private void btnHieuChinh_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
vitri = bdsLop.Position;
groupBox1.Enabled = true;
btnThem.Enabled = btnHieuChinh.Enabled = btnXoa.Enabled = btnPhucHoi.Enabled = btnThoat.Enabled = false;
btnGhi.Enabled = btnPhucHoi.Enabled = true;
txtMaLop.Enabled = txtMASV.Enabled = false;
gcSinhVien.Enabled = false;
choose = HIEU_CHINH;
UndoSinhVien undo = new UndoSinhVien(HIEU_CHINH, getInfoSinhVien());
st.Push(undo);
}
private void btnPhucHoi_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (isDangThem)
{
bdsSinhVien.RemoveCurrent();
}
this.SinhVienTableAdapter.Connection.ConnectionString = Program.connstr;
this.SinhVienTableAdapter.Update(this.DS.SINHVIEN);
bdsSinhVien.CancelEdit();
if (btnThem.Enabled == false)
{
bdsSinhVien.Position = vitri;
}
gcSinhVien.Enabled = true;
groupBox1.Enabled = false;
btnThem.Enabled = btnHieuChinh.Enabled = btnXoa.Enabled = btnThoat.Enabled = true;
btnGhi.Enabled = btnPhucHoi.Enabled = false;
if (st.Count == 0)
{
return;
}
UndoSinhVien objUndo = (UndoSinhVien)st.Pop();
Object obj = objUndo.getObject();
switch (objUndo.getType())
{
case THEM:
Program.ExecSqlDataReader(obj.ToString());
this.SinhVienTableAdapter.Fill(this.DS.SINHVIEN);
capNhatBtnPhucHoi();
break;
case HIEU_CHINH:
SinhVien svHieuChinh = (SinhVien)obj;
if (Program.conn.State == ConnectionState.Closed)
{
Program.conn.Open();
}
String strPhucHoiHieuChinh = "sp_PhucHoiSinhVien";
Program.sqlcmd = Program.conn.CreateCommand();
Program.sqlcmd.CommandType = CommandType.StoredProcedure;
Program.sqlcmd.CommandText = strPhucHoiHieuChinh;
Program.sqlcmd.Parameters.Add("@MASV", SqlDbType.Text).Value = svHieuChinh.getMaSV();
Program.sqlcmd.Parameters.Add("@HO", SqlDbType.Text).Value = svHieuChinh.getHo();
Program.sqlcmd.Parameters.Add("@TEN", SqlDbType.Text).Value = svHieuChinh.getTen();
Program.sqlcmd.Parameters.Add("@PHAI", SqlDbType.Bit).Value = svHieuChinh.isPhai();
Program.sqlcmd.Parameters.Add("@NGAYSINH", SqlDbType.DateTime).Value = svHieuChinh.getNgaySinh();
Program.sqlcmd.Parameters.Add("@NOISINH", SqlDbType.Text).Value = svHieuChinh.getNoiSinh();
Program.sqlcmd.Parameters.Add("@DIACHI", SqlDbType.Text).Value = svHieuChinh.getDiaChi();
Program.sqlcmd.Parameters.Add("@NGHIHOC", SqlDbType.Bit).Value = svHieuChinh.isNghiHoc();
Program.sqlcmd.ExecuteNonQuery();
Program.conn.Close();
reload();
break;
case XOA:
SinhVien svXoa = (SinhVien)obj;
if (Program.conn.State == ConnectionState.Closed)
{
Program.conn.Open();
}
String strPhucHoiXoa = "sp_ThemSinhVien";
Program.sqlcmd = Program.conn.CreateCommand();
Program.sqlcmd.CommandType = CommandType.StoredProcedure;
Program.sqlcmd.CommandText = strPhucHoiXoa;
Program.sqlcmd.Parameters.Add("@MASV", SqlDbType.Text).Value = svXoa.getMaSV();
