roomsmanmodule.ascx.cs

酒店客房管理系统的主要任务是对酒店的客房进行管理

namespace JdglWeb.Modules
{
	using System;
	using System.Data;
	using System.Data.SqlClient;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Configuration;

	/// <summary>
	///		RoomsManModule 的摘要说明。
	/// </summary>
	public class RoomsManModule : ModuleBase
	{
		protected System.Web.UI.WebControls.Button search;
		protected System.Web.UI.WebControls.DataGrid dg_RoomsList;
		protected System.Web.UI.WebControls.TextBox RoomIdTextBox;
		protected System.Web.UI.WebControls.Button ShowAll;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack) Show_RoomsList();
		}

		protected void Show_RoomsList()
		{	
			//从文件Web.config中读取连接字符串
			string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
			//连接JdglSys数据库
			SqlConnection Conn = new SqlConnection (sqldb);
			//创建SqlDataAdapter对象,调用存储过程sp_ShowRoomsInfo
			SqlDataAdapter myadapter=new SqlDataAdapter ("sp_ShowRoomsList",Conn);
			//创建并填充DataSet
			DataSet ds = new DataSet ();
			myadapter.Fill (ds);
        
			dg_RoomsList.DataSource =ds;
			dg_RoomsList.DataBind ();

			Conn.Close ();
		}
		protected void DataGrid_Delete(Object sender,DataGridCommandEventArgs E)
		{
			//从文件Web.config中读取连接字符串
			string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
			//连接JdglSys数据库
			SqlConnection Conn = new SqlConnection (sqldb);
			Conn.Open ();
			//创建mycommand对象,调用存储过程
			SqlCommand mycommand = new SqlCommand ("sp_DeleteRoom",Conn);
			mycommand.CommandType=CommandType.StoredProcedure;
			mycommand.Parameters .Add ("@RoomId",SqlDbType.Int );
			//从dg_RoomsList中获取UserId值
			mycommand.Parameters ["@RoomId"].Value =int.Parse(E.Item.Cells [0].Text .ToString ());

			mycommand.ExecuteNonQuery ();

			dg_RoomsList.EditItemIndex =-1;
			//更新dg_RoomsList
			Show_RoomsList();
		}
		protected void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dg_RoomsList.CurrentPageIndex =E.NewPageIndex ;
			Show_RoomsList();
		}
		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		///		设计器支持所需的方法 - 不要使用代码编辑器
		///		修改此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.search.Click += new System.EventHandler(this.search_Click);
			this.ShowAll.Click += new System.EventHandler(this.ShowAll_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void search_Click(object sender, System.EventArgs e)
		{
			//从文件Web.config中读取连接字符串
			string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
			//连接JdglSys数据库
			SqlConnection Conn = new SqlConnection (sqldb);
				//创建SqlDataAdapter对象,调用存储过程sp_ShowRoomsInfo
			SqlDataAdapter myadapter = new SqlDataAdapter ("sp_ShowRoomById",Conn);
			myadapter.SelectCommand.CommandType=CommandType.StoredProcedure;
			myadapter.SelectCommand.Parameters .Add ("@RoomId",SqlDbType.Int);
			myadapter.SelectCommand.Parameters ["@RoomId"].Value =RoomIdTextBox.Text.Trim();
			//创建并填充DataSet
			DataSet ds = new DataSet ();
			myadapter.Fill (ds);

			dg_RoomsList.DataSource =ds;
			dg_RoomsList.DataBind ();

			Conn.Close ();
		}

		private void ShowAll_Click(object sender, System.EventArgs e)
		{
		   Show_RoomsList();
		}
	}
}