customersmanmodule.ascx.cs

这是酒店客房管理系统

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>
	///		CustomersManModule 的摘要说明。
	/// </summary>
	public class CustomersManModule : ModuleBase
	{
		protected System.Web.UI.WebControls.Button search;
		protected System.Web.UI.WebControls.DataGrid dg_CustomersList;
		protected System.Web.UI.WebControls.DropDownList StatusList;
		protected System.Web.UI.WebControls.TextBox InputTextBox;
		protected System.Web.UI.WebControls.DropDownList MouthFromList;
		protected System.Web.UI.WebControls.DropDownList DayFromList;
		protected System.Web.UI.WebControls.DropDownList MouthToList;
		protected System.Web.UI.WebControls.DropDownList DayToList;
		protected System.Web.UI.WebControls.DropDownList YearFromList;
		protected System.Web.UI.WebControls.DropDownList YearToList;
		protected System.Web.UI.WebControls.Button ShowAll;

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

		protected void Show_CustomersList()
		{	
			//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);
			//定义sql语句
			String selsql="select c.CName,c.CIdentityId,r.RoomId,r.BeginTime,c.CPhone "+
				"from RoomOperation r,CustomersInfo c where c.CIdentityId=r.CIdentityId";
			//创建SqlDataAdapter对象,调用selsql
			SqlDataAdapter myadapter = new SqlDataAdapter (selsql,Conn);
			//创建并填充DataSet
			DataSet ds = new DataSet ();
			myadapter.Fill (ds);
        
			dg_CustomersList.DataSource =ds;
			dg_CustomersList.DataBind ();

			Conn.Close ();
		}

		protected void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dg_CustomersList.CurrentPageIndex =E.NewPageIndex ;
			Show_CustomersList();
		}
		#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 ShowAll_Click(object sender, System.EventArgs e)
		{
			Show_CustomersList();
		}

		private void search_Click(object sender, System.EventArgs e)
		{
            dg_CustomersList.CurrentPageIndex=0;

			//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);
			//定义sql语句
			String selsql="select c.CName,c.CIdentityId,r.RoomId,r.BeginTime,c.CPhone "+
				"from RoomOperation r,CustomersInfo c where c.CIdentityId=r.CIdentityId";
			//读取时间纪录
			string datefrom=YearFromList.SelectedItem.Value.ToString()+"-"+MouthFromList.SelectedItem.Value.ToString()+"-"+DayFromList.SelectedItem.Value.ToString();
			string dateto=YearToList.SelectedItem.Value.ToString()+"-"+MouthToList.SelectedItem.Value.ToString()+"-"+DayToList.SelectedItem.Value.ToString();
            selsql=selsql+" and r.BeginTime between '"+datefrom+"'and'"+dateto+"'";
			//读取方式记录
			if(InputTextBox.Text!="")
			{
				//按姓名
			    if(StatusList.SelectedIndex==1)
					selsql=selsql+" and c.CName='"+InputTextBox.Text.Trim()+"'";
				//按身份证号
				else if(StatusList.SelectedIndex==2)
                    selsql=selsql+" and c.CIdentityId='"+InputTextBox.Text.Trim()+"'";
			}
			//创建SqlDataAdapter对象,调用selsql
			SqlDataAdapter myadapter = new SqlDataAdapter (selsql,Conn);
			//创建并填充DataSet
			DataSet ds = new DataSet ();
			myadapter.Fill (ds);

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

			Conn.Close ();
		}
	}
}