/// <summary>
/// 绑定班级下拉列表
/// </summary>
void BindClasses()
{
//为班级实体对象班级所属专业赋值
classmodel.Classes_Speciality = this.cmbSpeciality.SelectedValue.ToString();
this.cmbClass.DisplayMember = "Classes_Name";
this.cmbClass.ValueMember = "Classes_ID";
this.cmbClass.DataSource = classes.GetClassesBySpeciality(classmodel);
}
/// <summary>
/// 树视图三级节点：绑定显示指定专业下的班级
/// </summary>
/// <param name="t"></param>
void BindClass(TreeNode t)
{
clamodel.Classes_Speciality = t.Tag.ToString();
DataTable dt = classes.GetClassesBySpeciality(clamodel);
foreach (DataRow r in dt.Rows)
{
TreeNode clas = new TreeNode();
clas.Text = r["Classes_Name"].ToString();
clas.Tag = r["Classes_ID"];
clas.ImageIndex = 0;
t.Nodes.Add(clas);
}
}