Collecting 51aspx technical articles

ASP. net2.0-prevents simultaneous login by the same user
Overview: to prevent the same user from logging in at the same time, the home page should record the information of the online user (Here we use the user name as an example), and then determine whether the Login User already exists.
Address:Http://bbs.51aspx.com/showtopic-315.html

The following are 26 Optimization Methods Commonly Used in ASP. NET:Http://bbs.51aspx.com/showtopic-2168.html

How to encapsulate JS and CSS files as the control address on the server side:Http://bbs.51aspx.com/showtopic-2167.html

Source Code address for ASP. NET email sending:Http://bbs.51aspx.com/showtopic-2169.html

Design Asp.net applicationsProgramSeven Tips:Http://bbs.51aspx.com/showtopic-2170.html

Session status persistence in Asp.net:Http://bbs.51aspx.com/showtopic-2171.html

Several Methods for passing parameters between Asp.net pages:Http://bbs.51aspx.com/showtopic-2191.html

. Net learning operator overloading tips:Http://bbs.51aspx.com/showtopic-2192.html

ASP. NET 2.0 URL ing tip address:Http://bbs.51aspx.com/showtopic-2193.html

How to optimize ASP. NET performance:Http://bbs.51aspx.com/showtopic-2194.html

The following is the address for collecting statistics on the number of online users of Asp.net in vs2005:Http://bbs.51aspx.com/showtopic-2073.html

The self-adaptive height of IFRAME is simple! (Absolutely usable)Http://bbs.51aspx.com/showtopic-2263.html

A complete set of image thumbnails and watermarksCodeHttp://bbs.51aspx.com/showtopic-883.html
Asp.net converts various video files into. FLV formatsHttp://bbs.51aspx.com/showtopic-1907.html
Cookie programming in C #Http://bbs.51aspx.com/showtopic-1925.html

Asp.net simple anti-SQL Injection Code address:Http://bbs.51aspx.com/showtopic-1926.html
Stored Procedure address for paging: Http://bbs.51aspx.com/showtopic-1223.html
Summary of CSS failure in ASP. NET and solution address: Http://bbs.51aspx.com/showtopic-2426.html
A Simple Method for automatically scrolling the page to the specified position after page sending back: Http://bbs.51aspx.com/showtopic-2934.html
About the Silverlight version: Http://bbs.51aspx.com/showtopic-2280.html
Full Set of JavaScript addresses: Http://bbs.51aspx.com/showtopic-2964.html
Use user control to generate an HTML address:Http://bbs.51aspx.com/showtopic-3036.html
Detailed description of the vs file suffix (see if you don't know: Http://bbs.51aspx.com/showtopic-2379.html
The following code is commonly used in Asp.net: Http://bbs.51aspx.com/showtopic-156.html
Stored Procedure learning address: Http://bbs.51aspx.com/showtopic-2019.html
Execute URL rewriting address in ASP. NET: Http://bbs.51aspx.com/showtopic-2734.html
Set of methods for uploading and downloading files in ASP. NET (original) Address: Http://bbs.51aspx.com/showtopic-2801.html
SQL query database table name and table column name address:Http://bbs.51aspx.com/showtopic-3156.html
Technical analysis address for SQL statement optimization: Http://bbs.51aspx.com/showtopic-2984.html
The method address from the SQL statement to the nth record: Http://bbs.51aspx.com/showtopic-3051.html

Filter personal addresses based on the first letter of the alphabet:Http://bbs.51aspx.com/showtopic-1722.html

In Asp.net, select a value from the pop-up formHttp://bbs.51aspx.com/showtopic.aspx? Page = end & topicid = 163 #7688