C#怎樣以只讀的方式讀取SQLlite數(shù)據(jù)庫文件?

一、C#以只讀的方式讀取SQLlite數(shù)據(jù)庫文件的方法

1、使用 SQLite.NET

需要安裝 SQLite.NET NuGet 包，然后按照以下步驟讀取 SQLite 數(shù)據(jù)庫文件：

using System.Data.SQLite;string connectionString = "Data Source=path_to_your_database_file";using (SQLiteConnection connection = new SQLiteConnection(connectionString)){connection.Open();// 讀取數(shù)據(jù)using (SQLiteCommand command = new SQLiteCommand("SELECT * FROM your_table", connection))using (SQLiteDataReader reader = command.ExecuteReader()){    while (reader.Read())    {        // 處理每一行的數(shù)據(jù)        string column1 = reader.GetString(0);        int column2 = reader.GetInt32(1);        // ...    }}

2、使用 Entity Framework Core

需要安裝 Microsoft.EntityFrameworkCore.Sqlite NuGet 包，然后按照以下步驟讀取 SQLite 數(shù)據(jù)庫文件：

創(chuàng)建一個(gè) DbContext 類來表示數(shù)據(jù)庫上下文：

using Microsoft.EntityFrameworkCore;public class YourDbContext : DbContext{public DbSet YourEntities { get; set; }protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder){    string connectionString = "Data Source=path_to_your_database_file";    optionsBuilder.UseSqlite(connectionString);}

然后，在你的代碼中使用 DbContext 來讀取數(shù)據(jù)：

using (var context = new YourDbContext()){// 讀取數(shù)據(jù)var entities = context.YourEntities.ToList();foreach (var entity in entities){    // 處理每一行的數(shù)據(jù)    string column1 = entity.Column1;    int column2 = entity.Column2;    // ...}