private void 归还图书ToolStripMenuItem_Click(object sender, EventArgs e) { frmBorrowReturnMana frmReturn = new frmBorrowReturnMana(); frmReturn.tabControl1.SelectedTab = frmReturn.tabReturn; frmReturn.MdiParent = this; frmReturn.Show(); }
private void btLendMange_Click(object sender, EventArgs e) { //打开借阅管理窗体 if (btLend) { frmBorrowReturnMana frmBR = new frmBorrowReturnMana(); frmBR.MdiParent = this.MdiParent; frmBR.Show(); } else { MessageBox.Show("您不具有使用该功能的权限!", "操作提示"); } }