[英]Excel 2010 sometimes hangs on workbook.Save() from c# code, everything worked with Excel 2007
我的c#應用程序以以下方式將數據導出到xls文件(下面提供了代碼,由於原始代碼相當大,因此進行了簡化):
使用Excel 2007一切正常,使用Excel 2010有時會掛在工作簿的Save()方法上。 沒有錯誤,只是掛起(正在等待對話框之類的東西)。
我找不到任何模式:50個呼叫中有將近1個掛起。 重復的同一呼叫可以掛起或不掛起。
有什么想法為什么會發生這種情況?
var app = new Microsoft.Office.Interop.Excel.Application();
app.Visible = false;
app.Interactive = false;
app.ScreenUpdating = false;
app.AlertBeforeOverwriting = false;
app.DisplayFullScreen = false;
app.DisplayFunctionToolTips = false;
app.DisplayInfoWindow = false;
app.AskToUpdateLinks = false;
app.ShowStartupDialog = false;
app.DisplayAlerts = false;
app.UserControl = false;
app.DisplayStatusBar = false;
app.IgnoreRemoteRequests = true;
app.EnableLargeOperationAlert = false;
app.EnableEvents = false;
File.Copy(pathToTemplate, randomTempFileName);
var wb = app.Workbooks.Open
(randomTempFileName, 3, Missing.Value, Missing.Value, Missing.Value,
Missing.Value, true, Missing.Value, Missing.Value, Missing.Value,
Missing.Value, Missing.Value, false, Missing.Value, Missing.Value);
app.Calculation = Microsoft.Office.Interop.Excel.XlCalculation.xlCalculationManual;
for (int i = 1; i <= wb.Sheets.Count; i++)
{
var ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Sheets[i];
try
{
ws.EnableCalculation = false;
// Perform actions to save data into worksheet
}
finally
{
ws.EnableCalculation = true;
ComObject.Release(ws);
}
}
app.Calculation = Microsoft.Office.Interop.Excel.XlCalculation.xlCalculationAutomatic;
wb.Save();
wb.Close(false, Missing.Value, Missing.Value);
ComObject.Release(wb);
var workbooks = app.Workbooks;
foreach (Microsoft.Office.Interop.Excel.Workbook workbook in workbooks)
{
workbook.Close(false, Missing.Value, Missing.Value);
ComObject.Release(workbook);
}
ComObject.Release(workbooks);
app.Quit();
ComObject.Release(app);
app = null;
不知道為什么會這樣,但是如何嘗試逐頁保存。
是否不必一次節省很多紙?
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