private void buttonPLop_Click(object sender, EventArgs e)
{
if (m_PhanLop == null || m_PhanLop.IsDisposed)
{
m_PhanLop = new frmDictionary();
m_PhanLop.MdiParent = frmDictionary.ActiveForm;
m_PhanLop.Show();
}
else
m_PhanLop.Activate();
}
private void frmMain_Load(object sender, EventArgs e)
{
if (DataService.OpenConnection())
{
frmDictionary m_Dictionary = null;
if (m_Dictionary == null || m_Dictionary.IsDisposed)
{
m_Dictionary = new frmDictionary();
m_Dictionary.MdiParent = frmDictionary.ActiveForm;
m_Dictionary.Show();
}
else
m_Dictionary.Activate();
}
else
{
MessageBoxEx.Show("Kết nối dữ liệu thất bại!", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}