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 MyChatRoom.BusinessLogicLayer;
//该源码下载自www.51aspx.com(５1ａｓｐｘ．ｃｏｍ)

namespace MyChatRoom.WebLayer
{
	/// <summary>
	/// Speak 的摘要说明。
	/// </summary>
	public partial class Speak : System.Web.UI.Page
	{
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		/// <summary>
		/// 用户单击“发言”时的事件
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		protected void ButtonSpeak_Click(object sender, System.EventArgs e)
		{
			//获取用户输入的发言信息
			string userName=Session["user_name"].ToString();		//用户名
			string createTime=System.DateTime.Now.ToLongTimeString();//发言时间
			string content=TextBoxContent.Text;						//发言内容
			string color=DropDownListColor.SelectedItem.Value;		//颜色
			string emotion=DropDownListEmotion.SelectedItem.Value;	//表情
			

			Message message=new Message();			//实例化Message类
			message.Add(userName,createTime,content,color,emotion);		//利用Message类的Add方法，向数据库添加留言
			//清空发言框
			TextBoxContent.Text="";
		}

		/// <summary>
		/// 用户单击“离开”时的事件
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		protected void ButtonExit_Click(object sender, System.EventArgs e)
		{
			Session["user_name"]=null;			//销毁Session中的用户信息
			Response.Write("<Script Language=JavaScript>window.top.location=\"Login.aspx\";</Script>");
		}
	}
}