viewmessage.aspx.cs

visual studio 2005开发环境下采用C#语言开发的简单留言本源码

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 ViewMessage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.Cookies["user"] == null || Request.Cookies["user"]["name"].ToString().Trim() == "")
            {
                Response.Redirect("index.aspx");
            }
            gvbind();
        }
    }
    private void gvbind()
    {
        GridView1.DataSource = SqlDB.getdataset("select * from Newpost where ParentID=0");
        GridView1.DataBind();
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        gvbind();
    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (Request.Cookies["user"] != null && Request.Cookies["user"]["isAdmin"].ToString().Trim() == "1")
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                LinkButton del = (LinkButton)e.Row.FindControl("del");
                del.CommandName = "del";
                del.CommandArgument = e.Row.RowIndex.ToString();
                del.Visible = true;
            }
        }
    }
    protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "del")
        {
            if (SqlDB.runsql("delete from where ParentID =" + int.Parse(GridView1.DataKeys[int.Parse(e.CommandArgument.ToString())].Value.ToString())) > 0)
            {
                Response.Write("<script>alert(\"删除成功！\");</script>");
            }
            else
            {
                Response.Write("<script>alert(\"删除失败！\");</script>");
            }
            gvbind();
        }
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        Response.Redirect("WriteMessage.aspx");
    }
}