wpf连接到sql本地数据库

using System;
using System.Data;
using System.Data.SqlClient;
using System.Windows;

namespace WpfSqlConnectionDemo
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            LoadData();
        }

        private void LoadData()
        {
            string connectionString = @"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\path\to\your\database.mdf;Integrated Security=True";
            string query = "SELECT * FROM YourTable";

            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                SqlCommand command = new SqlCommand(query, connection);
                try
                {
                    connection.Open();
                    SqlDataReader reader = command.ExecuteReader();

                    while (reader.Read())
                    {
                        // Process the data as needed
                        string data = reader["ColumnName"].ToString();
                        // Update UI with the data
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Error: " + ex.Message);
                }
            }
        }
    }
}