using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication5
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                // step 1 . using System.Data.SqlClient;

                // step 2 . 宣告連接字串

                string Constr = @"Server=tcp:iii89.database.windows.net,1433;Initial Catalog=外部連線測試資料庫;Persist Security Info=False;User ID=iii89;Password=Aa123456;MultipleActiveResultSets=False;Encrypt=True;TrustServerCertificate=False;Connection Timeout=30;";

                // step 3 . 建立SqlConnection
                SqlConnection conn = new SqlConnection(Constr);

                // step 4 . 宣告查詢字串
                string Sqlstr = "select * from Student_Info";

                // step 5. 建立SqlDataAdapter
                SqlDataAdapter da = new SqlDataAdapter(Sqlstr, conn);

                // step 6. 建立DataSet來儲存Table
                DataSet ds = new DataSet();

                // step 7. 將DataAdapter查詢之後的結果，填充至DataSet
                da.Fill(ds);

                // step 8 . 用DataGridView1 顯示出來
                //this.dataGridView1.DataSource = ds.Tables[0].DefaultView;
                dataGridView1.DataSource = ds.Tables[0].DefaultView;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
        }
    }
}