注意一下Excel格式,我平时导入的是xlsx /// <summary> /// Excel 转换为 DataSet /// </summary> /// <param name="isFirstRowColumn">首行作为列名</param> /// <param name="fileName"></param> /// <param name="IsSupportForm

/// <summary> /// Export DataSet into Excel /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Form3_Load(object sender, EventArgs e) { //Create an Emplyee Dat

Dim objExcelFile As Excel.Application Dim objWorkBook As Excel.Workbook Dim objSheet As Excel.Worksheet objExcelFile = New Excel.Application objExcelFile.DisplayAlerts = False objWorkBook = objExcelFile.Workbooks.Open(filePath) objSheet = objWorkBook

// ----------------------32位机 //注释说明 //ExclePath 为Excel路径 批号 是指Excel文件中某一列必填项 public static DataSet GetDataTableForExcel(String ExclePath) { string strCon = String.Empty; strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExclePath + &qu

添加button在worksheet中 1. Shapes Object (Excel) Reference:http://technet.microsoft.com/zh-cn/library/ff841148 2. OLEObject 3. http://stackoverflow.com/questions/4046769/how-to-programatically-create-button-on-excel-worksheet-in-c 4.这个还没有读,应该不错 http://co

一.开工必备 1.micorosoft office2007 2.VS2010.Oracle 11 二.界面 三.内部代码 (1)获取数据库连接,定义全局变量 private static string connString = System.Configuration.ConfigurationSettings.AppSettings[ "connStr" ];         DataSet dTable; (2)选择Excel文件导入dataset if(openFileDial

最近在学习python将数据导入到excel,发现日期变成数字而不是日期格式的问题. 第一眼看去肯定是excel单元格格式问题,一般excel单元格格式为常规,而常规处理日期时就显示为数字,所以就想到用一个特定的数字(知道具体日期的),增加一天对应的数字就加1. 先看看python直接导入后日期的样子(下面时我随机举例的): 我们需要日期数据替换成标准的日期格式,具体的思路是: 1.先用excel实验2019-5-02对应的日期时间戳是43587. 2.再用2019-5-02减43587看是从什

Group按钮的作用就是使Excel能展示一个轮廓,将明晰列折上,只显示公式的结果列. 在代码中实现的方法: 用worksheet的get_range选中明晰columns的某行单元格,然后调用这个range的Group()方法.

using System;using System.Collections.Generic;using System.Data;using System.Data.OleDb;using System.Linq;using System.Text;using Log;namespace Common{ public class ExcelInputHelper { public static ExcelInputHelper Self = new ExcelInputHelper(); publ

#region 导入excel 返回Dataset public DataSet ExecleDataSet(string filename, string file, string Type) { string strConn = ""; if (Type.Equals(".xlsx")) { strConn = "Provider=Microsoft.Ace.OleDb.12.0;Data Source=" + filename + &quo

PasteSpecial(Format, Link, DisplayAsIcon, IconFileName, IconIndex, IconLabel, NoHTMLFormatting) 1. Format 可选.一个字符串,指定数据的剪贴板格式.常见格式字符串包括"HTML"."位图"."超链接"."Unicode 文本"和"文本". 2. Link 可选.为 true 可建立指向粘贴数据的源的链接.

=LEFT(A1,FIND("°",A1)-1)+MID(A1,FIND("°",A1)+1,FIND(CHAR(39),A1)-1-FIND("°",A1))/60+MID(A1,FIND(CHAR(39),A1)+1,FIND(CHAR(34),A1)-1-FIND(CHAR(39),A1))/60/60 =SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(H2,"°",":"),&qu

using System; using System.Collections.Generic; using System.Linq; using System.Data; using System.IO; using System.Xml; using DocumentFormat.OpenXml.Packaging; using DocumentFormat.OpenXml.Spreadsheet; using DocumentFormat.OpenXml; namespace ECLink.

public class OpenXmlHelper { /// <summary> /// 读取Excel数据到DataSet中,默认读取所有Sheet中的数据 /// </summary> /// <param name="filePath">Excel文件路径</param> /// <param name="sheetNames">Sheet名称列表,默认为null查询所有Sheet中的数据<

using System;using System.Collections.Generic;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Runtime.Remoting.Messaging;using Infragistics.Documents.Excel;using NPOI.HSSF.UserModel;using NPOI.SS.UserModel;using

using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Windows.Forms; using System.Reflection; namespace DMS { /// <summary> /// C#操作Excel类 /// </summary> class ExcelOperate { //法一 //public bool Data

//多个DataSet导出Excel文件 public static void DataSetToExcel(DataSet p_ds,string strSavePath) { ;//多个DataSet导出多个Excel,针对Excel文件中的第一个Sheet //实例化Excel对象 Microsoft.Office.Interop.Excel.Application app=new Microsoft.Office.Interop.Excel.Application(); //根据Exce

public static bool ExportToExcel_dataSet(string queryNo, string conditions) { bool _bl = false; try { Docmd.cnnOpen(); SqlCommand cmd = new SqlCommand(); cmd.CommandText = "dbo.sx_pro_QueryTest"; cmd.CommandType = CommandType.StoredProcedure; cm

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Collections; using System.Data.SqlClient; using Microso

using System; using System.IO; using System.Data; using System.Reflection; using System.Diagnostics; using System.Configuration; using System.Collections; using Excel; namespace thscjy {  ///  /// 套用模板输出Excel,生成xls文件和html文件  /// Author: Liu Wen  ///

开发环境基于VSTO,具体配置:visual studio 2010,VB .Net,excel 2007,文档级别的定制程序. 如题,我在ThisWorkbook.vb中添加了一个public函数来完成查找功能. 入参:待查找的sheet名称 返回:如果存在则返回worksheet对象,如果不存在则返回nothing     Public Function WorksheetExist(name As String) As Excel.Worksheet           Try