talk.aspx.cs

毕业设计——在线视频点播系统 内容很全

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;
using System.Data.SqlClient;
namespace gllbysj
{
	/// <summary>
	/// talk 的摘要说明。
	/// </summary>
	public class talk : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label6;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.Label Label12;
		protected System.Web.UI.WebControls.DataList DataList1;
		protected System.Web.UI.WebControls.LinkButton Linkbutton8;
		protected System.Web.UI.WebControls.Label Label11;
		protected System.Web.UI.WebControls.Label Label10;
		protected System.Web.UI.WebControls.TextBox tb2;
		protected System.Web.UI.WebControls.Label Label9;
		protected System.Web.UI.WebControls.LinkButton LinkButton5;
		protected System.Web.UI.WebControls.LinkButton LinkButton4;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.Label Label13;
		protected System.Web.UI.WebControls.Label Label14;
		protected System.Web.UI.WebControls.Label Label15;
		protected System.Web.UI.WebControls.Label Label2;
	
		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(!this.IsPostBack)
			{
				string vname=Session["vname"].ToString();
				string vid=Session["vid"].ToString();
				//Response.Write(vid);
				SqlConnection con=db.createcon();
				con.Open();
				SqlCommand cmm=new SqlCommand("select image,descr from mess where id='"+vid+"'",con);
				SqlDataReader sdr=cmm.ExecuteReader();
				sdr.Read();
				string s="upimage/"+sdr["image"].ToString();
				this.Image1.ImageUrl=s;
				this.Label6.Text=vname;
				this.Label12.Text="&nbsp;&nbsp;&nbsp;&nbsp;"+sdr["descr"].ToString();
				con.Close();
				if(Session["name"]!=null)
			
				{
					
					this.Label11.Text=Session["name"].ToString();
				}

					

				this.bind();
			}
		}
        
		public void bind()
		{ 
			int aa=Convert.ToInt32(this.Label14.Text);
			string vvname=Session["vname"].ToString();
			SqlConnection con=db.createcon();
			con.Open();
			//string s="火花";
			string str="select * from talks where vname='"+vvname+"' order by times DESC";
			SqlDataAdapter sda=new SqlDataAdapter();
			sda.SelectCommand=new SqlCommand(str,con);
			//SqlCommand cmm=new SqlCommand();
			//SqlDataAdapter sda=new SqlDataAdapter();
			//sda.SelectCommand=new SqlCommand("select * from talks where vname='火花',con");
			DataSet ds=new DataSet();
			sda.Fill(ds);


			System.Web.UI.WebControls.PagedDataSource ps=new PagedDataSource();
			ps.DataSource=ds.Tables[0].DefaultView;
			ps.AllowPaging=true;
			ps.PageSize=10;
			ps.CurrentPageIndex=aa-1;
			int aaa=ps.PageCount;
			this.Label15.Text="共"+aaa+"页";
			this.LinkButton4.Visible=true;
			this.LinkButton5.Visible=true;
			if(aa==1)
			{
				this.LinkButton4.Visible=false;

			}
			if(aa==ps.PageCount)
			{
				this.LinkButton5.Visible=false;
			}



			this.DataList1.DataSource=ps;
			this.DataList1.DataBind();
			this.Label2.Text="共有"+ds.Tables[0].Rows.Count.ToString()+"个评论";
			con.Close();

		

		}


		#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.DataList1.ItemCommand += new System.Web.UI.WebControls.DataListCommandEventHandler(this.DataList1_ItemCommand);
			this.LinkButton4.Click += new System.EventHandler(this.LinkButton4_Click);
			this.LinkButton5.Click += new System.EventHandler(this.LinkButton5_Click);
			this.Linkbutton8.Click += new System.EventHandler(this.Linkbutton8_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		public void pl()
		{  
			if(Session["name"]!=null)
			{
				string vname=Session["vname"].ToString();
				string name=Session["name"].ToString();
				string time1=Convert.ToString(System.DateTime.Now);
				string add=Request.UserHostAddress.ToString();
				
				string tb1=this.tb2.Text;
				
				SqlConnection con=db.createcon();
				con.Open();
				SqlCommand cmm=new SqlCommand("insert into talks(vname,autor,times,msg,address) values('"+vname+"','"+name+"','"+time1+"','"+tb1+"','"+add+"')",con);
				cmm.ExecuteNonQuery();
				con.Close();
				this.jia();
	
			}
			else
			{
				Response.Write("<script language=javascript>alert('请返回主页先登陆！')</script>");
			}
			
        
		}
		public void jia()
		{
			SqlConnection con=db.createcon();
			con.Open();
			string id=Session["vid"].ToString();
			SqlCommand cm=new SqlCommand("select talk from mess where id='"+id+"' ",con);
			SqlDataReader sdr=cm.ExecuteReader();
			sdr.Read();
			int a=Convert.ToInt32(sdr["talk"].ToString());
			a++;
			con.Close();
			SqlConnection cn=db.createcon();
			cn.Open();
			SqlCommand cmm=new SqlCommand("update mess set talk='"+a+"' where id='"+id+"'",cn);
			cmm.ExecuteNonQuery();
			cn.Close();


		
			
		}



		private void DataList1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		private void Linkbutton8_Click(object sender, System.EventArgs e)
		{
			this.pl();
			
			this.bind();
			this.tb2.Text="";

		}

		private void LinkButton4_Click(object sender, System.EventArgs e)
		{
			this.Label14.Text=Convert.ToString(Convert.ToInt32(this.Label14.Text)-1);
			this.bind();
		}

		private void LinkButton5_Click(object sender, System.EventArgs e)
		{
			this.Label14.Text=Convert.ToString(Convert.ToInt32(this.Label14.Text)+1);
			this.bind();
		}
		public void del()
		{
			Label id=new Label();
			id=(Label)(this.DataList1.Items[0].Controls[0].FindControl("Label7"));
			
			string id1=id.Text+"数";
			Response.Write(id1);


		}

		private void DataList1_ItemCommand(object source, System.Web.UI.WebControls.DataListCommandEventArgs e)
		{
			if(e.CommandName=="del")
			{

			}
		}

	}
}