Вот код С# windows form
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data.MySqlClient;
namespace BD2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void insertData()
{
string conStr = "server=127.0.0.1;user=mysql;" + "database=Test;password=mysql;sslMode=none;";
using (MySqlConnection con = new MySqlConnection(conStr))
{
try
{
string sql = "INSERT INTO friends (name, lastname, age)" +
"VALUES ('Misha', 'Ivanov', 26)";
MySqlCommand cmd = new MySqlCommand(sql, con);
con.Open();
cmd.ExecuteNonQuery();
MessageBox.Show("Данные добавлены!");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private void button1_Click(object sender, EventArgs e)
{
insertData();
}
private DataTable GetComments()
{
DataTable dt = new DataTable();
MySqlConnectionStringBuilder mysqlCSB;
mysqlCSB = new MySqlConnectionStringBuilder();
mysqlCSB.Server = "127.0.0.1";
mysqlCSB.Database = "Test";
mysqlCSB.UserID = "mysql";
mysqlCSB.Password = "mysql";
mysqlCSB.SslMode = MySqlSslMode.None;
string queryString = @"SELECT id, name, lastname, age FROM friends WHERE name >= CURDATE()";
using (MySqlConnection con = new MySqlConnection())
{
con.ConnectionString = mysqlCSB.ConnectionString;
MySqlCommand com = new MySqlCommand(queryString, con);
try
{
con.Open();
using (MySqlDataReader dr = com.ExecuteReader())
{
if (dr.HasRows)
{
dt.Load(dr);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
return dt;
}
private void button2_Click(object sender, EventArgs e)
{
dataGridView1.DataSource = GetComments();
}
}
}
