asp net read excel file into datatable

Project often used to import the contents of the Excel file into the database, just spent a bit of time, did an example, basically can be imported into Excel after the display of the function bar, imported Excel file is XLS, that is 2003.The code idea is as follows: to

C # Excel file encryption, supporting xlsx, docx, pptx (C # \ Net \ Asp. Net ), From now on, I have closed it! No access is allowed! A man like a wind has the same character as a wind. The problem arises. When the wind encounters sand, you may not beWind child, I amSha ErOfT

Asp. Net write and read Xml (File Processing permission), asp. netxml 1. There are many blogs on the Internet about reading and writing Xml files. I have found that there are few blogs about Xml file permissions. During developmen

Reposted from: summary of the history of a difficult ASP. NET Excel file generation by Xuan soul's blog The last task of the statistics system is to export data to Excel. as it was the first time, I learned and made a great deal of effort. After that, I made a summary. The

Before doing the Winfrom program of export Excel file function, feel very simple. Now try to do the ability to export excel in ASP, before using the Microsoft.Office.Interop.Excel object to achieve data export Excel, it is completely disgusting to the

(); String sql= string. Format ("INSERT into Base_userinfo (User_id,user_code,user_name,user_account) VALUES (' {0} ', ' {1} ', ' {2} ', ' {3} ')", User _id, User_code, user_name, user_account);//sql database int a = new Sqlserverhelper (). Runsqlgetrowcount (SQL); Sqlcommand.commandtext = string. Format ("INSERT into base_appendpropertyinstance (propertyinstance_id,propertyinstance_key,property_control_id, Propertyinstance_value) VALUES (NEwi

ASP. net for txt file-related operations (read, write, save), asp. nettxt ASP. NET reads the txt file (Notepad) content: Using System; using

First, let's take a look at the instance code [csharp] string strCon = @ "Provider = Microsoft. ACE. OLEDB.12.0; Data Source = "+ excel_path +"; Extended Properties = 'excel 12.0; HDR = YES; IMEX = 1' "; OleDbConnection myConn = new OleDbConnection (strCon ); string strCom = "SELECT * FROM [Part $ A7: AK] where [Part No] = 10506"; myConn. open (); OleDbDataAdapter myCommand = new OleDbDataAdapter (strCom, myConn); DataSet myDataSet = new DataSet (); m

();System. Io. file. Delete (fullpath );Return true;}Catch{Return false;}} // // converts the data in the specified Excel file to a able object, further processing by the application /// /// /// Public static system. data. datatable import (string filepath) { bool CANOPEN = false; oledbconnection c

1. First, import the COM file Microsoft Excel 11.0 Object Library.2. Add the InterOP. Excel. dll file.Http://files.cnblogs.com/ghostljj/Interop.Excel.rar3. perform the following steps:/// /// Export Excel/// /// Public void exporttoexcel (system. Data. datatable DT){If (Dt =

During Asp. NET development, some list items are often exported as Excel for users to view and save, but file names and content are also frequently garbled. Recently, I have also received such a Bug. I have summarized several solutions for your reference. We hope that some of the following methods can solve your proble

Project IntroductionLightweight, Fast C # written library reads Microsoft Excel file (' 97-2007). Cross-platform: -Windows with. Net Framework 2 -Windows Mobile with Compact Framework -Linux, OS X, BSD with Mono How to use C # code: Copy Code code as follows: FileStream stream = File.Open (FilePath, FileMode.Open, FileAccess.Read); 1. Reading

ASP. NET Core uses Epplus.core import to export an Excel xlsx file, Epplus.core supports Excel 2007/2010 xlsx file Import and export, which can be run on Windows, Linux and Mac.Epplus.core is based on epplus changes and requires t

following describes the existing problems and solutions: getting the server-side datatable on the ASP. NET Ajax client. If you have not read the sample program, familiarize yourself with the sample program. In this article, we can get a datatable on the client. The callback

OleDbDataAdapter Way: //////Read the Excel table into the datatable---OleDbDataAdapter////// ///DataTablePublicStatic DataTable Readexcel (String Excelpath,String strSQL) {OleDbConnection objconn =Null; DataTable dt =NewDataTable ();Try{String excelconn ="Provider=Mi

Tags: des style blog HTTP color Io OS ar The previous articles briefly introduced how to use openxml to create an Excel document. In normal work, you often need to use Excel read/write operations. In a brief introduction, you can use openxml to read data in Excel. Of course,

. 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 (

Tags: style http io ar os using SP for fileReading data into the DataTable data type from an Excel table, I did this by using OLE DB (OLE DB is an abbreviation for object linking and embedding database) There is a workbook file with an extension of xlsx, "throttle list. xlsx", with 24 solar terms in the sheet Sheet1 The example program in this article (the code

/// Read Excel///Default First behavior table header, importing first worksheet/// /// Excel Document Path /// Public StaticDataTable Import (stringstrFileName) {DataTable dt=NewDataTable (); Hssfworkbook Hssfworkbook; using(FileStream fi