从SQL Server查询C#中的JSON

using System;
using System.Data.SqlClient;
using Newtonsoft.Json.Linq;

class Program
{
    static void Main()
    {
        string connectionString = "your_connection_string_here";
        string query = "SELECT ProductID, Details FROM Products WHERE ProductID = @ProductID";

        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            SqlCommand command = new SqlCommand(query, connection);
            command.Parameters.AddWithValue("@ProductID", 1);

            try
            {
                connection.Open();
                SqlDataReader reader = command.ExecuteReader();

                if (reader.Read())
                {
                    int productID = reader.GetInt32(0);
                    string jsonDetails = reader.GetString(1);

                    // 解析JSON数据
                    JObject detailsObject = JObject.Parse(jsonDetails);
                    Console.WriteLine($"Product ID: {productID}");
                    Console.WriteLine($"Name: {detailsObject["Name"]}");
                    Console.WriteLine($"Price: {detailsObject["Price"]}");
                    Console.WriteLine($"Category: {detailsObject["Category"]}");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error: {ex.Message}");
            }
        }
    }
}