Program.sqlcmd.Parameters.Add("@HO", SqlDbType.Text).Value = svXoa.getHo();
Program.sqlcmd.Parameters.Add("@TEN", SqlDbType.Text).Value = svXoa.getTen();
Program.sqlcmd.Parameters.Add("@MALOP", SqlDbType.Text).Value = svXoa.getMaLop();
Program.sqlcmd.Parameters.Add("@NGAYSINH", SqlDbType.DateTime).Value = svXoa.getNgaySinh();
Program.sqlcmd.Parameters.Add("@PHAI", SqlDbType.Bit).Value = svXoa.isPhai();
Program.sqlcmd.Parameters.Add("@NOISINH", SqlDbType.Text).Value = svXoa.getNoiSinh();
Program.sqlcmd.Parameters.Add("@DIACHI", SqlDbType.Text).Value = svXoa.getDiaChi();
Program.sqlcmd.Parameters.Add("@NGHIHOC", SqlDbType.Bit).Value = svXoa.isNghiHoc();
Program.sqlcmd.ExecuteNonQuery();
reload();
break;
}
}
private void btnGhi_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (!checkEmtyInfo())
{
return;
}
switch (choose)
{
case THEM:
{
if (Program.conn.State == ConnectionState.Closed)
{
Program.conn.Open();
}
String strLenh = "sp_KTMaSV";
Program.sqlcmd = Program.conn.CreateCommand();
Program.sqlcmd.CommandType = CommandType.StoredProcedure;
Program.sqlcmd.CommandText = strLenh;
Program.sqlcmd.Parameters.Add("@MASV", SqlDbType.Text).Value = txtMASV.Text;
Program.sqlcmd.Parameters.Add("@Ret", SqlDbType.Int).Direction = ParameterDirection.ReturnValue;
Program.sqlcmd.ExecuteNonQuery();
String Ret = Program.sqlcmd.Parameters["@Ret"].Value.ToString();
if (Ret.Equals("1"))
{
MessageBox.Show("Mã sinh viên bị trùng!", "", MessageBoxButtons.OK);
txtMaLop.Focus();
Program.conn.Close();
return;
}
try
{
bdsSinhVien.EndEdit();
bdsSinhVien.ResetCurrentItem();
this.SinhVienTableAdapter.Connection.ConnectionString = Program.connstr;
this.SinhVienTableAdapter.Update(this.DS.SINHVIEN);
String lenhXoaSV = "exec sp_XoaSinhVien '" + txtMASV.Text + "'";
UndoSinhVien undoSV = new UndoSinhVien(THEM, lenhXoaSV);
st.Push(undoSV);
//capNhatBtnPhucHoi();
}
catch (Exception ex)
{
MessageBox.Show("Lỗi ghi sinh viên.\n" + ex.Message, "", MessageBoxButtons.OK);
return;
}
gcSinhVien.Enabled = true;
btnThem.Enabled = btnHieuChinh.Enabled = btnXoa.Enabled = btnPhucHoi.Enabled = btnThoat.Enabled = true;
btnGhi.Enabled = false;
groupBox1.Enabled = false;
capNhatBtnPhucHoi();
isDangThem = false;
break;
}
case HIEU_CHINH:
{
try
{
bdsSinhVien.EndEdit();
bdsSinhVien.ResetCurrentItem();
this.SinhVienTableAdapter.Connection.ConnectionString = Program.connstr;
this.SinhVienTableAdapter.Update(this.DS.SINHVIEN);
}
catch (Exception ex)
{
MessageBox.Show("Lỗi hiệu chỉnh sinh viên.\n" + ex.Message, "", MessageBoxButtons.OK);
return;
}
gcSinhVien.Enabled = true;
btnThem.Enabled = btnHieuChinh.Enabled = btnXoa.Enabled = btnPhucHoi.Enabled = btnThoat.Enabled = true;
btnGhi.Enabled = btnPhucHoi.Enabled = false;
groupBox1.Enabled = false;
capNhatBtnPhucHoi();
break;
}
}
}
