replymanage.aspx.cs

数据结构管理系统 数据结构管理系统

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;
using System.Data.SqlClient;

public partial class Admin_留言回复管理_ReplyManage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {   ///显示留言的数据
            BindLeavewordData();
            if (LeavewordList.Items.Count > 0)
            {
                LeavewordList.SelectedIndex = 0;
                ///显示回复的数据
                BindReplyData(Int32.Parse(LeavewordList.SelectedValue));
            }
        }	
    }
    private void BindLeavewordData()
    {   ///获取数据
        ILeaveword word = new Leaveword();
        SqlDataReader dr = word.GetLeavewords();
        ///绑定数据
        ///绑定数据
        LeavewordList.DataSource = dr;
        ///设置Text属性和Value属性的值
        LeavewordList.DataTextField = "Title";
        LeavewordList.DataValueField = "LeavewordID";
        LeavewordList.DataBind();
        ///关闭数据源
        dr.Close();
    }
    private void BindReplyData(int nLeavewordID)
    {   ///获取数据
        IReplyLeaveword replyword = new ReplyLeaveword();
        SqlDataReader dr = replyword.GetReplyByLeaveword(nLeavewordID);
        ///绑定数据
        ReplyView.DataSource = dr;
        ReplyView.DataBind();
        ///关闭数据源
        dr.Close();
    }
    protected void ReplyView_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "delete")
        {
            try
            {   ///删除数据
                IReply reply = new Reply();
                reply.DeleteReply(Int32.Parse(e.CommandArgument.ToString()));

                ///重新绑定控件的数据
                BindReplyData(Int32.Parse(LeavewordList.SelectedValue));
                Response.Write("<script>alert('" + "删除数据成功，请妥善保管好你的数据！" + "');</script>");
            }
            catch (Exception ex)
            {   ///跳转到异常错误处理页面
                Response.Redirect("ErrorPage.aspx?ErrorMsg=" + ex.Message.Replace("<br>", "").Replace("\n", "")
                    + "&ErrorUrl=" + Request.Url.ToString().Replace("<br>", "").Replace("\n", ""));
            }
        }
    }
    protected void ReplyView_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        ///
    }
    protected void ReplyView_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        ImageButton deleteBtn = (ImageButton)e.Row.FindControl("DeleteBtn");
        if (deleteBtn != null)
        {
            deleteBtn.Attributes.Add("onclick", "return confirm('你确定要删除所选择的数据项吗？');");
        }
    }
    protected void LeavewordList_SelectedIndexChanged(object sender, EventArgs e)
    {
        ///显示回复的数据
        BindReplyData(Int32.Parse(LeavewordList.SelectedValue));
    }
}