使用EPPLUS Excel库格式化列

Question

我写了一个C#程序来创建一个excel电子表格.工作表有多列.我想格式化其中一列.

aFile = new FileInfo(excelDocName); // excelDocName is a string
ExcelPackage pck = new ExcelPackage(aFile);
var ws = pck.Workbook.Worksheets.Add("Content");
ws.View.ShowGridLines = true;
ws.Cells["B:B"].Style.Numberformat.Format = "0.00";
ws.Cells[1, 1].Value = "AA";
ws.Cells[1, 2].Value = "BB";
ws.Cells[1, 3].Value = "CC";
ws.Cells[1, 4].Value = "DD";
for (int row = 2; row <= 10; ++row)
  for (int col = 1; col <= 4; ++col)
  {
  ws.Cells[row, col].Value = row * col;
  }
ws.Row(1).Style.Font.Bold = true;
pck.Save();

问题是,虽然它正确地格式化列,但它也使用格式而不仅仅是我指定的列格式化其他列.我也尝试过:

ws.Column(1).Style.Numberformat.Format = "0.00";

这是一个错误还是我错过了什么？

Answer 1

你打开一个现有的文件吗？在打开其他列之前,它可能已经应用于其他列.或像阿斯蒂安这样的模板说.

清除所有格式,以防万一:

ws.Cells["A:D"].Style.Numberformat.Format = null;
ws.Cells["B:B"].Style.Numberformat.Format = "0.00";

EPPlus 4.0.3中的完整单元测试:

[TestMethod]
public void Format_Single_Column_Test()
{
    //http://stackoverflow.com/questions/28698226/formatting-a-column-with-epplus-excel-library
    var excelDocName = @"c:\temp\temp.xlsx";
    var aFile = new FileInfo(excelDocName); // excelDocName is a string

    if (aFile.Exists)
        aFile.Delete();

    ExcelPackage pck = new ExcelPackage(aFile);
    var ws = pck.Workbook.Worksheets.Add("Content");
    ws.View.ShowGridLines = true;
    ws.Cells["A:D"].Style.Numberformat.Format = null;
    ws.Cells["B:B"].Style.Numberformat.Format = "0.00";
    ws.Cells[1, 1].Value = "AA";
    ws.Cells[1, 2].Value = "BB";
    ws.Cells[1, 3].Value = "CC";
    ws.Cells[1, 4].Value = "DD";
    for (int row = 2; row <= 10; ++row)
        for (int col = 1; col <= 4; ++col)
        {
            ws.Cells[row, col].Value = row*col;
        }
    ws.Row(1).Style.Font.Bold = true;
    pck.Save();
}