Register.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 Register : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Page.IsPostBack == false)
        {
            //将数据添加到年的下拉列框中
            for (int Year = 1930; Year <= 2008; Year++)
            {
                this.DDL_Year.Items.Add(Convert.ToString(Year));
            }
            //将数据添加到月下拉列框中
            for (int Month = 1; Month <= 12; Month++)
            {
                this.DDl_Month.Items.Add(Convert.ToString(Month));
            }
            //将数据添加到日下拉列表框中
            for (int Day = 1; Day <= 31; Day++)
            {
                this.DDL_Day.Items.Add(Convert.ToString(Day));
            }
            this.DDL_Year.Text = "1970";
        }
        this.btn_Catch.CausesValidation = false;//重填按钮不触发验证事件
        this.btn_Check.CausesValidation = false;//检测用户名按钮不触发验证事件
    }
    protected void btn_Check_Click(object sender, EventArgs e)
    {
        //没有调用公共方法，直接进行记录查询
        //SqlConnection Con = new SqlConnection();
        //Con.ConnectionString ="server=.\\sql2005;database='mydata';integrated security=sspi";
        //SqlCommand Com=new SqlCommand ();
        //Com.Connection =Con;
        //Com.CommandText ="select * from 会员表 where 会员名='"+this.txt_User_Name.Text +"'";
        //SqlDataAdapter Da=new SqlDataAdapter ();
        //Da.SelectCommand =Com;
        //DataSet Ds=new DataSet ();
        //try
        //{
        //    Ds.Clear ();
        //    Con.Open ();
        //    Da.Fill (Ds,"会员表");
        //    if (Ds.Tables ["会员表"].Rows.Count !=0)
        //        this.Labinfo.Text ="对不起，此用户已经被注册，请输入其他用户名！";
        //    else
        //        this.Labinfo.Text ="恭喜您，此用户名可以使用！";
        //    Con.Close ();
        //}