ASP.NET实现带私聊功能的聊天室代码示例

public partial class Default11 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
   
    {
        Session["user"] = "123";
           DropDownList1.Items.Add("rra");
           DropDownList1.Items.Add("rrb");
           DropDownList1.Items.Add("rrc");
           DropDownList1.Items.Add("rrd");

        Application.Lock();
        string ownername = Session["user"].ToString();

        if (!IsPostBack)
        {//私聊 发送 接收
            string owner = Application["owner"].ToString();
            string[] owners = owner.Split(',');
            string reciver = Application["recevie"].ToString();
            string[] recivers = reciver.Split(',');
            string chat = Application["chat"].ToString();
            string[] chats = chat.Split(',');
            string chattime = Application["chattime"].ToString();
            string[] chattimes = chattime.Split(',');

            for (int i = (owners.Length - 1); i >= 0; i--)
            {
                if (ownername.Trim() == owners[i].Trim())
                {// 发送