[英]How to download Excel object in ASP.Net
Please consider this code: 请考虑以下代码:
Microsoft.Office.Interop.Excel.Application objApp;
Microsoft.Office.Interop.Excel._Workbook objBook;
Microsoft.Office.Interop.Excel.Workbooks objBooks;
Microsoft.Office.Interop.Excel.Sheets objSheets;
Microsoft.Office.Interop.Excel._Worksheet objSheet;
Microsoft.Office.Interop.Excel.Range range;
int ColumnsCount = dt.Columns.Count;
int RowsCount = dt.Rows.Count;
objApp = new Microsoft.Office.Interop.Excel.Application();
objBooks = objApp.Workbooks;
objBook = objBooks.Add(System.Reflection.Missing.Value);
objSheets = objBook.Worksheets;
objSheet = (Microsoft.Office.Interop.Excel._Worksheet)objSheets.get_Item(1);
for (int i = 1; i < ColumnsCount + 1; i++)
{
objSheet.Cells[1, i] = dt.Columns[i - 1].ColumnName;
}
range = objSheet.get_Range("A2", System.Reflection.Missing.Value);
range = range.get_Resize(RowsCount, ColumnsCount);
string[,] saRet = new string[RowsCount, ColumnsCount];
for (int iRow = 0; iRow < RowsCount; iRow++)
{
for (int iCol = 0; iCol < ColumnsCount; iCol++)
{
saRet[iRow, iCol] = dt.Rows[iRow][iCol].ToString();
}
}
//Set the range value to the array.
range.set_Value(Missing.Value, saRet);
I want to download Excel object that I created. 我想下载我创建的Excel对象。 The problem is
Microsoft.Office.Interop.Excel._Workbook
is not serializable and until I save it I can't access Excel file. 问题是
Microsoft.Office.Interop.Excel._Workbook
无法序列化,并且在保存之前,我无法访问Excel文件。 How I can download Excel that created in memory? 如何下载在内存中创建的Excel?
thanks 谢谢
This seems like one of the many problems related to Microsoft KB: Considerations for server-side Automation of Office . 这似乎是与Microsoft KB相关的许多问题之一:Office的服务器端自动化的注意事项 。 Using Excel Interop server-side isn't supported.
不支持在服务器端使用Excel Interop。
I'd recommend you export csv files or look into OpenXML or the easier version ClosedXML to generate xslx files on the server. 我建议您导出csv文件或使用OpenXML或更简单的版本ClosedXML在服务器上生成xslx文件。
See the other methods in this MSDN guide: How To Asp.Net Export Excel 请参阅此MSDN指南中的其他方法: 如何Asp.Net导出Excel
您的工作簿上应该有一个SaveAs方法,可用于另存为xls文件。
objBook.SaveAs("my-workbook.xls");
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.