ASP

"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 "Modify registry" method

Contact 3 layer also has a period of time, to understand the level of general, some time ago in the three layer how to use the business, where to put it? Sqlherper? The DAL? Bll?. Then I will be crazy Baidu, several times are not fruit (because do

Many friends in the use of IIS6 Web site encountered a lot of problems, and some of these problems in the past IIS5 inside have encountered, some are new, I have been busy all afternoon, do A lot of experiments, combined with the previous experience

In the project development process, you will often encounter ASP.net repeater control to add ordinal columns, some novice may not, online collection of some, need friends can refer to the asp.net repeater add an ordinal column 1, 2,

Copy Code code as follows: That's what we can do in the ASP.net MVC Web application: Copy Code code as follows: @using (Html.BeginForm ("Upload", "Home", FormMethod.Post, new {enctype = "multipart/form-data"

1, in the system Landing Success Record login username, password and other information (login function part of the code) Copy Code code as follows: session["id"] = user.id.ToString (); session["name"] = User.name.ToString ();

Copy Code code as follows: Using System; Namespace Utilities { Common DateTime Methods. /// Public enum Quarter { i = 1, Second = 2, Third = 3, Fourth = 4 } public enum Month { January = 1, February = 2, March = 3, April =

Problems and solutions of server ASP.net permissions setting I server use environment: WIN 2003Asp. NET relative to ASP, set permissions is a bit different, there is a little set wrong to run. Search on the Internet are very rubbish answers, no

Since ASP.net, developers have been asking for a solution, and ASP.net 2.0 uses precompilation to provide an effective solution. Pre-compiling options When the application is first started, ASP. NET dynamically analyzes and compiles all the

Runtime Error Description:an Application error occurred on the server. The current custom error settings is application prevent the details of the application error from being viewed Remo Tely (for security reasons). It could, however, is viewed by

The efficiency of stored procedure execution is higher than that of individual SQL statements. Sample writing stored procedures? Stored procedures are in the programmable directory of the SQL Server 2005 counterpart database. For example, to create

Set current page full address is: Http://www.jb51.net/aaa/bbb.aspx?id=5&name=kelli"http://" is the protocol name"Www.jb51.net" is a domain name"AAA" is the station roll call"Bbb.aspx" is the name of the page (file name)"Id=5&name=kelli" is a

Copy Code code as follows: /************************************************** * All rights reserved: Mr_sheng * FileName: JSONHelper.cs * File Description: * Type description: Jsonhelper JSON help class * Authorization statement: * This

For example, when submitting a form, it may be slow to process because of a network or server, and the user repeatedly clicks on the button to submit before the result is processed. This can easily cause unnecessary trouble and even error. To say so

0. Introduction The Web page is stateless and the server is considered to be from different users for each request, so the state of the variable is not retained between successive requests for the same page or when the page jumps. When designing and

server controls, while convenient to use, also sacrifice performance, and sometimes seem accuse. Hope that advanced friends more advice. Copy Code code as follows: Engineering performance--with a for loop instead of the DataList

There are several series of tutorials on asp.net mvc online, so don't start from scratch, and recommend a few links at the end, so you can look at the system from scratch. 1, asp.net mvc introduction and the difference with asp.net webform In

The use of ASP.net AJAX 4.0 templates1. Introduction:When Microsoft released its ASP.net 3.0, it also released its Ajax platform, which is ASP.net ajax. But to be honest, it didn't have any outstanding features compared to other AJAX platforms. But

Copy Code code as follows: if (fileupload1.hasfile) Try { Fileupload1.saveas ("d:\\lucenedata\\" + fileupload1.filename); Label1.Text = "File Name:" + FileUpload1.PostedFile.FileName + "" + FileUpload1.PostedFile.ContentLength + "kb" +

Main idea: Forms authentication is used to determine whether a legitimate user, when the user is legitimate, and then through the user's role to determine the page can be accessed. Specific steps: 1, create a website, the structure is as