C# Using MySQL

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Configuration of MySQL on C# project.

1. Download the assembly from MySQL binary on installing MySQL connector .NET

2. Copy it to your project’s build out directory, such as ‘$ProjectDIR/Bin/Debug’

3. Add the assembly into your solution on “Add Reference…”

4. Add ‘using MySQL.Data’ namespace in your code.

Common Error

Configuration system failed to initialize

Please check syntax in the app.config. The format for using connectionstring in app.config should be like below:

<configuration>
  <connectionStrings>
    <add name="Northwind"
         providerName="System.Data.SqlClient"
         connectionString="server=(local);integrated security=SSPI;database=Northwind" />
  </connectionStrings>
</configuration>

Unable to find the requested .Net Framework Data Provider. It may not be installed.

MySql “找不到请求的 .Net Framework 数据提供程序。可能没有安装。”

需要在app.config或者web.config中添加下面的配置项

<system.data>
    <DbProviderFactories>
        <add name="MySQL Data Provider" description="ADO.Net driver for MySQL" invariant="MySql.Data.MySqlClient" type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data"/>
    </DbProviderFactories>
</system.data>