ucfaq.ascx.cs

在线 图书网上购物系统

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class UserControls_ucFAQ : System.Web.UI.UserControl
{
    private string replyID = String.Empty;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindData();
        }
    }
    private void BindData()
    {

        DataTable dt = Message.GetAllMessages(Session["LoginID"].ToString());
        Utilities.BindingDataList(this.dlMsgs, dt, "MsgID");
    }
    protected void DataList1_ItemCommand(object source, DataListCommandEventArgs e)
    {
        if (e.CommandName=="reply")
        {
            replyID = e.CommandArgument.ToString().Trim();//idto
            ViewState["ReplyID"] = replyID;
            if (replyID == Session["LoginID"].ToString().Trim())
            {
                this.lbMsg.Text = "不能给自己留言!";
                return;
            }
            else
            {
                this.lbMsg.Text = "你正在回复" + Global.GetNameByID(ViewState["ReplyID"].ToString().Trim());
                this.WebEditor1.Focus = true;
            }

        }
    }
    protected void dlMsgs_ItemDataBound(object sender, DataListItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
         {
            string replyID = ((DataRowView)e.Item.DataItem).Row.ItemArray[2].ToString().Trim();
            bool isread = bool.Parse(((DataRowView)e.Item.DataItem).Row.ItemArray[6].ToString());
            //设置不能回复自己给别人的留言
            if (replyID == Session["LoginID"].ToString().Trim())
            {
                LinkButton lb = (LinkButton)e.Item.FindControl("lbReply");
                lb.Visible = false;
            }
            //设置已读信息和没有读的信息图标
            Image img = (Image)e.Item.FindControl("img");
            if (isread == false)
            {
                img.ImageUrl = "~/images/unread.png";
            }
            else
            {
                img.ImageUrl = "~/images/read.png";
            }
            
         }
    }
    protected void btnReply_Click(object sender, EventArgs e)
    {
        if (ViewState["ReplyID"] == null)
        {
            this.lbMsg.Text = "请先选择要回复的留言!";
            return;
        }
       
        this.lbMsg.Text = "";
        Message msg = new Message();
        msg.Context = this.WebEditor1.Text;
        msg.DateTime = System.DateTime.Now;
        msg.IDFrom = Session["LoginID"].ToString();
        msg.IDTo = ViewState["ReplyID"].ToString();
        msg.IsRead = false;
        if (Message.InsertMessage(msg) != -100)
        {
            this.lbMsg.Text = "回复成功!";
            BindData();
        }
        else
        {
            this.lbMsg.Text = "回复失败!";
        }
    }
    protected void btnCancel_Click(object sender, EventArgs e)
    {
        this.WebEditor1.Text = "";
    }
    protected void lbDelete_Command(object sender, CommandEventArgs e)
    {
        Message.DeleteMessage(int.Parse(e.CommandArgument.ToString()));
        this.lbMsg.Text = "删除成功!";
        BindData();
    }
    protected void dlMsgs_SelectedIndexChanged(object sender, EventArgs e)
    {

    }
   
}