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 admin
{
	/// <summary>
	/// Sails 的摘要說明。
	/// </summary>
	public class Sails : General
	{
		protected System.Web.UI.WebControls.DropDownList Year;
		protected System.Web.UI.WebControls.DropDownList Month;
		protected System.Web.UI.WebControls.DropDownList Day;
		protected System.Web.UI.WebControls.Button QueryMonth;
		protected System.Web.UI.WebControls.Button QueryDay;
		protected System.Web.UI.WebControls.DataGrid GridSails;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if (!Page.IsPostBack)
			{
				BindDate();
				//綁定當天記錄
				BindGrid(DateTime.Now.Year.ToString(), DateTime.Now.Month.ToString(), DateTime.Now.Day.ToString());
				//顯示為當前日期
				Year.SelectedValue = DateTime.Now.Year.ToString();
				Month.SelectedValue =  DateTime.Now.Month.ToString();
				Day.SelectedValue = DateTime.Now.Day.ToString();
				//插入日志
				AdminDB.InsertAction("查看當日銷售記錄", System.DateTime.Now, User.Identity.Name);
			}
		}


		/// <summary>
		/// 綁定某年某月某日的銷售記錄到DataGrid
		/// </summary>
		/// <param name="year"></param>
		/// <param name="month"></param>
		/// <param name="day"></param>
		void BindGrid(string year, string month, string day)
		{
			GridSails.DataSource = new AdminDB().GetSails(year, month, day);
			GridSails.DataBind();
		}

		/// <summary>
		/// 綁定年月日信息到下拉列表
		/// </summary>
		void BindDate()
		{
			//綁定年
			for (int i=2000; i<2020; i++)
			{
				ListItem item = new ListItem(Convert.ToString(i),Convert.ToString(i));
				Year.Items.Add(item);
			}
			//綁定月
			for (int i = 1 ; i<13 ; i++)
			{
				ListItem item1 =  new ListItem(Convert.ToString(i),Convert.ToString(i));
				Month.Items.Add(item1);
			}
			//綁定日
			for (int i=1; i<32; i++)
			{
				ListItem item2 =  new ListItem(Convert.ToString(i),Convert.ToString(i));
				Day.Items.Add(item2);
			}
		}


		#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(nèi)容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.QueryMonth.Click += new System.EventHandler(this.QueryMonth_Click);
			this.QueryDay.Click += new System.EventHandler(this.QueryDay_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		//查詢所選日期的月銷售記錄
		private void QueryMonth_Click(object sender, System.EventArgs e)
		{
		
			BindGrid(Year.SelectedValue, Month.SelectedValue, "0");

			AdminDB.InsertAction("查看"+Year.SelectedValue+"年"+Month.SelectedValue+"月"
				+ "的銷售記錄", System.DateTime.Now, User.Identity.Name);
		}
		//查詢所選日期的日銷售記錄
		private void QueryDay_Click(object sender, System.EventArgs e)
		{
			BindGrid(Year.SelectedValue, Month.SelectedValue, Day.SelectedValue);

			AdminDB.InsertAction("查看"+Year.SelectedValue+"年"+Month.SelectedValue+"月"
				+ Day.SelectedValue +"日的銷售記錄", System.DateTime.Now, User.Identity.Name);

		}
	}
}