register.aspx.cs

asp做的新闻系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace Web.User
{
	/// <summary>
	/// Register 的摘要说明。
	/// </summary>
	public class Register : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TxtPwd;
		protected System.Web.UI.WebControls.TextBox TxtUserName;
		protected System.Web.UI.WebControls.TextBox TxtVerifyPwd;
		protected System.Web.UI.WebControls.TextBox TxtTel;
		protected System.Web.UI.WebControls.TextBox TxtAddress;
		protected System.Web.UI.WebControls.Button BtnOK;
		protected System.Web.UI.WebControls.TextBox TxtEMail;
		protected System.Web.UI.WebControls.Button BtnCancel;

		DataAccess.DataAccess Das = new DataAccess.DataAccess();
		protected System.Web.UI.WebControls.Button BtnExit;
		Common.Common Cmon = new Common.Common();
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			BtnOK.Attributes.Add("onclick","javascript:return CheckInput();");			
			BtnExit.Attributes.Add("onclick","javascript:return Close();");

			if(!IsPostBack)
			{
				try
				{
					if(Request["Flag"].ToString() == "1")
					{
						string strSql;
						strSql = "select * from users where username='" + Session["UserName"].ToString() + "'";

						OleDbDataReader read = Das.GetDataReader(strSql);
						if(read.Read())
						{
							TxtUserName.Enabled = false;
							TxtUserName.Text = read[0].ToString();
							TxtPwd.Text = "";
							TxtVerifyPwd.Text = "";
							TxtTel.Text = read[2].ToString();
							TxtEMail.Text = read[3].ToString();
							TxtAddress.Text = read[4].ToString();
						}
					}
				}
				catch
				{
				}
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.BtnOK.Click += new System.EventHandler(this.BtnOK_Click);
			this.BtnCancel.Click += new System.EventHandler(this.BtnCancel_Click);
			this.BtnExit.Click += new System.EventHandler(this.BtnExit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void BtnOK_Click(object sender, System.EventArgs e)
		{
			string strUserName,strPwd,strTel,strEMail,strAddress,strSql;
			
			strUserName = TxtUserName.Text.Trim();
			strPwd = TxtPwd.Text.Trim();
			strTel = TxtTel.Text.Trim();
			strEMail = TxtEMail.Text.Trim();
			strAddress = TxtAddress.Text.Trim();
			strSql = "";

			if(Request["Flag"].ToString() == "1")
			{
				strSql = "update users set " 
					+ " pwd = '" + strPwd + "',"
					+ " tel = '" + strTel + "',"
					+ " email = '" + strEMail + "',"
					+ " address = '" + strAddress + "'"
					+ " where username ='" + strUserName + "'";
			}
			else
			{
				if(Cmon.IdIfExist(TxtUserName.Text.Trim(),"username","users"))
					Response.Write("<script language='javascript'>alert('此用户名已经存在，请重新输入！');</script>");
				else
					strSql = "insert into users(username,pwd,tel,email,address) values('" 
						+ strUserName + "','"
						+ strPwd + "','"
						+ strTel + "','"
						+ strEMail + "','"
						+ strAddress + "')";
			}

			if(strSql != "")
			{
				if(Das.ExecSql(strSql))
				{
					if(Request["Flag"].ToString() == "1")
					{
						Response.Write("<script language='javascript'>alert('保存成功！');</script>");
						Response.Write("<script language='javascript'>window.close();</script>");
					}
					else
					{
						Response.Write("<script language='javascript'>alert('恭喜您注册成功！');</script>");
						Clear();
					}
				}
				else
				{
					if(Request["Flag"].ToString() == "1")
						Response.Write("<script language='javascript'>alert('保存不成功，请重新保存！');</script>");
					else
						Response.Write("<script language='javascript'>alert('注册不成功，请重新注册！');</script>");
				}		

			}
		}

		private void BtnCancel_Click(object sender, System.EventArgs e)
		{
			Clear();
		}

		private void Clear()
		{
			TxtUserName.Text = "";
			TxtPwd.Text = "";
			TxtVerifyPwd.Text = "";
			TxtTel.Text = "";
			TxtEMail.Text = "";
			TxtAddress.Text = "";
		}

		private void BtnExit_Click(object sender, System.EventArgs e)
		{
		
		}
	}
}