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📄 mysell.aspx.cs

📁 .net环境下开发的,很好哦,这是我门最近做的一个电子商务的作业 实现了很多功能,是典型的C2C模式,很有利用价值,大家下载了多给我提意见
💻 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.Data.SqlClient;
namespace secondhand
{
	/// <summary>
	/// mybook 的摘要说明。
	/// </summary>
	public class mybook : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.ImageButton ImageButton1;
		protected System.Web.UI.WebControls.ImageButton ImageButton2;
		protected System.Web.UI.WebControls.ImageButton ImageButton3;
		protected System.Web.UI.WebControls.ImageButton ImageButton4;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.DropDownList DropDownList2;
		protected System.Web.UI.WebControls.RadioButtonList RadioButtonList1;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.DropDownList DropDownList1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.HtmlControls.HtmlInputFile UP_FILE;
		protected System.Web.UI.WebControls.Label Label6;
		protected System.Web.UI.WebControls.TextBox TextBox3;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.ImageButton ImageButton5;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!IsPostBack)
			{
				string ec=System.Configuration.ConfigurationSettings.AppSettings["ec"];
				SqlConnection conn = new SqlConnection(ec);
				conn.Open();
				SqlDataAdapter da=new SqlDataAdapter("SELECT * from category_first", conn );
				DataSet ds=new DataSet();
				da.Fill(ds);
				DropDownList1.DataSource=ds.Tables[0].DefaultView;
				DropDownList1.DataTextField= "catName";
				DropDownList1.DataValueField="catID";
				DropDownList1.DataBind();
				SqlDataAdapter daa=new SqlDataAdapter("SELECT * FROM category_sec "+
					"where cat_ID=(select catid from category_first "+
					"where catname='"+DropDownList1.SelectedItem.ToString()+"')", conn );

				DataSet dss=new DataSet();
				daa.Fill(dss);
				DropDownList2.DataSource=dss.Tables[0].DefaultView;
				DropDownList2.DataTextField= "cat_secName";
				DropDownList2.DataValueField="cat_secID";
				DropDownList2.DataBind();
			}
		}

		#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.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);
			this.ImageButton2.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton2_Click);
			this.ImageButton3.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton3_Click);
			this.ImageButton4.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton4_Click);
			this.ImageButton5.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton5_Click);
			this.DropDownList1.SelectedIndexChanged += new System.EventHandler(this.DropDownList1_SelectedIndexChanged);
			this.RadioButtonList1.SelectedIndexChanged += new System.EventHandler(this.RadioButtonList1_SelectedIndexChanged);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Server.Transfer("default.aspx");
		}

		private void ImageButton2_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Server.Transfer("mybuy.aspx");
		}

		private void ImageButton3_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if( Session["ID"]==null||Session["pwd"]==null)
		 
				Response.Write ("<script>alert(\"请先登陆!\");</script>");
			else
				Server.Transfer("myyigo.aspx");
		
		}

		private void ImageButton4_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if( Session["ID"]==null||Session["pwd"]==null)
		 
				Response.Write ("<script>alert(\"请先登陆!\");</script>");
			else
				Server.Transfer("myyigo.aspx");
			
		}

		private void ImageButton5_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if( Session["ID"]==null||Session["pwd"]==null)
		 
				Response.Write ("<script>alert(\"请先登陆!\");</script>");
			else
				Server.Transfer("myyigo.aspx");
		 
		}

		private void RadioButtonList1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		private void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			string ec=System.Configuration.ConfigurationSettings.AppSettings["ec"];
			Session["catnm"]=DropDownList1.SelectedItem.ToString();
			SqlConnection conn = new SqlConnection(ec);
			conn.Open();
			SqlDataAdapter daa=new SqlDataAdapter("SELECT * FROM category_sec "+
				"where cat_ID=(select catid from category_first "+
				"where catname='"+Session["catnm"]+"')", conn );DataSet dss=new DataSet();
			daa.Fill(dss);
			DropDownList2.DataSource=dss.Tables[0].DefaultView;
			DropDownList2.DataTextField= "cat_secName";
			DropDownList2.DataValueField="cat_secID";
			DropDownList2.DataBind();
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string i="1";
			string l1="1";
			string l2="1";
			
