public void fromTable_Teacher()
{
//从Selection页面获取静态数据
if (Selection.arg == "fromInfo") //从学生信息表中查询数据
{
//跳转页面，传递参数
StudentInfo si = new StudentInfo();
si.Getstring(arg);
this.NavigationService.Navigate(si);
}
else if (Selection.arg == "fromAch")
{
//跳转页面，传递参数
StudentAchievement sa = new StudentAchievement();
sa.Getstring(arg);
this.NavigationService.Navigate(sa);
}
else if (Selection.arg == "fromFile")
{
//跳转页面，传递参数
StudentFile sf = new StudentFile();
sf.Getstring(arg);
this.NavigationService.Navigate(sf);
}
}
private void File_Click(object sender, RoutedEventArgs e)
{
StudentFile sf = new StudentFile();
Selection sl = new Selection();
sl.Getstring("fromFile"); //向页面传递参数
//查询登陆的用户是否为教师用户
DataClassesDataContext db = new DataClassesDataContext();
//查询“临时用户表”中登录的用户名
string lastuser = db.临时用户管理表.AsEnumerable().Last().用户名;
//查询“用户管理表”用户名
var query = from n in db.用户管理表
where n.用户名 == lastuser
select n.是否为教师账户;
foreach (var m in query)
{
if (String.Compare(m, "y") != 0) //如果用户名不是教师账户
{
this.Frame.Content = sf;
}
else
{
this.Frame.NavigationService.Navigate(sl);
}
}
}
private void listBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//获取数据模板中元素的值
Table tl = listBox.SelectedItem as Table;
ListBox ls = sender as ListBox;
ListBoxItem lstitem = ls.ItemContainerGenerator.ContainerFromItem(ls.SelectedItem) as ListBoxItem;
var m = ((学生学籍管理系统.查询结果存储表)(lstitem.Content)).学号;
MainWindow.num = m;
if (Selection.arg == "fromInfo")
{
StudentInfo si = new StudentInfo(); //第一次初始化，StudentInfo中的Getstring()方法并未被赋值
si.Getstring(m); //所以需要第二次初始化，以得到正确结果
StudentInfo si1 = new StudentInfo();
this.NavigationService.Navigate(si1);
}
else if (Selection.arg == "fromAch")
{
StudentAchievement sa = new StudentAchievement();
sa.Getstring(m);
StudentAchievement sa1 = new StudentAchievement();
this.NavigationService.Navigate(sa1);
}
else if (Selection.arg == "fromFile")
{
StudentFile sf = new StudentFile();
sf.Getstring(m);
StudentFile sf1 = new StudentFile();
this.NavigationService.Navigate(sf1);
}
}
//打印
public void Print_Click(object sender, RoutedEventArgs e)
{
var control = Selection.arg;
if (control == "fromInfo")
{
PrintDialog dialog = new PrintDialog();
if (dialog.ShowDialog() == true)
{
StudentInfo si = new StudentInfo();
dialog.PrintVisual(si.canvas, "Print Test");
}
}
else if (control == "fromAch")
{
PrintDialog dialog = new PrintDialog();
if (dialog.ShowDialog() == true)
{
StudentAchievement sa = new StudentAchievement();
dialog.PrintVisual(sa.canvas, "Print Test");
}
}
else if (control == "fromFile")
{
PrintDialog dialog = new PrintDialog();
if (dialog.ShowDialog() == true)
{
StudentFile sf = new StudentFile();
dialog.PrintVisual(sf.canvas, "Print Test");
}
}
else
{
PrintDialog dialog = new PrintDialog();
if (dialog.ShowDialog() == true)
{
Select_Result sr = new Select_Result();
dialog.PrintVisual(sr.canvas, "Print Test");
}
}
}
