadFromCollection方法导入集合数据,或者使用其他适合的方法导入数据。 设置样式:根据需要,可以使用EPPlus提供的API设置工作表的样式,包括字体、颜色、边框、对齐方式等。 保存Excel文件:使用Exc...
}publicDataTableLoadXlsxToDataTable(ExcelWorksheet ws){stringlastcolumn = ws.Columns.Range.LocalAddress.Split(':')[1];intlastrowno = ws.Cells.Where(x => x.Start.Column ==1).LastOrDefault().Start.Row; DataTable dt = ws.Cells[$"A1:{lastcolumn}{lastrowno}"].ToDataTable();returndt;...
Load(sdr); } } } catch (Exception e) { System.Diagnostics.Debug.WriteLine(e.Message); } finally { if (conn.State == ConnectionState.Open) { conn.Close(); } System.Diagnostics.Debug.WriteLine(dt.Rows.Count); } } return dt; } #endregion #region DataTable to Excel2007 private static...
比如使用数组或List等数据结构来存储数据,而不是使用DataTable。 总结起来,使用EPPlus修复性能缓慢的问题可以通过使用LoadFromCollection方法、批量操作、内存优化、避免频繁操作和选择合适的数据结构等方法来提高性能。具体的使用方法可以参考腾讯云的Excel操作指南。
worksheet.Cells.LoadFromDataTable(datatable, true);pck.Save();} //Load a dictionary from a file using (var pck = new ExcelPackage(existingFile)){ var worksheet = pck.Workbook.Worksheets["Sheet1"];//Cells only contains references to cells with actual data var cells = worksheet....
excelPack.Load(stream); } //Lets Deal with first worksheet.(You may iterate here if dealing with multiple sheets) varws = excelPack.Workbook.Worksheets[0]; //Get all details as DataTable -because Datatable make life easy :) DataTable excelasTable =newDataTable(); ...
11 string sheetName = string.IsNullOrEmpty(sourceTable.TableName) ? "Sheet1" : sourceTable.TableName; 12 ExcelWorksheet ws = pck.Workbook.Worksheets.Add(sheetName); 13 14 //Load the datatable into the sheet, starting from cell A1. Print the column names on row 1 ...
LoadFromCollection- Loads data into a range from anIEnumerable<T>using reflection. LoadFromCollection using attributes- Loads data into a range/table from anIEnumerable<T>using reflection. Uses attributes that specifies styling, number formats, formulas, etc. ...
This method provides an easy way to load data from IEnumerables of .NET classes into a spreadsheet. From EPPlus 5.5you can use attributesto get more fine granular control over the spreadsheet table and add calculated columns. Basic usage ...
"Sheet1": sourceTable.TableName;12ExcelWorksheet ws = pck.Workbook.Worksheets.Add(sheetName);1314//Load the datatable into the sheet, starting from cell A1. Print the column names on row 115ws.Cells["A1"].LoadFromDataTable(sourceTable,true);1617//Format the row18ExcelBorderStyle border...