//删除学员
private void btnDeleteStu_Click(object sender, RoutedEventArgs e)
{
selectStu = smDgStudentLsit.SelectedItem as StudentExt;
if (IdList.Contains(selectStu.StudentID))
{
MessageBox.Show("请先关闭正在查看的学生信息", "提示");
}
if (selectStu == null)
{
System.Windows.Forms.MessageBox.Show("请选择要删除的学员!", "提示");
return;
}
StudentExt student = stum.GetStudentById(selectStu.StudentID);
if (student != null)
{
System.Windows.Forms.MessageBox.Show("您选择的学员信息已删除", "提示");
}
MessageBoxResult mbox = MessageBox.Show("您确定要删除【" + student.StudentName + "】", "警告", MessageBoxButton.OKCancel, MessageBoxImage.Warning);
if (mbox == MessageBoxResult.OK)
{
if (stum.DeleteStudentById(student.StudentID))
{
MessageBox.Show("删除成功");
}
else
{
MessageBox.Show("删除失败");
}
}
}
// 修改学员
private void btnUpdateStu_Click(object sender, RoutedEventArgs e)
{
selectStu = smDgStudentLsit.SelectedItem as StudentExt;
try
{
//检查当前选择的学员，查看详细信息的界面未关闭
if (IdList.Contains(selectStu.StudentID))
{
MessageBox.Show("请关闭正在查看的学员信息");
return;
}
if (selectStu == null)
{
MessageBox.Show("请选择要修改的学员！", "提示");
return;
}
}
catch (Exception)
{
System.Windows.Forms.MessageBox.Show("请选定学员！");
return;
}
StudentExt objstu = stum.GetStudentById(selectStu.StudentID);
FrmUpdateStudentInfor updateStudentInfor = new FrmUpdateStudentInfor(objstu);
updateStudentInfor.ShowDialog();
//刷新DG中学员信息
RefreshDG();
}
/// <summary>
/// 删除学员
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void shan_Click(object sender, RoutedEventArgs e)
{
selectStu = smDgStudentLsit.SelectedItem as StudentExt;
if (IdList.Contains(selectStu.Studentid))
{
MessageBox.Show("请关闭正在查看的学员信息界面", "提示");
return;
}
if (selectStu == null)
{
MessageBox.Show("请选择要删除的学员！", "提示");
return;
}
StudentExt student = sm.GetStudentById(selectStu.Studentid);
if (student != null)
{
MessageBox.Show("您选择的学员信息已经被删除！", "提示");
return;
}
MessageBoxResult mbr = MessageBox.Show("您确定要删除【" + student.StudentName + "】", "警告", MessageBoxButton.OKCancel, MessageBoxImage.Warning);
if (mbr == MessageBoxResult.OK)
{
if (sm.DeleteStudentById(student.Studentid))
{
MessageBox.Show("删除成功！", "提示");
}
else
{
MessageBox.Show("删除失败请稍后再试！", "提示");
}
}
}
/** Returns true if request already sent to friend, false otherwise.
* Adds the friend user ID to the list of requests sent out */
public bool addRequest(string friendUserId)
{
if (_requests.Contains(friendUserId))
{
return(false);
}
_requests.add(friendUserId);
return(true);
}
public virtual IQueryable <TEntity> GetSatisfiedItems(IQueryable <TEntity> src)
{
if (Id.GetValueOrDefault() > 0)
{
src = src.Where(x => x.Id == this.Id);
}
if (IdList != null && IdList.Count > 0)
{
src = src.Where(x => IdList.Contains(x.Id));
// src = src.Where(x => this.IdList.Any(param => param == x.Id));
}
if (_filter != null)
{
src = src.Where(_filter);
}
return(src);
}
/// <summary>
/// 修改信息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gai_Click(object sender, RoutedEventArgs e)
{
selectStu = smDgStudentLsit.SelectedItem as StudentExt;
if (IdList.Contains(selectStu.Studentid))
{
MessageBox.Show("请关闭正在查看的学员信息界面", "提示");
return;
}
if (selectStu == null)
{
MessageBox.Show("请选择要修改的学员！", "提示");
return;
}
StudentExt objStu = sm.GetStudentById(selectStu.Studentid);
FrmUpdateStuInfor updateStuInfor = new FrmUpdateStuInfor(objStu);
updateStuInfor.ShowDialog();
students = sm.GetStudents(Convert.ToInt32(smclassCmb.SelectedValue));
smDgStudentLsit.ItemsSource = students;
}
/// <summary>
/// 修改学生信息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void XiuGai_Click(object sender, RoutedEventArgs e)
{
StudentExt selectStu = smDgStudentLsit.SelectedItem as StudentExt;
//检测当前选择的学员，查看详细信息的界面还未关闭
if (IdList.Contains(selectStu.StudentID))
{
MessageBox.Show("请关闭正在查看的学员信息界面", "提示");
return;
}
if (selectStu == null)
{
MessageBox.Show("请选择要修改的学员!", "提示");
return;
}
StudentExt objStu = sm.GetStudentById(selectStu.StudentID);
FrmUpdateStuInfor updateStuInfor = new FrmUpdateStuInfor(objStu);
updateStuInfor.ShowDialog();//打开修改界面
//刷新DG中这个学员的信息
RefreshDG();
}
