Yesterday, in vs2005, we wanted to import and export the gridview into and out of Excel, So we achieved import and export according to the same Asp.net Excel Import & Export description in the previous article.
In practice, we can find that such a
Two Core Components of ADO. Net:. NET Framework data provider and DatasetData providers include connection objects, command objects, datareader objects, and dataadapter objects. They are used to connect to data sources, execute SQL statements, and
Asp.net MD5 encryption function (C #)
The following method can be used to directly input data and reverse the MD5 encrypted code.
/// /// Use MD5 Encryption/// /// input data /// Public static string MD5 (string sourcein){Md5cryptoserviceprovider
21. Custom Exception Handling
// Custom exception handling classUsing system;Using system. diagnostics;Namespace myappexception{/// /// Application exception handling class inherited from the system exception class applicationexception.///
The degree of film processing recently. I read many online examples, mostly PHP, and finally saw luq885 on cnblogs.
For the Asp.net application, he wrote a few examples below, fully satisfying some basic requirements. Because there is only front-end
ASP. net iis registration tool (aspnet_regiis.exe)
When multiple tasks are executed concurrently on a computer. net Framework, which is mapped to ASP. NET application ASP. the. net isapi version determines the version of the Common Language
1. Create a class product and productrepository
Public class product{Public int productid {Get; set ;}Public string name {Get; set ;}Public double price {Get; set ;}Public String description {Get; set ;}Public String SKU {Get; set ;}Public datetime
Layer 2 Structure and Its Application Concept and EnvironmentThe three-layer result development method in ASP. NET is actually the same as Java. In Java, the three-tier architecture is front-end HTML, JSP, and Servlet, the middle layer is JavaBean
When developing Web applications, we often need to parse the URL (request. URL), for example, "http: // localhost: 1897/news/press/content. aspx/123? Id = 1 # TOC ", we want to obtain the name of the first directory (News) in the website to
Working on an ASP. net mvc application and needed the abilityResolve a URLFromPartial View. For example, I have an image I want to display, but I need to resolve the virtual path (say ,~ /Content/images/new.png) into a relative path that the browser
ASP. NET:If there is only one text field, press enter to submit it. The Webserver buttonx_click cannot be intercepted and can only be intercepted in page_load on the webserver, it's no different from submitting a traditional web form to action
ASP. NET 2.0 form authentication mechanism (formsauthentication) http://www.diybl.com/
This article describes how to perform form authentication in ASP. NET 2.0, and explains how IIS and ASP. net2.0 form authentication mechanisms are combined. We
Recently, I encountered a problem when I used ASP. NET to write something: that is, after a user submits a form, the user will submit data repeatedly after pressing refresh, that is, the so-called "refresh and submit" problem. Search on the Internet,
Asp.net cannot ensure there are no repeated definitions in the registered JavaScript _ Asp.net skills
In ASP. NET 2.0, we use some methods whose names start with register to register client scripts using the page. clientscript attribute (that is, a
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Dim fullname, S, FS, FL, filesize, filename, currentpath, relativepath
'Get the file name parameter, which can be a form submission or query stringFullname = request. querystring ("down ")If fullname = "" Then call showmessage
There are so many SQL products that you may have to worry about. However, if you want to use ASP and SQL at the same time, you may feel dizzy. MySQL, SQL Server, and msql are both excellent SQL tools. Unfortunately, in the ASP environment, you do
Method 1: Use the XML Control XML method 1
Method 2: Use DOM technology method 2 of XML reading
Method 3: Use a DataSet object XML reading method 3
Method 4: Read data by text XML reading method 4
Application lifetimeAn ASP. NET application is created when the server is requested for the first time. No ASP. NET code is executed before that. After accepting the first request, an httpapplication instance pool is created and the
The best way to improve the performance of database-driven Web applications is to use the cache function. Retrieving data from a database may be one of the slowest operations performed in a web application. Because it involves multiple links, such
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