addtsfl.aspx.cs

一个简单的网上书店

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using BLL;
using Model;
using System.Collections.Generic;
using System.Drawing;

public partial class AddTSFL : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if(!IsPostBack)
        {
            showTree(null);
        }
    }

    /// <summary>
    /// 显示树
    /// </summary>
    /// <param name="Pnode"></param>
    private void showTree(TreeNode Pnode)
    {
        IBookType bookTypeMesage = Factory.greatBookType();
        List<BookType> list = new List<BookType>();

        list = (Pnode == null) ? bookTypeMesage.selBookType(0) : bookTypeMesage.selBookType(int.Parse(Pnode.Value));
        foreach (BookType bb in list)
        {
            TreeNode node = new TreeNode();
            if (Pnode == null)
            {
                node.Value = bb.Id.ToString();
                node.Text = bb.Name;
                treeBookType.Nodes.Add(node);
            }
            else
            {
                node.Value = bb.Id.ToString();
                node.Text = bb.Name;
                Pnode.ChildNodes.Add(node);
            }
            showTree(node);
        }
    }
    /// <summary>
    /// 添加本级
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnAddP_Click(object sender, EventArgs e)
    {
        string name = txtnewName.Text;
        string rearmk = txtRearmk.Text;
        if (name.Equals("")) 
        {
            lblcaozuo_Message.ForeColor = Color.Red;
            lblcaozuo_Message.Text = "类别不能为空！";
            return;
        }

        IBookType bookTypeMesage = Factory.greatBookType();
        BookType bookType = new BookType();
        if (treeBookType.SelectedNode == null)//没有选中任何树节点(可以理解为在添加跟节点)
        {
            bookType.Pid = 0;
        }
        else if (treeBookType.SelectedNode.Parent == null)
        {
            bookType.Pid = 0;
        }
        else
        {
            bookType.Pid = int.Parse(treeBookType.SelectedValue);
        }
        bookType.Name = name;
        if (bookTypeMesage.addBookType(bookType))
        {
            lblcaozuo_Message.ForeColor=Color.Blue;
            lblcaozuo_Message.Text = "操作成功！";
            treeBookType.Nodes.Clear();
            showTree(null);
            return;
        }
        else
        {
            lblcaozuo_Message.ForeColor = Color.Red;
            lblcaozuo_Message.Text = "操作失败！";
            return;
        }
    }

    /// <summary>
    /// 添加子级
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnAddC_Click(object sender, EventArgs e)
    {
        string name = txtnewName.Text;
        string rearmk = txtRearmk.Text;
        if (name.Equals(""))
        {
            lblcaozuo_Message.ForeColor = Color.Red;
            lblcaozuo_Message.Text = "类型名不能为空！";
            return;
        }
        IBookType bookTypeMesage = Factory.greatBookType();
        BookType bookType = new BookType();
        if (treeBookType.SelectedNode == null)//没有选中任何树节点(可以理解为在添加跟节点)
        {
            lblcaozuo_Message.Text = "请选择一个父级类别！";
            return;
        }
        else
        {
            bookType.Pid = int.Parse(treeBookType.SelectedValue);
            bookType.Name = name;
            if (bookTypeMesage.addBookType(bookType))
            {
                lblcaozuo_Message.ForeColor = Color.Blue;
                lblcaozuo_Message.Text = "操作成功！";
                treeBookType.Nodes.Clear();
                showTree(null);
                return;
            }
            else
            {
                lblcaozuo_Message.ForeColor = Color.Red;
                lblcaozuo_Message.Text = "操作失败！";
                return;
            }

        }
    }
    protected void treeBookType_SelectedNodeChanged(object sender, EventArgs e)
    {
        txtOldName.Text = treeBookType.SelectedNode.Text;
    }
}