albumindex.aspx.cs

企业内部的短信交流管理平台。 设计详细

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 Com.SMS.SMSUI
{
	/// <summary>
	/// AlbumIndex 的摘要说明。
	/// </summary>
	public class AlbumIndex : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtSearch;
		protected System.Web.UI.WebControls.Button btnSearch;
		protected System.Web.UI.WebControls.DataList dtlPhotos;
		protected System.Web.UI.WebControls.HyperLink HyperLink4;
		protected System.Web.UI.WebControls.HyperLink HyperLink3;
		protected System.Web.UI.WebControls.HyperLink HyperLink2;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.DropDownList ddlPage;

		const int PAGE_SIZE = 15;
		int curpage = 1;
		protected System.Web.UI.HtmlControls.HtmlSelect album;
		protected System.Web.UI.HtmlControls.HtmlSelect ddlAlbumType;
		string keyword="";
		int typeId=-1;
		int abId=-1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(Session["User"]==null)
			{
				Response.Write("<script>alert('对不起，你没有登录');location.href='Login.aspx';</script>");
			}
			if (Request["page"] != null)
			{
				curpage = Convert.ToInt32(Request["page"]);
			}
			if(Request["abId"]!=null)
			{
				abId=Convert.ToInt32(Request["abId"]);
			}
			else
			{
				if(this.album.Items.Count!=0)
				{
					abId=Convert.ToInt32(this.album.Value);
				}
			}
			if(Request["typeId"]!=null)
			{
				typeId=Convert.ToInt32(Request["typeId"]);
			}
			if(Request["keyword"]!=null)
			{
				keyword=Request["keyword"];
			}
			if(!this.IsPostBack)
			{
				this.txtSearch.Text=keyword;

				BindAlbumType();
				BindAlbum();
				BindPhotos();
			}
		}

		void BindPhotos()
		{
			Dal.PhotosMake pm=new Dal.PhotosMake();
			int count;
			DataTable dt=pm.FindWhere(curpage,PAGE_SIZE,out count,this.txtSearch.Text,Convert.ToInt32(this.album.Value),1,Convert.ToInt32(this.ddlAlbumType.Value));
			this.dtlPhotos.DataSource=dt;
			this.dtlPhotos.DataBind();

			string urlstring = "&keyWord=" + Server.UrlEncode(this.txtSearch.Text) + "&abId=" +this.album.Value+"&typeId="+this.ddlAlbumType.Value;

			if (curpage > 1)
			{
				this.HyperLink4.NavigateUrl = "?page=1"+urlstring;
				this.HyperLink3.NavigateUrl = "?page=" + (curpage - 1)+urlstring;
			}
			if (curpage < count)
			{
				this.HyperLink2.NavigateUrl = "?page=" + (curpage + 1)+urlstring;
				this.HyperLink1.NavigateUrl = "?page=" + count+urlstring;
			}

			this.Label1.Text ="当前第:"+curpage+" 页，共:"+count+" 页.";
			this.ddlPage.Items.Clear();
			for (int i = 1; i <= count; i++)
			{
				this.ddlPage.Items.Add(i.ToString());
			}
			this.ddlPage.SelectedValue = curpage.ToString();
			this.ddlPage.Attributes.Add(
				"onchange",
				"location.href='?page='+this.value+'" + urlstring + "'"
				);
		}

		void BindAlbumType()
		{
			this.album.Items.Clear();
			Dal.AlbumTypeMake atm=new Com.SMS.Dal.AlbumTypeMake();
			DataTable dt=atm.FindAll();

			this.ddlAlbumType.DataSource=dt;
			this.ddlAlbumType.DataTextField="typeName";
			this.ddlAlbumType.DataValueField="abtId";
			this.ddlAlbumType.DataBind();
			this.ddlAlbumType.Items.Insert(0,"所有");
			this.ddlAlbumType.Items[0].Value="-1";
			this.ddlAlbumType.Value=typeId.ToString();
		}

		void BindAlbum()
		{
			Dal.AlbumMake am=new Com.SMS.Dal.AlbumMake();
			DataTable dt=am.FindByType(Convert.ToInt32(this.ddlAlbumType.Value));

			this.album.DataSource=dt;
			this.album.DataTextField="alName";
			this.album.DataValueField="abId";
			this.album.DataBind();
			this.album.Items.Insert(0,"所有");
			this.album.Items[0].Value="-1";
			this.album.Value=abId.ToString();
		}

		#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.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnSearch_Click(object sender, System.EventArgs e)
		{
			abId=Convert.ToInt32(this.album.Value);
			BindAlbum();
			this.curpage=1;
			BindPhotos();
//			BindAlbum();
//			this.album.SelectedIndex=1;
		}
	}
}