user_change_theme.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;
using lalablog;
public partial class user_change_theme : System.Web.UI.Page
{
    int userid,themeid;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["userid"] == null)
            Response.Redirect("~/user/userLogin.aspx?url="+Server .HtmlEncode(Request .RawUrl ));
        else
            this.userid = Convert.ToInt32(Session["userid"].ToString());
        if (Request.QueryString["themeid"] != null)
        {
            this.themeid = Convert.ToInt32(Request.QueryString["themeid"]);
            changeTheme();
        }
    }

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

        string sql = "update users set themeid=" + themeid + " where userid=" + userid;
        SqlCommand cm = new SqlCommand(sql, cn);

        try
        {
            cm.ExecuteNonQuery();
            myfunc m1 = new myfunc("更改主题成功!");
            Response .Write (m1.JavaMsg ("../read.aspx?userid="+userid));
        }
        catch (SqlException ex)
        {
            myfunc m1 = new myfunc(ex.Message);
            Response.Write(m1.JavaMsg());        
        }
        finally
        {
            cn.Close();
        }
    }
}