/// <summary>
/// 查询正在上机学生
/// </summary>
/// <returns>以表形式返回，正在上机学生信息</returns>
private DataTable SelectOnLineStudent(out string StrMsg)
{
OnLineStudentIBLL onlinestudentIBLL = (OnLineStudentIBLL)factBll.CreateUser("OnLineStudentBLL");
DataTable SelectOnLineStudentTable = onlinestudentIBLL.SelectOnlineStudent(out StrMsg);
return(SelectOnLineStudentTable);
}
private void 全部下机ToolStripMenuItem_Click(object sender, EventArgs e)
{
OnLineStudentIBLL onlinestudentIBLL = (OnLineStudentIBLL)factBll.CreateUser("OnLineStudentBLL");
string StrMsg = onlinestudentIBLL.LoginOutAllStudent();
//清楚表内记录
dataOnLineStudent.Rows.Clear();
MessageBox.Show(StrMsg);
}
private void 指定学生下机ToolStripMenuItem_Click(object sender, EventArgs e)
{
//获取下机学生卡号
string StudedntCardno = dataOnLineStudent.CurrentCell.Value.ToString();
OnLineStudentIBLL onlinestudentIBLL = (OnLineStudentIBLL)factBll.CreateUser("OnLineStudentBLL");
string StrMsg = onlinestudentIBLL.LoginOutAssignStudent(StudedntCardno);//调用指定下机方法
if (StrMsg == "下机成功！")
{
//清空记录 //清楚表内记录
dataOnLineStudent.Rows.Clear();
}
MessageBox.Show(StrMsg);
}