private void Simple_Read_Load(object sender, EventArgs e) { BLL.Read_students query = new BLL.Read_students(); this.dataGridView1.DataSource = query.ReadNotes(); this.dataGridView1.DefaultCellStyle.Font = new Font("Microsoft Sans Serif", 10); this.dataGridView1.Refresh(); }
private void Select_Students() { BLL.Read_students query = new BLL.Read_students(); try { this.dataGridView1.DataSource = query.ReadStudents(); this.dataGridView1.DefaultCellStyle.Font = new Font("Microsoft Sans Serif", 10); this.dataGridView1.Refresh(); } catch (Exception) { this.dataGridView1.DataSource = null; MessageBox.Show("Error in connection"); } }