asp net open excel file

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

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

"Export the data in the gridview displayed on the page to an Excel table" encountered the following error: C # The format of the Excel file to be exported is different from the format specified by the extension. Details Solution: Here we use "modify registry method" to solve this problem, which does not solve the problem from the root: 1.

Enter the following code in the click Event of the button to write the Excel file.When writing an Excel file, you must set the permissions for the project folder to grant the iuser_machine user the write permission.Private void button#click (object sender, System. EventArgs e){String filename = "";Excel. ApplicationCla

The following class libraries are mainly found: Myxls (http://sourceforge.net/projects/myxls/) Koogra (http://sourceforge.net/projects/koogra/) Excellibrary (http://code.google.com/p/excellibrary/) Excelpackage (http://excelpackage.codeplex.com/) Epplus (http://epplus.codeplex.com/) Linqtoexcel (http://code.google.com/p/linqtoexcel/) Netoffice (http://netoffice.codeplex.com/) need to install Office Excel The class

; Col ) { if(Bheaderrow) {sb. Append (worksheet. Cells[row, Col]. Value.tostring ()+"\ t"); } Else{sb. Append (worksheet. Cells[row, Col]. Value.tostring ()+"\ t"); }} sb. Append (Environment.NewLine); } returnContent (sb.) ToString ()); } } Catch(Exception ex) {returnContent (ex. Message); } }Run the program to

"Export data from the GridView in the page to Excel table" encountered an error: C # export Excel file open Excel file format inconsistent with extension specified format. Specific hints as shown: workaround : Use the "Modif

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

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

(); 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

","attachment;filename="+fileinfo.name); -Response.AddHeader ("Content-length", fileInfo.Length.ToString ()); -Response.AddHeader ("content-transfer-encoding","binary"); the //tell the browser to pass to the user is a non-txt,rar, etc. does not appear on the Ieem of a file, do not need to open in the browser page, need to download directly -Response.ContentType ="Application/octet-stream"; -

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 .xls format, set the connection character to "provider = microsoft. ace. oledb.12.0; data

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 .xls format, set the connection character to "provider = microsoft. ace. oledb.12.0;

Solution: Open your Excel file in Notepad FileTo check whether it is garbled. For HTML Code, Indicates that your Excel file format is not a standard Excel format, and the error "External table is not in the expected format" wi

090618 the problem is that excel is related to the high security settings of the collection, so you can modify the security. Other people's solutions to similar problems --" Post, original post address: http://blog.csdn.net/dezwen/archive/2007/11/03/1864769.aspx Cocould not load file or assembly 'Microsoft. Office. Interop. Excel, Version = 11.0.0.0, Culture = n

From: http://www.cnblogs.com/ok519/archive/2009/09/21/1570903.html Recently, the winform application was developed, involving the embedding of Excel files. Technical verification is also coming to an end. You need to sort out the help documentation .. Open excel with the webbrowser control. /// ////// Public static Microsoft. Office. InterOP.

Cocould not load file or assembly 'Microsoft. Office. Interop. Excel, Version = 11.0.0.0, Culture = neutral, PublicKeyToken = 71e9bce111e9429c' or one of its dependencies. There are two reasons for this problem: 1. "Excel 2003" is not installed in the system "; 2. "Excel 2003" is installed in the system, but it is not

Cocould not load file or assembly 'Microsoft. Office. InterOP. Excel, version = 11.0.0.0, culture = neutral, publickeytoken = 71e9bce111e9429c' or one of its dependencies. There are two reasons for this problem: 1. "Excel 2003" is not installed in the system "; 2. "Excel 2003" is installed in the system, but it i