private void ebtnBaoCaoLuong_Click(object sender, EventArgs e)
 {
     if (ReportLuong == null || ReportLuong.IsDisposed)
     {
         ReportLuong = new FrmReportLuong();
     }
     ReportLuong.MdiParent = this;
     ReportLuong.Show(dockPanelMain);
 }
 private void báoCáoLươngToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (ReportLuong == null || ReportLuong.IsDisposed)
     {
         ReportLuong = new FrmReportLuong();
     }
     ReportLuong.MdiParent = this;
     ReportLuong.Show(dockPanelMain);
     this.Activate();
 }