Home Database Mysql Tutorial sqlserver,sqlite,access数据库链接字符串

sqlserver,sqlite,access数据库链接字符串

Jun 07, 2016 pm 03:34 PM
access sqlite sqlserver database Link

SqlServer:string connection = "server=32.1.1.48;database= 数据库 名;user=sa;password=sa2008"; access 2007: //无密码的连接 字符串 stringconStr ="Provider=Microsoft.Ace.OleDb.12.0;Data Source=E://111.accdb;Persist Security Info=False"; //有

SqlServer:string connection = "server=32.1.1.48;database=数据库名;user=sa;password=sa2008";

access 2007:

    //无密码的连接字符串

            string conStr = "Provider=Microsoft.Ace.OleDb.12.0;Data Source=E://111.accdb;Persist Security Info=False";

     //有密码的连接字符串

            string conStr = "Provider=Microsoft.Ace.OleDb.12.0;Data Source=E://111.accdb;Jet OleDb:DataBase Password=111";

access 2003

          //无密码的连接字符串

            string conStr = "Provider=Microsoft.Jet.OleDb.4.0;Data Source=E://111.mdb;Persist Security Info=False";

     //有密码的连接字符串

            string conStr = "Provider=Microsoft.Jet.OleDb.4.0;Data Source=E://111.mdb;Jet OleDb:DataBase Password=111";

    链接access数据库若出现 无法启动应用程序 工作组信息文件丢失 有可能是链接字符串链接不正确

 

Sqlite :

    string conStr = "Data Source=E://111.db;Password=111";

    在使用SQLite时需要添加一个引用 System.Data.SQLite,C#在运行时候会提示混合模式程序集是针对“v2.0.50727”版的运行时生成的,在没有配置其他信息的情况下,无法在 4.0 运行时中加载该程序集 ,这个问题可以在app.config中添加一个配置节:startup

<startup uselegacyv2runtimeactivationpolicy="<span">"<span>true</span><span>"</span>>
    <supportedruntime version="<span">"<span>v4.0</span><span>"</span>/>
  </supportedruntime></startup>
Copy after login

 

 

 

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

MySQL: An Introduction to the World's Most Popular Database MySQL: An Introduction to the World's Most Popular Database Apr 12, 2025 am 12:18 AM

MySQL is an open source relational database management system, mainly used to store and retrieve data quickly and reliably. Its working principle includes client requests, query resolution, execution of queries and return results. Examples of usage include creating tables, inserting and querying data, and advanced features such as JOIN operations. Common errors involve SQL syntax, data types, and permissions, and optimization suggestions include the use of indexes, optimized queries, and partitioning of tables.

Why Use MySQL? Benefits and Advantages Why Use MySQL? Benefits and Advantages Apr 12, 2025 am 12:17 AM

MySQL is chosen for its performance, reliability, ease of use, and community support. 1.MySQL provides efficient data storage and retrieval functions, supporting multiple data types and advanced query operations. 2. Adopt client-server architecture and multiple storage engines to support transaction and query optimization. 3. Easy to use, supports a variety of operating systems and programming languages. 4. Have strong community support and provide rich resources and solutions.

How to configure zend for apache How to configure zend for apache Apr 13, 2025 pm 12:57 PM

How to configure Zend in Apache? The steps to configure Zend Framework in an Apache Web Server are as follows: Install Zend Framework and extract it into the Web Server directory. Create a .htaccess file. Create the Zend application directory and add the index.php file. Configure the Zend application (application.ini). Restart the Apache Web server.

How to use Debian Apache logs to improve website performance How to use Debian Apache logs to improve website performance Apr 12, 2025 pm 11:36 PM

This article will explain how to improve website performance by analyzing Apache logs under the Debian system. 1. Log Analysis Basics Apache log records the detailed information of all HTTP requests, including IP address, timestamp, request URL, HTTP method and response code. In Debian systems, these logs are usually located in the /var/log/apache2/access.log and /var/log/apache2/error.log directories. Understanding the log structure is the first step in effective analysis. 2. Log analysis tool You can use a variety of tools to analyze Apache logs: Command line tools: grep, awk, sed and other command line tools.

What is apache server? What is apache server for? What is apache server? What is apache server for? Apr 13, 2025 am 11:57 AM

Apache server is a powerful web server software that acts as a bridge between browsers and website servers. 1. It handles HTTP requests and returns web page content based on requests; 2. Modular design allows extended functions, such as support for SSL encryption and dynamic web pages; 3. Configuration files (such as virtual host configurations) need to be carefully set to avoid security vulnerabilities, and optimize performance parameters, such as thread count and timeout time, in order to build high-performance and secure web applications.

How to monitor Nginx SSL performance on Debian How to monitor Nginx SSL performance on Debian Apr 12, 2025 pm 10:18 PM

This article describes how to effectively monitor the SSL performance of Nginx servers on Debian systems. We will use NginxExporter to export Nginx status data to Prometheus and then visually display it through Grafana. Step 1: Configuring Nginx First, we need to enable the stub_status module in the Nginx configuration file to obtain the status information of Nginx. Add the following snippet in your Nginx configuration file (usually located in /etc/nginx/nginx.conf or its include file): location/nginx_status{stub_status

Oracle's Role in the Business World Oracle's Role in the Business World Apr 23, 2025 am 12:01 AM

Oracle is not only a database company, but also a leader in cloud computing and ERP systems. 1. Oracle provides comprehensive solutions from database to cloud services and ERP systems. 2. OracleCloud challenges AWS and Azure, providing IaaS, PaaS and SaaS services. 3. Oracle's ERP systems such as E-BusinessSuite and FusionApplications help enterprises optimize operations.

Using Dicr/Yii2-Google to integrate Google API in YII2 Using Dicr/Yii2-Google to integrate Google API in YII2 Apr 18, 2025 am 11:54 AM

VprocesserazrabotkiveB-enclosed, Мнепришлостольностьсясзадачейтерациигооглапидляпапакробоглесхетсigootrive. LEAVALLYSUMBALLANCEFRIABLANCEFAUMDOPTOMATIFICATION, ČtookazaLovnetakProsto, Kakaožidal.Posenesko

See all articles