private void LoadModuleList2DDL()
{
ddlModuleList.Items.Clear();
Modules module_obj = new Modules();
DataTable dt = module_obj.GetAll(); //select all the nodes from DB
ddlModuleList.DataSource = dt;
ddlModuleList.DataTextField = "ModuleTitle";
ddlModuleList.DataValueField = "ModuleID";
ddlModuleList.DataBind();
ddlModuleList.Items.Insert(0, new ListItem("- Chọn -", "0"));
ddlModuleList.SelectedIndex = 0;
}
