[英]How to Export Bulk data into Excel in C# (WPF) using Epplus?
导出具有300000行以上的批量数据时导致Memory out Exception
using (var p = new ExcelPackage())
{
ExcelWorksheet ws = CreateSheet(p, _workbookProperties.WorksheetName);
ws.Cells[1, 1, 1, dt.Columns.Count].Style.Font.Bold = true;
ws.Cells[1, 1, 1, dt.Columns.Count].Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
int rowIndex = 1;
CreateHeader(ws, ref rowIndex, dt);
CreateData(ws, ref rowIndex, dt);
//CreateFooter(ws, ref rowIndex, dt);
Byte[] bin = p.GetAsByteArray();
var tempFolder = Environment.ExpandEnvironmentVariables("%TEMP%");
string file = String.Format("{0}\\{1}-{2}.xlsx", tempFolder, _workbookProperties.WorkbookName, DateTime.Now.ToString("MMddyyyymmss"));
File.WriteAllBytes(file, bin);
//These lines will open it in Excel
var pi = new ProcessStartInfo(file);
Process.Start(pi);
}
将应用程序更改为64位,您将解决内存问题。
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