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 System.Data.SqlClient; namespace App_19127650_DragonCompany { public partial class Form1 : Form { String sConnString = "";//parameter to connect to db server public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { } private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { } private void fileToolStripMenuItem_Click(object sender, EventArgs e) { } private void exitToolStripMenuItem_Click(object sender, EventArgs e) { DialogResult dr=MessageBox.Show("Do you want to exit?","Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dr == System.Windows.Forms.DialogResult.Yes) { MessageBox.Show("Are you sure?"); Application.Exit(); } } private void getQuery() { //1. Connect to DB SqlConnection conn = new SqlConnection(); conn.ConnectionString = sConnString; conn.Open(); //2. SQL Query string query="select nv.manv,honv+' '+tenlot+' '+tennv,luong from nhanvien nv" //3. Execute Query // //SqlCommand command=new SqlCommand(); //command.Connection=conn; //command.CommandText=query; //command.CommandType= CommandType.Text; //command.ExecuteNonQuery(); DataSet results=new DataSet(); SqlDataAdapter dataAdapt=new SqlDataAdapter(query,conn); dataAdapt.Fill(results); //4. Data Processing //5. Close connection } } }