private void Load_DuLieu(object sender, EventArgs e)
{
string sql1 = "Select * from QLTTB";
dataTB.DataSource = null;
dataTB.DataSource = KetNoiCSDL_TB.LoadDuLieu(sql1, "QLTTB");
}
private void btn_timkiem_Click(object sender, EventArgs e)
{
KetNoiCSDL_TB.TaoKetNoi_CSDL();
grdtimkiem.DataSource = null;
string sql1 = "Select * from QLTTB where MA_PHONG like '" + txt_timkiem.Text + "' or MA_LOAITB like '" + txt_timkiem.Text + "' or TEN_TB like '%" + txt_timkiem.Text + "%' or SO_LUONG like '" + txt_timkiem.Text + "'";
grdtimkiem.DataSource = KetNoiCSDL_TB.LoadDuLieu(sql1, "QLTTB");
}
private void btnChen_Click(object sender, EventArgs e)
{
try
{
string d = txt_maphong.Text;
string a = txtMLTB.Text;
string b = txtTTB.Text;
string c = txtSL.Text;
KetNoiCSDL_TB.Chen_DuLieu(d, a, b, c);
Load_DuLieu(null, null);
HienThi_DL();
}
catch (OleDbException Exception)
{
String a = Convert.ToString(Exception.ErrorCode);
MessageBox.Show(a);
}
}
private void load(object sender, EventArgs e)
{
string sql = "SELECT * from TKB";
grd_tkb.DataSource = null;
grd_tkb.DataSource = ketnoiCSDL_TKB.laydl(sql, "TKB");
string SQL = "Select * from LOP";
grd_lop.DataSource = null;
grd_lop.DataSource = KeyNoiCSDL_LOP.LoadDuLieu(SQL, "LOP");
string SQL1 = "Select * from QLTTB";
grd_TB.DataSource = null;
grd_TB.DataSource = KetNoiCSDL_TB.LoadDuLieu(SQL1, "QLTTB");
string SQL2 = "Select * from ROOM";
grd_room.DataSource = null;
grd_room.DataSource = KETNOICSDL_ROOM.laydulieu(SQL2, "ROOM");
}
private void btnXoa_Click_1(object sender, EventArgs e)
{
KetNoiCSDL_TB.Xoa_Dulieu(txt_maphong.Text);
Load_DuLieu(null, null);
HienThi_DL();
}
private void btnLuu_Click_1(object sender, EventArgs e)
{
KetNoiCSDL_TB.Luu_Dulieu(txtMLTB.Text, txtTTB.Text, txtSL.Text, txt_maphong.Text);
Load_DuLieu(null, null);
HienThi_DL();
}
