Reg.aspx.cs

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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 Reg : System.Web.UI.Page
{
    SqlData data = new SqlData();
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {
            DropDownList2.DataSource = data.GetDataReader("select * from  dbo.FangWu  where IsZhuZhu='否' ");
            DropDownList2.DataTextField = "FangHao";
            DropDownList2.DataValueField = "id";
            DropDownList2.DataBind();

        }
    }

    protected void Button2_Click(object sender, EventArgs e)
    {
        string res;
        upload up = new upload();
        res = up.Up(file1, "files/");
        this.Label1.Visible = true;
        this.Label1.Text = up.Resup[Convert.ToInt32(res)];
        this.pic.Text = up.s;
        Image1.ImageUrl = "files/" + pic.Text;

    }
    protected void Button1_Click1(object sender, EventArgs e)
    {
        SqlDataReader dr = data.GetDataReader("select * from Users where UserName='" + txtname.Text + "' ");
        if (dr.Read())
        {
            Label2.Text = "账号已经存在";
            return;
        }
        SqlDataReader dr1 = data.GetDataReader("select * from Users where emal='" + txtemal.Text + "' ");
        if (dr1.Read())
        {
            Label2.Text = "注册邮箱已经存在";
            return;
        }
        else
        {

            data.RunSql("insert into Users(emal,UserName,Sex,Age,Ds,pwd,RenKou,XingMing,Photo,Tel,GouFangShiJian,ZhuZhi,AiHao,FangWu)values('" + txtemal.Text + "','" + txtname.Text + "','" + DropDownList1.SelectedItem.Text + "','" + Age.Text + "','" + txtds.Text + "','" + TextBox1.Text + "','" + RenKou.Text + "','" + XingMing.Text + "','" + pic.Text + "','" + Tel.Text + "','" + TextBox3.Text + "','" + TextBox4.Text + "','" + TextBox5.Text + "','" + DropDownList2.SelectedItem.Text + "')");


            data.RunSql("update  FangWu set IsZhuZhu='是' where id=" + DropDownList2.SelectedValue);
            Alert.AlertAndRedirect("注册成功！", "Login.aspx");