public void LoadData()
{
txt_cityID.ResetText();
txt_cityName.ResetText();
workBaseCity = new WorkBaseCity();
dataGridView1.DataSource = workBaseCity.GetCities();
this.btn_add.Enabled = true;
this.btn_del.Enabled = true;
this.btn_edit.Enabled = true;
this.btn_reload.Enabled = true;
this.btn_exit.Enabled = true;
this.btn_save.Enabled = false;
this.txt_cityID.Enabled = false;
this.dataGridView1.ReadOnly = true;
}
private void btn_del_Click(object sender, EventArgs e)
{
DialogResult dialogResult;
dialogResult = MessageBox.Show("Chắc không?", "Trả lời", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (dialogResult == DialogResult.OK)
{
workBaseCity = new WorkBaseCity();
if (workBaseCity.RemoveCity(txt_cityID.Text, ref err))
{
LoadData();
MessageBox.Show("Xoa Thanh Cong");
}
else
{
MessageBox.Show("Xoa Khong Thanh Cong", "Loi", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Khong thuc hien xoa");
}
}
private void btn_save_Click(object sender, EventArgs e)
{
if (!txt_cityID.Text.Trim().Equals(""))
{
// Thêm dữ liệu
if (Adding)
{
workBaseCity = new WorkBaseCity();
if (workBaseCity.AddCity(txt_cityID.Text, txt_cityName.Text, ref err))
{
LoadData();
MessageBox.Show("Them Thanh Cong");
}
else
{
MessageBox.Show("Them Khong Thanh Cong", "Loi", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
}
}
else //sua
{
workBaseCity = new WorkBaseCity();
if (workBaseCity.UpdateCity(txt_cityID.Text, txt_cityName.Text, ref err))
{
LoadData();
MessageBox.Show("Sua Thanh Cong");
}
else
{
MessageBox.Show("Sua Khong Thanh Cong", "Loi", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
}
}
}
this.Adding = false;
LoadData();
this.txt_cityID.Enabled = false;
}
