Interop を使用して Excel 2003 でワークシートをコピーする際に問題が発生しています。コードは 30 ~ 40 のコピーで機能し、「HRESULT からの例外: 0x800A03EC」という例外がスローされます。次のテスト コードには、http://support.microsoft.com/kb/210684/en-usで推奨されているパッチが既に含まれていますが、成功していません。誰もこれに対する回避策を知っていますか? 前もって感謝します
using Excel = Microsoft.Office.Interop.Excel;
private void button2_Click(object sender, EventArgs e)
{
string template_path = @"c:\temp\template.xlt";
string filename = @"c:\temp\testxl1.xls";
if (File.Exists(filename))
File.Delete(filename);
object missing = System.Reflection.Missing.Value;
System.Globalization.CultureInfo my_culture = System.Threading.Thread.CurrentThread.CurrentCulture;
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
Excel.ApplicationClass xlapp = new Excel.ApplicationClass();
xlapp.Visible = true;
xlapp.UserControl = true;
Excel.Workbook xlwb = xlapp.Workbooks.Add(template_path);
xlwb.SaveAs(@filename,
missing, missing, missing, missing, missing,
Excel.XlSaveAsAccessMode.xlNoChange,
missing, missing, missing, missing, missing);
Excel.Worksheet xlws = xlwb.Worksheets["diario"] as Excel.Worksheet;
int copies = 200;
for (int i = 0; i < copies; i++)
{
#region Patch kb/210684
if (copies % 10 == 0)
{
xlwb.Close(true, missing, missing);
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlwb);
xlwb = null;
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlws);
xlws = null;
Application.DoEvents();
xlwb = xlapp.Workbooks.Open(@filename, 0,
missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);
xlws = xlwb.Worksheets["diario"] as Excel.Worksheet;
}
#endregion
xlws.Copy(System.Reflection.Missing.Value, xlwb.Worksheets.Count);
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlws);
xlws = null;
xlwb.Close(true, missing, missing);
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlwb);
xlwb = null;
xlapp.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlapp);
xlapp = null;
System.Threading.Thread.CurrentThread.CurrentCulture = my_culture;
}