在C#中操作SQLite数据库需要引用System.Data.SQLite命名空间,然后使用SQLiteConnection和其他相关类来连接、查询和操作数据库。以下是一个简单的示例:
using System.Data.SQLite;string connectionString = "Data Source=mydatabase.db;Version=3;";SQLiteConnection connection = new SQLiteConnection(connectionString);connection.Open();执行查询并读取结果:SQLiteCommand command = new SQLiteCommand("SELECT * FROM mytable", connection);SQLiteDataReader reader = command.ExecuteReader();while (reader.Read()){ Console.WriteLine(reader["column1"].ToString());}插入数据:SQLiteCommand insertCommand = new SQLiteCommand("INSERT INTO mytable (column1, column2) VALUES ('value1', 'value2')", connection);insertCommand.ExecuteNonQuery();更新数据:SQLiteCommand updateCommand = new SQLiteCommand("UPDATE mytable SET column1='newvalue' WHERE id=1", connection);updateCommand.ExecuteNonQuery();删除数据:SQLiteCommand deleteCommand = new SQLiteCommand("DELETE FROM mytable WHERE id=1", connection);deleteCommand.ExecuteNonQuery();断开数据库连接:connection.Close();以上是一个简单的示例,根据实际需求可能需要更复杂的操作,但基本操作原理都是类似的。希望对你有帮助。




