user_blog_delete.aspx.cs

本程序基于 asp.net 2.0 +sql server 2

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 user_user_blog_delete : System.Web.UI.Page
{
    int userid,blogid;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["userid"] == null)
            Response.Redirect("~/user/userLogin.aspx?url="+Server .HtmlEncode(Request .RawUrl ));
        else
            userid = Convert.ToInt32(Session["userid"].ToString());
        blogid = Convert.ToInt32(Request.QueryString["blogid"]);
        delete();
        Response.Redirect("~/user/user_manage_blog.aspx");

    }

    private string delete()
    {

        string strconn = ConfigurationManager.ConnectionStrings["dsn"].ToString();
        SqlConnection cn = new SqlConnection(strconn);
        cn.Open();

        string mysql = "delete from blog where blogid=" + blogid+" and userid="+userid ;
        mysql += ";delete from reply where blogid=" + blogid;
        SqlCommand cm = new SqlCommand(mysql, cn);

        try 
        { 
        cm.ExecuteNonQuery ();
        return "成功删除";
        }
        catch (SqlException ex)
        {
            return ex.Message;
        }
        finally 
        {
            cn.Close();
        }
    }
}