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I. Selection of Sqldataread and Datasets Sqldataread Advantages: Read data very quickly. If you do not need to do a lot of processing for the returned data, it is recommended to use SqlDataReader, which has a much better performance than Datset.

Share 10 AJAX development standards and recommend AJAX learners ' Collections! 1. Before and after the end to do a good job of security checksCan not rely on the front-end to do security verification work, the back end must have a filtration

Javascript| Script | performance | optimization With the development of the network and the speed of the machine, more and more websites use the rich client technology. Now Ajax is one of the most popular ways. JavaScript is an interpreted language,

asp.net|datagrid| Data | Do you see any actual work in the DataGrid to display data with primary and secondary structure? If you are familiar with ado.net and SQL Server2000, let's take a sample database, Northwind, and vb.net that takes advantage

datagrid| page The test table is now set up in the database, with the fields ID, Code, Name, respectively; Database links here is not specifically written, the database link and operation request I wrote in the AreaInfo.cs, the code will be used,

  This article is mainly about the two select multiple selection mode of the option to move the sample code for each other, the need for friends can come to the reference, I hope to help you. As follows: code is as follows:

ASPX page: Copy CodeThe code is as follows: Width= "500px" onmodechanging= "detailsview1_modechanging" onitemdeleting= "detailsview1_itemdeleting" onitemupdating= "detailsview1_itemupdating" oniteminserting= "detailsview1_iteminserting" >

xml| Client | display By passing parameters to the XSL + data island mode, the display of the sub frame of the client's individual XML is implemented. For less data XML data, you can use one download all the data, will display all to the client

Beginner Ajax Soon, I write a small thing to make a study diaryMessage board pictures are as follows: Sample address: http://www.8dao.net/miniguest/ First, the Access database is used for ease of movement.Database is simple, table guest, field

javascript| function When you need to dynamically create statements, you will find it very unique role, the Internet to see a half-day, to find some scattered content, want to also calculate very comprehensive, all of it gathered up here for later

Datagrid Disadvantages relative to the previous use of relation: 1. Cannot limit the number of records returned; 2. State time inconvenient, not even the state set; 3. The procedure is simple, but not easy to understand. 4. Possible nesting of more

cgi| Security | Security Vulnerabilities 26 Type: Attack type Name: webwho.pl Risk Rating: Medium Description: If you have webwho.pl this CGI script in your Web executable directory, the intruder will be able to use it to read and write any files

New features in Vbsctipt 5.0 Features that can be applied in ASP include those provided by the scripting engine, which means that VBScript improvements can also be applied in ASP. The improvements to VBScript are described below: 1, use the class

javascript|vbscript| Script Previously in the work Flow (workflow) project, one of them is that when a user makes a process definition, it is possible to write a script to control the jump of the activity, and after these scripts are defined, the

This article mainly introduced JS to get the object type in the key value of the method, the need for friends can refer to the Recently encountered a problem: The code is as follows: var obj = {"name1": "John", "name2": "Dick"}; var key = "Name1"

Article Introduction: are you still complaining that your canvas demo is hovering below 10 frames? Are you still bothering to open your own writing application and hear the cup fan turn? Are you writing a JavaScript canvas library? So here are nine

Web page Production WEBJX article introduction: the operation of Internet products. Yesterday at the annual meeting of the UCDChina2010 year, generally similar to such a conference, the workshop is often the most harvested, because the

Let me introduce it in Pippy good news and bad news jokes. The good news about Pippy is that Python programmers can write and run programs entirely on Palm. Also, it becomes faster, more stable, and easier to use for version 0.7,pippy. The bad news

Couplet | couplet Advertisement | page Click here to view the effect Now a lot of website advertising to do in full swing, now I would like to introduce the common couplet floating advertising effect code use method, this article describes this

Server we can save any type of file to SQL Server, and before we do that, we'll set up a test table, Testfile.sql: if exists (SELECT * from dbo.sysobjects WHERE id = object_id (N ' [dbo].[ TestFiles] ') and OBJECTPROPERTY (ID, N ' isusertable ') = 1