private void btnXoa_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(@"Data Source=DESKTOP-762C5QE\SQLEXPRESS;Initial Catalog=QuanLyThuVien;Integrated Security=True");
con.Open();
try
{
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandType = CommandType.Text;
cmd.CommandText = System.String.Concat("Delete From NVIEN" +
"Where MANV='" + Box_Manv.Text.ToString() + "'");
cmd.CommandType = CommandType.Text;
cmd.ExecuteNonQuery();
Box_Manv.ResetText();
Box_Hoten.ResetText();
Box_Dienthoai.ResetText();
Box_Ngaysinh.ResetText();
Box_Diachi.ResetText();
Box_Chucvu.ResetText();
Box_Bophan.ResetText();
Box_Bangcap.ResetText();
Box_Manv.Focus();
FormNVIEN_Load(sender, e);
}
catch (Exception)
{
MessageBox.Show("Chưa chọn dữ liệu xóa");
}
con.Close();
}
private void btnHuy_Click(object sender, EventArgs e)
{
Box_Diachi.ResetText();
Box_Manv.ResetText();
Box_Dienthoai.ResetText();
Box_Ngaysinh.ResetText();
Box_Hoten.ResetText();
Box_Chucvu.ResetText();
Box_Bophan.ResetText();
Box_Bangcap.ResetText();
Box_Diachi.Focus();
btnLuu.Enabled = false;
btnHuy.Enabled = false;
btnThem.Enabled = true;
btnSua.Enabled = true;
btnXoa.Enabled = true;
}
private void btnLuu_Click(object sender, EventArgs e)
{
if (flag == 0) //Thêm
{
SqlConnection con = new SqlConnection(@"Data Source=DESKTOP-762C5QE\SQLEXPRESS;Initial Catalog=QuanLyThuVien;Integrated Security=True");
con.Open();
try
{
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandType = CommandType.Text;
cmd.CommandText = System.String.Concat("Insert into NVIEN Values('" + Box_Manv.Text.ToString() + "'," +
"'" + Box_Hoten.Text.ToString() + "'," +
"'" + Box_Diachi.Text.ToString() + "'," +
"'" + Box_Ngaysinh.Text.ToString() + "'," +
"'" + Box_Dienthoai.Text.ToString() + "'," +
"'" + Box_Bangcap.Text.ToString() + "'," +
"'" + Box_Bophan.Text.ToString() + "', " +
"'" + Box_Chucvu.Text.ToString() + "')");
cmd.CommandType = CommandType.Text;
cmd.ExecuteNonQuery();
Box_Diachi.ResetText();
Box_Manv.ResetText();
Box_Dienthoai.ResetText();
Box_Ngaysinh.ResetText();
Box_Hoten.ResetText();
Box_Chucvu.ResetText();
Box_Bophan.ResetText();
Box_Bangcap.ResetText();
Box_Diachi.Focus();
btnLuu.Enabled = false;
btnHuy.Enabled = false;
btnThem.Enabled = true;
btnSua.Enabled = true;
btnXoa.Enabled = true;
FormNVIEN_Load(sender, e);
}
catch (Exception)
{
MessageBox.Show("Mã NV đã có, vui lòng nhập lại", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
con.Close();
}
else if (flag == 1) // Sửa
{
SqlConnection con = new SqlConnection(@"Data Source=DESKTOP-762C5QE\SQLEXPRESS;Initial Catalog=QuanLyThuVien;Integrated Security=True");
con.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandType = CommandType.Text;
cmd.CommandText = System.String.Concat("Update NVIEN Set HOTEN = '" + Box_Hoten.Text.ToString() + "'," +
"DIACHI ='" + Box_Diachi.Text.ToString() + "'," +
"NGSINH ='" + Box_Ngaysinh.Text.ToString() + "'," +
"DIENTHOAI = '" + Box_Dienthoai.Text.ToString() + "'," +
"BANGCAP = '" + Box_Bangcap.Text.ToString() + "'," +
"BOPHAN = '" + Box_Bophan.Text.ToString() + "'," +
"CHUCVU ='" + Box_Chucvu.Text.ToString() + "'" +
"WHERE MANV='" + Box_Manv.Text.ToString() + "'");
cmd.CommandType = CommandType.Text;
cmd.ExecuteNonQuery();
Box_Diachi.ResetText();
Box_Manv.ResetText();
Box_Dienthoai.ResetText();
Box_Ngaysinh.ResetText();
Box_Hoten.ResetText();
Box_Chucvu.ResetText();
Box_Bophan.ResetText();
Box_Bangcap.ResetText();
Box_Diachi.Focus();
btnLuu.Enabled = false;
btnHuy.Enabled = false;
btnThem.Enabled = true;
btnSua.Enabled = true;
btnXoa.Enabled = true;
FormNVIEN_Load(sender, e);
con.Close();
}
}