我正在尝试使用 Spire.Xls 将一些数据存储到 excel 文件中。
将多个文件中的数据复制到另一个 excel 文件的第一个工作表时,我想在到达row = 1,048,575时创建一个新的 excel 工作表,并将数据粘贴到这个新工作表中。这是我的代码:
Workbook tempbook = new Workbook();
tempbook.LoadFromFile(PathToSecondFile);
Workbook workbook = new Workbook();
workbook.LoadFromFile(PathToFirstFile);
//import the second workbook's worksheet into the first workbook using a datatable
Worksheet sheet2 = tempbook.Worksheets[0];
//copy data from sheet2 into a datatable
DataTable dataTable = sheet2.ExportDataTable();
//load sheet1
Worksheet sheet1 = workbook.Worksheets[0];
var c1 = sheet1.LastRow;
var c2 = sheet2.LastRow;
if (c1 >= 1048575 || c2 >= 1048575 || (c1 + c2) >= 1048575)
{
//create a new worksheet and append data into it but
//at this line getting Index out of bound exception
Worksheet sheet3 = workbook.Worksheets.Add("NewSheet");
sheet3.InsertDataTable(dataTable, false, sheet3.LastRow + 1, 1);
}
else
{
sheet1.InsertDataTable(dataTable, false, sheet1.LastRow + 1, 1);
}
}
即使代码超出异常,数据也会保存到 sheet2,但不会保存到 sheet1 的数据。欢迎所有建议。提前致谢。