?/*
 * 創建人：牛腩
 * 創建時間：2008-11-29 16:01:27
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using BLL;

public partial class admin_categorymanager : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // 判斷session里面是否存在管理員
        if (Session["admin"] != null && Session["admin"].ToString() == "niunan")
        {
            // 已登陸
            if (!Page.IsPostBack)
            {
                // 頁面第一次加載時，綁定類別列表
                DataTable dt = new CategoryManager().SelectAll();
                repCategory.DataSource = dt;
                repCategory.DataBind();
            }
        }
        else
        {
            // 未登陸
            Response.Redirect("login.aspx");
        }
    }

    // 添加類別
    protected void btnAdd_Click(object sender, EventArgs e)
    {
      CategoryManager cm =  new CategoryManager();
        string name = txtCaname.Text.Trim();
        // 判斷類別名是否已經存在
        if (cm.IsExists(name))
        {
            Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('類別名稱已經存在，請重新輸入！');</script>");
            txtCaname.Text = "";
            return;
        }

        // 添加類別
       bool b =  cm.Insert(name);
       if (b)
       {
           // 清空文本框
           txtCaname.Text = "";

           // 添加成功，重新綁定類別列表
           DataTable dt = cm.SelectAll();
           repCategory.DataSource = dt;
           repCategory.DataBind();
       }
       else
       {
           Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('類別添加失敗，請聯系管理員！');</script>");
       }
    }

    // 刪除按鈕
    protected void lbtnDelCa_Click(object sender, EventArgs e)
    {
        // 當前點擊的按鈕
        LinkButton lb = (LinkButton)sender;
        // 獲取傳過來的commentId
        string caId = lb.CommandArgument;
        // 刪除該類別
        bool b = new CategoryManager().Delete(caId);
        if (b)
        {
            // 重新綁定新聞類別
            DataTable dt = new CategoryManager().SelectAll();
            repCategory.DataSource = dt;
            repCategory.DataBind();
        }
        else
        {
            Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('類別刪除失敗，請聯系管理員！');</script>");
        }

    }
}