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FileStream stream = new FileStream("test.xls", FileMode.OpenOrCreate)
ExcelWriter writer = new ExcelWriter(stream);
writer.BeginWrite();
writer.WriteCell (1, 0, "No");
    writer.WriteCell (1, 1, "Status");
    writer.WriteCell (1, 2, "Date");
    writer.WriteCell (1, 3, "Time");
    writer.WriteCell (1, 4, "Unit");
    writer.WriteCell (1, 5, "Total");
writer.EndWrite();
    stream.Close();

我在按钮中写了这段代码。当我第一次单击它时。但是当我再次单击它时出现错误:mono system.io.ioexception 在路径上共享冲突....如何修复它?请帮助。谢谢

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