//加载所有班级信息
private void LoadAllClassInfoToTreeViewAndAllSpecialityInfoToComobox()
{
// SpecialityBLL bll = new SpecialityBLL();
ClassInfoBLL bll_classInfo = new ClassInfoBLL();
Dictionary <int, string> dictionary = bll_speciality.GetAllspecialityIdAndNameByDelFlag(0);
//加载专业到下拉框
cbClassInfoSpeciality.DataSource = dictionary.ToList();
cbClassInfoSpeciality.DisplayMember = "Value";
cbClassInfoSpeciality.ValueMember = "Key";
//加载班级到TreeView
tvClassInfo.Nodes.Clear(); //先清空
var keys = dictionary.Keys;
foreach (int key in keys)
{
var node = tvClassInfo.Nodes.Add(dictionary[key]);
List <ClassInfo> list = bll_classInfo.GetClassInfosBySpecialityId(key);
for (int i = 0; i < list.Count; i++)
{
node.Nodes.Add(list[i].Name).Tag = list[i]; //添加专业节点下的班级子节点
}
}
}
private void frmStudent_Load(object sender, EventArgs e)
{
this.Text = "加载数据中.....请稍等";
//加载班级
tbClassInfo.BeginInvoke(new Action(() =>
{
ClassInfoBLL bll = new ClassInfoBLL();
Dictionary <int, string> dictionary = bll.GetAllClassInfoIdAndNameBySpecialityId(speciality_id); //得到 “班级“ Id-Name键值对
//建立tabpage
foreach (int key in dictionary.Keys)
{
TabPage tp = new TabPage(dictionary[key]);
tp.Tag = key;
dgvStudent self_control = new dgvStudent();
Action <object, TabControlCancelEventArgs> delegate_tabClassInfo_Selecting = new Action <object, TabControlCancelEventArgs>(tbClassInfo_Selecting);
self_control.Tag = delegate_tabClassInfo_Selecting; //把可以刷新数据的函数委托给自定义控件
tp.Controls.Add(self_control); //添加Datagridview
tbClassInfo.TabPages.Add(tp);
}
//如果有班级，则手动调用选项卡改变事件
if (tbClassInfo.TabPages.Count > 0)
{
tbClassInfo_Selecting(null, new TabControlCancelEventArgs(tbClassInfo.SelectedTab, tbClassInfo.SelectedIndex, false, TabControlAction.Selecting)); //手动调用一下选项卡改变事件
}
this.Text = "班级数据已加载完毕";
}));
}
//删除班级
private void btnClassInfoDelete_Click(object sender, EventArgs e)
{
if (MessageBoxEx.Show("是否删除 " + txtClassInfoName.Text + " 此班级？？", "警告！", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
ClassInfoBLL bll = new ClassInfoBLL();
MessageBoxEx.Show(bll.DeleteClassInfoByClassInfoId(Convert.ToInt32(labClassInfoId.Text), frmMain.current_user.Id) ? "删除成功!" : "删除失败，请刷新后重试");
LoadAllClassInfoToTreeViewAndAllSpecialityInfoToComobox();
}
}
private string path = ""; //照片路径
private void frmAddStudent_Load(object sender, EventArgs e)
{
//班级、专业下拉框赋值
SpecialityBLL bll_speciality = new SpecialityBLL();
ClassInfoBLL bll_classinfo = new ClassInfoBLL();
cbClassInfo.Tag = bll_classinfo.GetClassInfoByClassInfoId(student.Class_id);
cbClassInfo.Text = ((ClassInfo)cbClassInfo.Tag).Name;
cbSpeciality.Tag = bll_speciality.GetSpecialityBySpecialityId(student.Speciality_id);
cbSpeciality.Text = ((Speciality)cbSpeciality.Tag).Name;
}
private void btnOk_Click(object sender, EventArgs e)
{
//检查用户输入
if (CheckTxt())
{
if (CCWin.MessageBoxEx.Show("确认要新增该班级吗？请注意核对各项信息", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
//取值生成 model对象
ClassInfo model = delegate_u(this);
ClassInfoBLL bll = new ClassInfoBLL();
if (bll.AddClassInfo(model))
{
CCWin.MessageBoxEx.Show("添加 " + model.Name + " 班级成功！");
this.Dispose();
}
else
{
CCWin.MessageBoxEx.Show("添加失败，请检查数据后重试");
}
}
}
}
//确认修改班级信息
private void btnClassInfoOk_Click(object sender, EventArgs e)
{
//检查用户输入
if (CheckTxt_classInfo())
{
if (CCWin.MessageBoxEx.Show("确认要新增该班级吗？请注意核对各项信息", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
//取值生成 model对象
ClassInfo model = GetPrivateField(this);
ClassInfoBLL bll = new ClassInfoBLL();
if (bll.UpdateClassInfoByDelFlag(model))
{
MessageBoxEx.Show("更新成功！!");
LoadAllClassInfoToTreeViewAndAllSpecialityInfoToComobox();
}
else
{
MessageBoxEx.Show("更新失败，请检查数据后重试");
}
}
}
}