			if(TextBox1.Text=="")
				Response.Write("<script>alert('请输入商品名称')</script>");
			else
				if(TextBox2.Text=="")
				Response.Write("<script>alert('请输入商品价格')</script>");
			else
				if(TextBox3.Text=="")
				Response.Write("<script>alert('请输入商品详细说明')</script>");
			else
				if(UP_FILE.PostedFile.ContentLength==0)
				Response.Write("<script>alert('请选择商品上传照片')</script>");
			else
			{
				string ec=System.Configuration.ConfigurationSettings.AppSettings["ec"];
				SqlConnection conn = new SqlConnection(ec);
				conn.Open();
				SqlCommand cmd1 = 
					new SqlCommand( "select max(commodityID) from commdotyInfo", conn );
				SqlDataReader dr=cmd1.ExecuteReader();
				if(dr.Read ())
				{
					i=dr.GetValue(0).ToString();
				}
				dr.Close();
				SqlCommand cmd2 = 
					new SqlCommand( "select catid from category_first where catname='"+DropDownList1.SelectedItem.ToString()+"'", conn );
				SqlDataReader dr1=cmd2.ExecuteReader();
				if(dr1.Read ())
				{
					l1=dr1.GetValue(0).ToString();
				}
				dr1.Close();
				SqlCommand cmd3 = 
					new SqlCommand( "select cat_secid from category_sec where cat_secname='"+DropDownList2.SelectedItem.ToString()+"' and cat_id=(select catid from category_first where catname='"+DropDownList1.SelectedItem.ToString()+"')", conn );
				SqlDataReader dr2=cmd3.ExecuteReader();
				if(dr2.Read ())
				{
					l2=dr2.GetValue(0).ToString();
				}
				dr2.Close();
				DateTime dt=DateTime.Now;
				DateTime dt1=DateTime.Now.AddMonths(1);
				string s="insert into commdotyInfo(commodityID,USERID,CATID,CAT_SECID,COMNAME,DEAL_AUCTION,date,status,expire_date,introduction,price)"+
					"values('"+i+"'+1,'"+Session["ID"]+"','"+l1+"','"+l2+"','"+TextBox1.Text+"','"+RadioButtonList1.SelectedValue+"','"+dt+"','1','"+dt1+"','"+TextBox3.Text+"','"+TextBox2.Text+"')";
				try
				{
					SqlCommand cmmd=new SqlCommand(s,conn);
					cmmd.ExecuteNonQuery();
					SqlCommand cmd = new SqlCommand( "select commodityID from commdotyInfo where commodityID='"+i+"'+1", conn );
					SqlDataReader drr=cmd.ExecuteReader();
					if(drr.Read ())
					{
						Response.Write("<script>alert('发布成功,照片上传中……')</script>");
						string adr="images/commodity/";
						string myDir=UP_FILE.PostedFile.FileName;
						int mypos=myDir.LastIndexOf("\\");
						string my_FileName=myDir.Substring(mypos+1);  
						string myFileName=myDir.Substring(mypos);  
						int pos=my_FileName.LastIndexOf(".");             
						string FileName=my_FileName.Substring(pos);
						string mySavePath=Server.MapPath("images/commodity/")+drr["commodityID"]+FileName;
						SqlCommand cd=new SqlCommand("update commdotyInfo set img='"+adr+drr["commodityID"]+FileName+"' where commodityID='"+drr["commodityID"]+"'",conn);
						if(FileName.ToString()==".jpg"||FileName.ToString()==".gif")			
						{
							UP_FILE.PostedFile.SaveAs (mySavePath);
							Response.Write("<script>alert('上传成功')</script>");
							string ID=drr["commodityID"].ToString();
							drr.Close();
							cd.ExecuteNonQuery();
							Response.Redirect("detail.aspx?commodityID="+ID+"");
							
						}                               
						else
							Response.Write("<script>alert('请上传jpg或gif格式的文件')</script>");
							
					}
										
				}
				catch(Exception ex)
				{
					Response.Write("<script>alert('"+ex.Message+"发布失败!')</script>");
				}

			}

		
		}
	}
}

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