Private Sub btnExprot_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExprot.Click If Not T Is Nothing Then If T.ThreadState = ThreadState.Running Then Exit Sub End If T = New Thread(AddressOf Export) T.Start() End Sub Pr…
午休时间写了一个Demo关于Excel导入导出的简单练习 1.窗体 2.引用office命名空间 添加引用-程序集-扩展-Microsoft.Office.Interop.Excel 3.封装的ExcelHelper.cs关键类 using System; using System.Collections.Generic; using System.Data; using System.Data.OleDb; using System.IO; using System.Linq; using S…
在上一篇<NPOI操作excel之读取excel数据>我们把excel数据写入了datatable中,本篇就讲如何把datatable数据写入excel中. using System; using System.Data; using System.IO; using NPOI.SS.UserModel; using NPOI.XSSF.UserModel; using NPOI.HSSF.UserModel; namespace NPOIOprateExcel { public class…
先上代码 <script type="text/javascript" language="javascript"> var idTmr; function getExplorer() { var explorer = window.navigator.userAgent; //ie if (explorer.indexOf("MSIE") >= 0) { return 'ie'; } …
Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB Credits:Special thanks to @ifanchu for adding this problem and creating all test…
Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 Credits:Special thanks to @ts for addi…
表testTable 有以下数据,要统计各个电视剧的数量.在开发人员看来,使用sql操作完成select name,count(*) from TestTable where 1=1 group by name 但是,现在有这种情况,开发人员把数据导出给非开发人员使用,非开发人要统计各个电视剧的总数.下面介绍EXCEL中使用数据透视表完成 分组的功能. 先把要统计的列B的头部添加统计类型(电视剧)(如图1),点击插入-数据透视表,然后选择要统计的数据结果(如图2).然后确定(图3),把鼠标移到右…
Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 Credits:Special thanks to @ts for addi…
Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB Credits:Special thanks to @ifanchu for adding this problem and creating all test…