Excel Number Format

VB C#

using IronXL;
using System;
using System.Linq;

// Load an existing WorkSheet
WorkBook workBook = WorkBook.Load("sample.xls");
WorkSheet workSheet = workBook.WorkSheets.First();

// Set data display format to cell
// The cell value will look like 12300%
workSheet["A2"].Value = 123;
workSheet["A2"].FormatString = "0.0%";

// The cell value will look like 123.0000
workSheet["A2"].First().FormatString = "0.0000";

// Set data display format to range
DateTime dateValue = new DateTime(2020, 1, 1, 12, 12, 12);
workSheet["A3"].Value = dateValue;
workSheet["A4"].First().Value = new DateTime(2022, 3, 3, 10, 10, 10);
workSheet["A5"].First().Value = new DateTime(2021, 2, 2, 11, 11, 11);

var range = workSheet["A3:A5"];

// The cell(A3) value will look like 1/1/2020 12:12:12 PM
range.FormatString = "MM/dd/yy h:mm:ss";

workBook.SaveAs("numberFormats.xls");

Imports IronXL
Imports System
Imports System.Linq

' Load an existing WorkSheet
Private workBook As WorkBook = WorkBook.Load("sample.xls")
Private workSheet As WorkSheet = workBook.WorkSheets.First()

' Set data display format to cell
' The cell value will look like 12300%
Private workSheet("A2").Value = 123
Private workSheet("A2").FormatString = "0.0%"

' The cell value will look like 123.0000
workSheet("A2").First().FormatString = "0.0000"

' Set data display format to range
Dim dateValue As New DateTime(2020, 1, 1, 12, 12, 12)
workSheet("A3").Value = dateValue
workSheet("A4").First().Value = New DateTime(2022, 3, 3, 10, 10, 10)
workSheet("A5").First().Value = New DateTime(2021, 2, 2, 11, 11, 11)

Dim range = workSheet("A3:A5")

' The cell(A3) value will look like 1/1/2020 12:12:12 PM
range.FormatString = "MM/dd/yy h:mm:ss"

workBook.SaveAs("numberFormats.xls")

Install-Package IronXL.Excel

Excel Number Format

我们可以使用FormatString属性来格式化任何Excel中Cell或Range的显示值，使用IronXL在C#中实现。

使用workSheet ["A2"]只会选择指定地址的Range。要访问Cell，必须使用First()方法。然而，FormatString 属性可以同时从 Cell 和 Range 设置。因此，可以完全去掉First()方法。可以使用与代码示例中相同的方法应用更多的 Excel 数字格式。

您可以从此链接下载文件项目。