car_usernewsset.aspx.cs

这个是用C#做底层开发车辆管理系统

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.Data.SqlClient;
namespace car1
{
	/// <summary>
	/// car_usernewsset 的摘要说明。
	/// </summary>
	public class car_usernewsset : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox TextBox3;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.TextBox TextBox4;
		protected System.Web.UI.WebControls.TextBox TextBox5;
		protected System.Web.UI.WebControls.TextBox TextBox6;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!Page.IsPostBack)
			{
			string S_id=Request["id"];
				this.DropDownList1.Items.Add("男");
				this.DropDownList1.Items.Add("女");
				string SqlConn=System.Configuration.ConfigurationSettings.AppSettings["ConnString"];
				SqlConnection Conn=new SqlConnection(SqlConn);
				Conn.Open();
				string SqlStr1="select car_username,car_userfrom,car_userbirth,car_userjl,car_user_car,car_userbeizhu from caruser where id='"+S_id+"'";
				SqlCommand Comm=new SqlCommand(SqlStr1,Conn);
				SqlDataReader read1=Comm.ExecuteReader();
				read1.Read();
				
				this.TextBox1.Text=read1["car_username"].ToString();
					
					this.TextBox2.Text=read1["car_userfrom"].ToString();
					this.TextBox3.Text=read1["car_userbirth"].ToString();
					this.TextBox4.Text=read1["car_userjl"].ToString();
					this.TextBox5.Text=read1["car_user_car"].ToString();
					this.TextBox6.Text=read1["car_userbeizhu"].ToString();
				read1.Close();
				Conn.Close();
			}// 在此处放置用户代码以初始化页面
		}

		#region Web 窗体设计器生成的代码
		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.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button2_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("car_usernews.aspx");
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string U_id=Request["id"].ToString();
			string SqlConn=System.Configuration.ConfigurationSettings.AppSettings["ConnString"];
			SqlConnection Conn=new SqlConnection(SqlConn);
			Conn.Open();
			string SqlStr1="update caruser set car_username='"+this.TextBox1.Text+"',car_usersex='"+this.DropDownList1.SelectedValue+"',car_userfrom='"+this.TextBox2.Text+"',car_userbirth='"+this.TextBox3.Text+"',car_userjl='"+this.TextBox4.Text+"',car_user_car='"+this.TextBox5.Text+"',car_userbeizhu='"+this.TextBox6.Text+"' where id='"+U_id+"'";
			SqlCommand Comm=new SqlCommand(SqlStr1,Conn);
			Comm.ExecuteReader();
			Response.Write("<script language='javascript'>alert('修改成功！');</script>");
			Response.Redirect("car_usernews.aspx");
			Conn.Close();
		}
	}
}