个人网页/Myall.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web.Security;
using System.Web.UI.WebControls.WebParts;
using System.Data.SqlClient;
using System.Drawing;
using System.IO;

namespace 个人网页
{
    public partial class Myall : System.Web.UI.Page
    {
        public SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnStr"]);

        protected void Page_Load(object sender, EventArgs e)
        {
            if (Session["username"] == null)
            {
                Response.Write("<script language=javascript>alert('您还没有注册,请注册后再登陆!');location='Register.aspx'</script>");
            } 
            else  if (!IsPostBack)
            {
                string strsql = "select * from PType where parentId = 1";
                SqlCommand mycmd = new SqlCommand(strsql, conn);
                conn.Open();
                SqlDataReader mydr = mycmd.ExecuteReader();
                Select1.DataSource = mydr;
                Select1.DataTextField = "category_name";
                Select1.DataValueField = "category_ID";
                Select1.DataBind(); 
                mydr.Close(); 
                conn.Close(); 
            }
        }
        protected void tbPerHomeName_TextChanged(object sender, EventArgs e)
        {
            if (tbUserName.Text == "")
            {
                rfUN.Text = "空间名不能为空";
                rfUN.ForeColor = System.Drawing.Color.Red;
            }
            else
            {
                if (isName(tbUserName.Text))
                {
                    rfUN.Text = "空间名已存在!";
                    rfUN.ForeColor = System.Drawing.Color.Red;
                }
                else
                {
                    rfUN.Text = "可以注册!";
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