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Created Unassigned: 使用 XSSFWorkbook 開啟 excel 檔案再回存,工作表及捲動列不見了 [13103]

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XSSFWorkbook T_workbook = new XSSFWorkbook(T_excelfile);
T_excelfile.Close();
T_excelfile = new FileStream(this.textBox1.Text, FileMode.Truncate, FileAccess.ReadWrite);
T_workbook.Write(T_excelfile);
只有簡單的程式碼,但是 為何會如此呢?

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