();
For (INT I = 0; I {String nowtime = system. datetime. Now. tostring ("yyyy/mm/dd hh: mm: SS ");Insertdatatoaccess (oledbconn,Dtexcel. Rows [I] [0]. tostring (),Dtexcel. Rows [I] [1]. tostring (),Dtexcel. Rows [I] [2]. tostring (),Dtexcel. Rows [I] [3]. tostring (),Dtexcel. Rows [I] [4]. tostring (),Nowtime);}Oledbconn. Close ();
@@@@@@@@@// The following Code reads and writes an Excel file.// Basic conditions for code usage// * Using system. reflection; // reference this to use the missing
=Newdataset (); Da.fill (DS); Customergrid.datasource= ds.tables[0];usingSystem;usingSystem.Reflection;//reference this to use the missing fieldusingExcel;namespaceCExcel1 {classClass1 {[STAThread]Static voidMain (string[] args) { //Create a Application objectExcel.Application xapp=NewExcel.applicationclass (); Xapp.visible=true; //The Workbook object can be obtained in one of two ways: The following is the opening of an existing fileExcel.Workbook Xbook
Excel is the first way to create, open, read, write, and save general Code:
Using System;
Using System.Reflection;
Namespace CExcel1
{
Class Class1
{
[STAThread]
static void Main (string[] args)
{
Creating application objects
Excel.Application xapp=new Excel.applicationclass ();
Xapp.visible=true;
You can get the workbook object in one of two ways: The following is to open an existing file
Excel.Workbook Xbook=xapp.workbooks._open (@ "D:\Sample.
Transferred from
Http://hi.baidu.com/david_jdai/item/d3bf00262cd904140975085d
Koogra is an open-source excel reader on the. net platform. It can be downloaded from the open-source community. You can use it to read excel files without office. Although this program has stopped updating, it is still very useful. The following describes how to use it.Download the source code of the program, compile and generate Net. SourceForge. Koogra. dll. Reference this dll in the project, using Net. SourceForg
() method, regardless of the usage.
I spent a day trying a variety of methods. I went home to the balcony at night and sighed in the sky. Oh, heaven, please give a woman a boost. Cough... Sorry blew through
But it does hurt a lot of brain cells. (shut up)
The next day, a word that my colleague did not intend to give me a sigh of relief (se)
Macro
That's right. The method I use is macro, a tool in Excel-Macro.
In the module * Editor, type:
Sub StudyFind ()Sheets ("Learning Experiences"). SelectE
Background:
In the project, the need to manipulate the Excel document, this thought is OBA application, but it is not. OBA is embedding the. NET application plug-in in Excel, and we need to manipulate excel in SCSF.
I surveyed a little, mainly found 3 ways.
1: Use Microsoft.Office.Interop.Excel, invoke Excel COM components, manipulate Excel files
2: Use OLE DB to manipulate Excel data sources, and then use Ado.net.
3: Use the open XML to access the Excel ZIP file and use DOM.
Realize:
1:
directory, and then open VB6EXT.TLH to make changes:1 #include 2"mso.tlh"// Join this line 3 4namespace5{6 using namespace Office; // Join this line 7 ...Then modify the Excel.tlh file:1#include 2#include"MSO.TLH" //Join this line3#include"VBE6EXT.TLH" //Join this line4 5 namespaceExcel6 {7 using namespaceVbide;//Join this lineAt this time, the three lines #import deleted, and replaced by the # include "EXCEL.TLH" can be used:1#include"stdafx.h"2#include"EXCEL.TLH"3#include 4 5 int_tmain (
Koogra is an open-source Excel reader on the. NET platform. It can be downloaded from the open-source community. You can use it to read Excel files without office. Although this program has stopped updating, it is still very useful. The following describes how to use it.Download the source code of the program, compile and generate net. SourceForge. koogra. dll. Reference this DLL in the project, using net. SourceForge. koogra. Excel;
Workbook WB = new Workbook (PATH); path is the physical path o
Koogra is an open-source Excel reader on the. NET platform.ProgramYou can download it from the open-source community. You can use it to read Excel files without office. Although this program has stopped updating, it is still very useful. The following describes how to use it.Download to the programSource codeCompile and generate net. SourceForge. koogra. dll. Reference this DLL in the project, using net. SourceForge. koogra. Excel;
Workbook WB = new Workbook (PATH); path is the physical path o
In the Microsoft news group, I saw a post from jizira asking how to put users' photos in Excel.I thought it should be very simple, so I first recorded a macro and the result is:ActiveSheet. Pictures. Insert ("D: t.bmp"). Select
However, in C #, the WorkSheet class does not directly support methods such as Pictures. Insert. In MSDNOn the website, several Office development documents introduce common Application, WorkBook, and SheetLike how to read and write. Finally, after reading the help of VB
One,. From NuGet, reference the Microsoft.Office.Interop.Excel class library.Method One, open a execl table and save it firstApplication xApp =NULL; Workbook Xbook=NULL; Try { //1. Create a Applicaton objectXAPP =Newapplication (); Xapp.visible=true; Workbooks WBS=Xapp.workbooks; Workbook WB=WBS. ADD (Missing.Value); Worksheet Xsheet= (Worksheet) WB. worksheets["Sheet1"]; Range R= Xsheet.get_range ("A1","N1");
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