using Npgsql; 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; namespace TestsManipulate { public partial class AnswerOptionsPage : Form { public AnswerOptionsPage() { InitializeComponent(); LoadData(); } private void LoadData() { var conn = new NpgsqlConnection(Program.connString); conn.Open(); var cmd = new NpgsqlCommand("select * from answer_options", conn); var reader = cmd.ExecuteReader(); var dt = new DataTable(); dt.Load(reader); dataGridView1.DataSource = dt; conn.Close(); } } }