asp net read excel file into datatable

1. Read the data connection string of the excel file. You can set the connection string to provider = microsoft. jet. oledb.4.0; data source = d: myexcel.xls; extended properties = excel 8.0 ;. To read the excel files in .xlsxand

1. Read the data connection string of the excel file. You can set the connection string to provider = microsoft. jet. oledb.4.0; data source = d: myexcel.xls; extended properties = excel 8.0 ;. To read the excel files in .xlsxand

A few days ago, a friend company needs to use Excel to import and export the content in the database and excel through the Web! Asked me, I have done it before. Many similar solutions on the Internet use controls like DataGrid or gridview to directly import to excel, which is convenient, but not very practical, sometimes the exported

. xls format Office2003 and the following versions . xlsx format Office2007 and later Comma-delimited string literals in the. csv format (you can save both of these file types in this format) There are two different ways to read the first two formats and to read the latter format. The following program:Page Front Desk: The Background code: Declares a variable (

Use method Excelhelper.datatabletocsv (dt,@ "D:\1212.xls"); System.Diagnostics.Process.Start (@ "C:\1.xls"); Open Excel Filepublic static void Datatabletocsv (DataTable table, string file){string title = "";FileStream fs = new FileStream (file, FileMode.OpenOrCreate);FileStream FS1 = File.Open (

asp.net|excel| Upload | Data in csdn, people often ask how to open an Excel database file. This article through a simple example, the realization reads the Excel data file. First, create a Web application project, and add a DataGrid control, a

In csdn, someone often asks how to open an Excel database file. This article uses a simple example to read Excel data files. First, create a web applicationProgramProject: Add a DataGrid Control, a file control, and a button control to the web page. InCodeFirst, imp

In csdn, people often ask how to open an Excel database file. This article through a simple example, the realization reads the Excel data file. First, create a Web application project, and add a DataGrid control, a file control, and a button control to the Web page.

Copy Code code as follows: Using System; Using Microsoft.SharePoint; Using Microsoft.SharePoint.WebControls; Using System.Data; Using System.IO; Using System.Linq; Using System.Web; Using System.Collections; Using System.Data.OleDb; Using NuctechProject.DTO.Bll; Using System.Collections.Generic; Namespace NuctechProject.Layouts.Project { public partial class Introductionplan:layoutspagebase { string url = common.rooturl; private string _strconn; connections when you import

This article mainly introduces. NET reads Excel returns the datatable instance code, has the need friend to refer to the The code is as follows: using System; Using Microsoft.SharePoint; Using Microsoft.SharePoint.WebControls; Using System.Data; Using System.IO; Using System.Linq; Using System.Web; Using System.Collections; Using System.Data.OleDb; Using Nuctech

In a project, you need to import data from an Excel file and then datagridview it, and you need to save the data as an Excel file when you right-click DataGridView, and then write the two tool methods. This article provides two methods for translating between Excel and

Hssfworkbook Hssfworkbook; #region Public DataTable importexcelfile (string filePath) { #region//initialization information Try { using (FileStream file = new FileStream (FilePath, FileMode.Open, FileAccess.Read)) { Hssfworkbook = new Hssfworkbook (file); } } catch (Exception e) { throw E; } #endregion Npoi. Ss.

ASP. NET applications often encounter the need to read data from an Excel file or write data into an Excel file. In general, there are four solutions to

I recently studied how ASP. NET can efficiently read Excel files. The following is a summary: 1. Method 1: Use oledb to read Excel files: Use an Excel

Asp. NET reading Excel file method: Using OLE DB to read Excel files: To read an Excel file as

　　Total contents of this blog article category: http://www.cnblogs.com/asxinyu/p/4288836.html. NET read-write Excel tool Spire.xls use Article directory: http://www.cnblogs.com/asxinyu/p/4374032.htmlPrevious post: ". NET operations Excel Sharps Spire.xls Use (1) Introduction

ASP. NET allows you to upload an Excel file, and asp.net uploads an excel file. In the past few days, it has been easy to use to upload an Excel fi