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>
	/// UserList 的摘要說明。
	/// </summary>
	public class UserList : General
	{
		protected System.Web.UI.WebControls.DataGrid GridUsers;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if (!Page.IsPostBack)
			{
				BindGrid();
				AdminDB.InsertAction("查看用戶列表", System.DateTime.Now, User.Identity.Name);
			}
			
		}

		void BindGrid()
		{
			AdminDB admin = new AdminDB();
			GridUsers.DataSource = admin.GetUserList();
			GridUsers.DataBind();
		}

		#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.GridUsers.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.GridUsers_PageIndexChanged);
			this.GridUsers.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.GridUsers_CancelCommand);
			this.GridUsers.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.GridUsers_EditCommand);
			this.GridUsers.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.GridUsers_UpdateCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void GridUsers_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			GridUsers.CurrentPageIndex = e.NewPageIndex;
			BindGrid();
		}

		

		private void GridUsers_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			//設置當前行為編輯狀態
			GridUsers.EditItemIndex = e.Item.ItemIndex;
			//綁定數據				
			BindGrid();
		}

		private void GridUsers_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			GridUsers.EditItemIndex = -1;
			BindGrid();
		}

		private void GridUsers_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			//獲得輸入的預存款金額
			decimal money = decimal.Parse(((TextBox)e.Item.FindControl("Acount")).Text.Trim());
			//獲得要更改的用戶的UserId
			int userId = Convert.ToInt32(GridUsers.DataKeys[e.Item.ItemIndex]);

			AdminDB admin = new AdminDB();
			//執行更新操作
			admin.UpdateUserAcount(money, userId.ToString());
			//插入日志
			AdminDB.InsertAction("修改用戶Id為" + userId.ToString() + "的帳戶金額", System.DateTime.Now, User.Identity.Name);
			//退出編輯狀態
			GridUsers.EditItemIndex = -1;
			//綁定
			BindGrid();
		}
	}
}