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- 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 SampleProject
- {
- public partial class Form1 : Form
- {
- public Form1()
- {
- InitializeComponent();
- }
- private void btnlogin_Click(object sender, EventArgs e)
- {
- string ConnectionString = "Server=localhost;Database=test;Uid=root;Pwd=password;sslmode=none;";
- using (MySqlConnection con = new MySqlConnection(ConnectionString))
- {
- con.Open();
- using (MySqlCommand cmd = con.CreateCommand())
- {
- cmd.CommandText = @"select count(*) from mysqlcsharp where UserName=@UserName and Password=@Password";
- cmd.Parameters.Add(new MySqlParameter("UserName", txtuser.Text));
- cmd.Parameters.Add(new MySqlParameter("Password", txtpass.Text));
- int i = Convert.ToInt32(cmd.ExecuteScalar());
- if (i > 0)
- {
- MessageBox.Show("UserName and Password correct.", "Succes!",MessageBoxButtons.OKCancel,MessageBoxIcon.Information);
- }
- else
- {
- MessageBox.Show("UserName or Password error.");
- }
- }
- }
- }
- }
- }
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