AutoComplete+数据库,自动完成功能
AutoComplete控件的作用是根据用户在文本框输入的字符而做出相应的提示效果。 例如GOOGLE搜索提示功能。 属性列表: TargetControlID:要实现提示功能的控件 ServicePath:WEB服务的路径 ServiceMethod:调用数据使用的方法 CompletionSetCount:提示数据的
AutoComplete控件的作用是根据用户在文本框输入的字符而做出相应的提示效果。
例如GOOGLE搜索提示功能。
属性列表:
TargetControlID:要实现提示功能的控件
ServicePath:WEB服务的路径
ServiceMethod:调用数据使用的方法
CompletionSetCount:提示数据的行数
MinimumPrefixLength:用户输入多少字母才出现提示效果
CompletionInterval:从服务器获取数据的时间间隔,单位为毫秒
Enabled:是否启用自动完成功能,默认为TRUE
EnableCaching:是否启用缓存
实例解析一、读取数据库实现自动完成功能
autocomplete表:ID,NAME两个字段。
Default.aspx代码如下:
head runat="server">
title>AutoComplete的使用title>
head>
body>
form id="form1" runat="server">
div>
asp:ScriptManager ID="ScriptManager1" runat="server">
asp:ScriptManager>
div>
asp:TextBox ID="TextBox1" runat="server">asp:TextBox>
cc1:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" TargetControlID="TextBox1" ServicePath="WebServiceAutoComplete.asmx" ServiceMethod="GetCompleteDepart" CompletionSetCount="2" MinimumPrefixLength="1"
CompletionInterval="1000">
cc1:AutoCompleteExtender>
form>
body>
WebServiceAutoComplete.asmx.cs文件代码如下:
using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
..
..
[System.Web.Script.Services.ScriptService]
public class WebServiceAutoComplete : System.Web.Services.WebService {
..
..
//定义数组
private static string[] autoCompleteWordList = null;
[WebMethod]
public string[] GetCompleteDepart(string prefixText, int count)
{
//如果数组为空
if (autoCompleteWordList == null)
{
DAL.DB DBOperator = new DAL.DB();
DataSet ds = DBOperator.GetDs("select name from autocomplete where name like '"+prefixText+"%' order by name");
//填充数组
string[] temp=new string[ds.Tables[0].Rows.Count];
int i = 0;
foreach (DataRow dr in ds.Tables[0].Rows)
{
temp[i] = dr["name"].ToString();
i++;
}
//将临时数组的内容赋给返回数组
autoCompleteWordList = temp;
}
string[] returnValue = new string[count];
returnValue = autoCompleteWordList;
//返回
return returnValue;
}
}

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



Go language is an efficient, concise and easy-to-learn programming language. It is favored by developers because of its advantages in concurrent programming and network programming. In actual development, database operations are an indispensable part. This article will introduce how to use Go language to implement database addition, deletion, modification and query operations. In Go language, we usually use third-party libraries to operate databases, such as commonly used sql packages, gorm, etc. Here we take the sql package as an example to introduce how to implement the addition, deletion, modification and query operations of the database. Assume we are using a MySQL database.

Hibernate polymorphic mapping can map inherited classes to the database and provides the following mapping types: joined-subclass: Create a separate table for the subclass, including all columns of the parent class. table-per-class: Create a separate table for subclasses, containing only subclass-specific columns. union-subclass: similar to joined-subclass, but the parent class table unions all subclass columns.

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

HTML cannot read the database directly, but it can be achieved through JavaScript and AJAX. The steps include establishing a database connection, sending a query, processing the response, and updating the page. This article provides a practical example of using JavaScript, AJAX and PHP to read data from a MySQL database, showing how to dynamically display query results in an HTML page. This example uses XMLHttpRequest to establish a database connection, send a query and process the response, thereby filling data into page elements and realizing the function of HTML reading the database.

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

What is GateToken(GT) currency? GT (GateToken) is the native asset on the GateChain chain and the official platform currency of Gate.io. The value of GT coins is closely related to the development of Gate.io and GateChain ecology. What is GateChain? GateChain was born in 2018 and is a new generation of high-performance public chain launched by Gate.io. GateChain focuses on protecting the security of users' on-chain assets and providing convenient decentralized transaction services. GateChain's goal is to build an enterprise-level secure and efficient decentralized digital asset storage, distribution and transaction ecosystem. Gatechain has original

Mobile Hejiaqin APP is a comprehensive software that integrates family management, intelligent control, and family communication. It aims to create a comfortable, intelligent and harmonious home environment for users through intelligent and convenient operations. Through this application, users can easily control and manage various smart devices at home and enjoy the convenience brought by smart life. So what are the specific functions of the Mobile and Jiaqin App? Users who want to know more about it can follow this article to learn more about it! Tutorial on how to use the Mobile and Jiaqin app: What are the uses of the Mobile and Jiaqin app? Even if you don’t know IT, you can easily manage the network. 2. No matter how many smart products you have, one app is enough. 3. Even if you are thousands of miles away from home, you can still "go home" to watch it. See 4. Rich functions, enjoy smart life
