Asp.net操作Excel (用Com方式)

protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
ApplicationClass app = new ApplicationClass();
Workbook workBook = app.Workbooks.Open(@"e:\tt.xls", Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
Worksheet sheet = (Worksheet)workBook.Worksheets[1];
Response.Write(sheet.Name + "<br/>");
Range range = sheet.get_Range("E7:J112", Type.Missing);
Range item = null;
for (int row = 0; row < range.Rows.Count; row++)
{
for (int col = 0; col < range.Columns.Count; col++)
{
item = (Range)range.get_Item(row, col);
Response.Write(item.Value2);
Response.Write(" | ");
}
Response.Write("<br/>");
}
//关闭
app.Workbooks.Close();
app.Quit();
//释放
System.Runtime.InteropServices.Marshal.ReleaseComObject(item);
System.Runtime.InteropServices.Marshal.ReleaseComObject(range);
System.Runtime.InteropServices.Marshal.ReleaseComObject(sheet);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook);
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);

item = null;
app = null;
workBook = null;
range = null;

GC.Collect();
//杀进程
try{
KillExcelProcess();
}catch{}
}
}

public void KillExcelProcess()
{
Process[] myProcesses;

myProcesses = Process.GetProcessesByName("Excel");

foreach (Process myProcess in myProcesses)
{
myProcess.Kill();
}
}