using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace SCard.admin
{
	/// <summary>
	/// productHot 的摘要說明。
	/// </summary>
	public class productHot : System.Web.UI.Page
	{
        protected System.Web.UI.WebControls.DropDownList ddlClass;
        protected System.Web.UI.WebControls.Button btnSelect;
        protected System.Web.UI.WebControls.DataGrid PDataGrid;
        protected DevCenter.OleDbPager OleDbPager1;
        protected System.Web.UI.WebControls.DataGrid DataGrid1;
    
		private void Page_Load(object sender, System.EventArgs e)
		{
            //權限檢查
            if( Session["adminName"]==null || Session["adminName"].ToString() == String.Empty )
            {
                Response.Write("<font color=#ff0000 style='FONT-SIZE: 12px'>對不起,您沒足夠權限訪問此頁!!</font><br>");
                Response.Write("<a href=index.aspx target=_top style='FONT-SIZE: 12px'>重新登陸</a><br>");
                Response.End();
                return;
            }

            if( !IsPostBack )
            {
                getddlClassData();
                getPData();//綁定商品列表 數據
                getHData();//綁定熱賣列表 數據
            }
		}

        private void getPData()//綁定商品列表 數據
        {
            string mySql="select * from Products Left Outer join Category on  Products.CID = Category.CID where PHot=0 order by PID desc";
            /*
            DBConn myDB = new DBConn();
            PDataGrid.DataSource  = myDB.getDataReader(mySql);
            PDataGrid.DataBind();
            myDB.Close();
            */

            //分頁
            MyOleDbPager oleDbPager = new MyOleDbPager();
			oleDbPager.setAttribute( OleDbPager1, "PDataGrid", mySql, "10000000-PID", 5);
                
        }


        private void getHData()//綁定熱賣列表 數據
        {
            string sql="select * from Products Left Outer join Category on  Products.CID = Category.CID where PHot=1 order by PID desc";

            DBConn myDB = new DBConn();
            DataGrid1.DataSource  = myDB.getDataReader(sql);
            DataGrid1.DataBind();
            myDB.Close();
                
        }

        private void getddlClassData()//綁定 類別選框
        {
            DBConn myDB = new DBConn();
            string sql="select * from Category order by CID desc";
            ddlClass.DataSource  = myDB.getDataReader(sql);
            ddlClass.DataTextField = "CName";
            ddlClass.DataValueField = "CID";
            ddlClass.DataBind();
            myDB.Close();
            
            ddlClass.Items.Insert(0,new ListItem("所有分類","-1"));
        }

		#region Web 窗體設計器生成的代碼
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 該調用是 ASP.NET Web 窗體設計器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
		/// 此方法的內容。
		/// </summary>
		private void InitializeComponent()
		{    
            this.btnSelect.Click += new System.EventHandler(this.btnSelect_Click);
            this.PDataGrid.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.PDataGrid_DeleteCommand);
            this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
            this.Load += new System.EventHandler(this.Page_Load);

        }
		#endregion

        private void btnSelect_Click(object sender, System.EventArgs e)
        {
            string mySql = "select * from Products Left Outer join Category on  Products.CID = Category.CID where PHot=0 order by PID desc";            
 
            string strClass = ddlClass.SelectedValue; 

            if( !strClass.Equals("-1") )
            {
                mySql = "select * from Products Left Outer join Category on  Products.CID = Category.CID where PHot=0 and Products.CID=" + strClass + " order by PID desc";            
            }  

            //分頁
            MyOleDbPager oleDbPager = new MyOleDbPager();
			oleDbPager.setAttribute( OleDbPager1, "PDataGrid", mySql, "10000000-PID", 10);
        }

        private void PDataGrid_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        {
            string strid = e.Item.Cells[0].Text;
            DBConn myDB = new DBConn();
            string sql="update Products set PHot=1 where PID="+strid;
            myDB.ExecuteNonQuery(sql);
            myDB.Close();

            //getPData();//綁定商品列表 數據
            getHData();//綁定熱賣列表 數據
        }

        private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        {
            string strid = e.Item.Cells[0].Text;
            DBConn myDB = new DBConn();
            string sql="update Products set PHot=0 where PID="+strid;
            myDB.ExecuteNonQuery(sql);
            myDB.Close();

            //getPData();//綁定商品列表 數據
            getHData();//綁定熱賣列表 數據
        }
	}
}