C#中连接MySQL数据库

这篇文章将通过两种方式来连接到MySQL数据库，也许会有很多种连接的方法，但是我们在这里只用其中的两种： 一种是第三方写的类：ByteFX，另一种是通过OdbcConnection来完成。 首先必须确定你的机器安装了MySQL,并且正确运行 ByteFX.Data.MySqlClient; ... ... ... myConnectionString ="DSN=MySQL;UID=root;PWD=root"; MySqlConnection myConnection = new MySqlConnection(myConnectionString); string myInsertQuery = "Select * from Authors"; MySqlCommand myCommand = new MySqlCommand(myInsertQuery); myCommand.Connection = myConnection; myConnection.Open(); MySqlDataReader objReader = myCommand.ExecuteReader(); int nResultCount = 0; while (objReader.Read()) { ++nResultCount; } 另一种方法就是通过Odbc来完成： using System.Data.Odbc; ... ... string myConnectionString ="DSN=MySQL;UID=root;PWD=root"; OdbcConnection MyConn; OdbcCommand MyCmd = new OdbcCommand(); MyConn = new OdbcConnection(myConnectionString); MyConn.Open(); MyCmd.Connection = MyConn; StringBuilder SQL = new StringBuilder(); SQL.Append("SELECT "); SQL.Append("*"); SQL.Append("FROM "); SQL.Append("Authors"); MyCmd.CommandText = SQL.ToString(); OdbcDataReader result = MyCmd.ExecuteReader(CommandBehavior.CloseConnection); int nResultCount = 0; while (result.Read()) { ++nResultCount; }

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