?? register.aspx.cs
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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration ;
using System.Data .SqlClient ;
namespace MMS
{
/// <summary>
/// register 的摘要說明。
/// </summary>
public class register : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox tbx_uid;
protected System.Web.UI.WebControls.TextBox tbx_password;
protected System.Web.UI.WebControls.TextBox txb_confirmpass;
protected System.Web.UI.WebControls.TextBox tbx_uemail;
protected System.Web.UI.WebControls.Button btn_submit;
protected System.Web.UI.WebControls.RequiredFieldValidator rfv_password;
protected System.Web.UI.WebControls.RequiredFieldValidator rfv_confirmpass;
protected System.Web.UI.WebControls.RequiredFieldValidator rfv_uemail;
protected System.Web.UI.WebControls.CompareValidator cpv_password;
protected System.Web.UI.WebControls.CustomValidator ctv_uid;
protected System.Web.UI.WebControls.HyperLink HyperLink1;
protected System.Web.UI.WebControls.TextBox tbx_uname;
protected System.Web.UI.WebControls.RequiredFieldValidator rfv_uname;
protected System.Web.UI.WebControls.RegularExpressionValidator rev_email;
protected System.Web.UI.WebControls.RequiredFieldValidator rfv_uid;
private void Page_Load(object sender, System.EventArgs e)
{
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN:該調用是 ASP.NET Web 窗體設計器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內容。
/// </summary>
private void InitializeComponent()
{
this.btn_submit.Click += new System.EventHandler(this.btn_submit_Click);
this.ctv_uid.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(this.ctv_uid_ServerValidate);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void btn_submit_Click(object sender, System.EventArgs e)
{
if(Page.IsValid )
{//從文件Web.config中讀取連接字符串
string strconn= ConfigurationSettings.AppSettings["dsn"];
//連接本地計算機的MMS數據庫
SqlConnection cn= new SqlConnection (strconn);
cn.Open ();
//利用Command對象調用存儲過程
SqlCommand cm=new SqlCommand ("useradd",cn);
//將命令類型轉為存儲類型
cm.CommandType =CommandType.StoredProcedure ;
//添加并給參數付值
cm.Parameters .Add ("@UID",SqlDbType.VarChar);
cm.Parameters .Add ("@UPassword",SqlDbType.VarChar);
cm.Parameters .Add ("@UName",SqlDbType.VarChar );
cm.Parameters .Add ("@Email",SqlDbType.VarChar);
cm.Parameters ["@UID"].Value =tbx_uid.Text .ToString ();
cm.Parameters ["@UPassword"].Value =tbx_password.Text .ToString ();
cm.Parameters ["@UName"].Value =tbx_uname.Text .ToString ();
cm.Parameters ["@Email"].Value =tbx_uemail.Text .ToString ();
cm.ExecuteNonQuery ();
//關閉連接
cn.Close();
Response.Redirect("default.aspx");
}
}
//驗證注冊用戶名的有效性
private void ctv_uid_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
{//從文件Web.config中讀取連接字符串
string strconn= ConfigurationSettings.AppSettings["dsn"];
//連接本地計算機的MMS數據庫
SqlConnection cn= new SqlConnection (strconn);
cn.Open ();
//構造SQL語句,該語句在Users表中檢查用戶名和密碼是否正確
string mysql= "select * from Users where Uid='"+tbx_uid.Text +"'";
//創建Command對象
SqlCommand cm=new SqlCommand (mysql,cn);
//執行ExecuteReader ()方法
SqlDataReader dr=cm.ExecuteReader ();
if(dr.Read ())
{
args.IsValid =false;//用戶名已被注冊
}
else
{
args.IsValid =true;//用戶名尚未被注冊
}
//關閉連接
cn.Close();
}
}
}
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