购物车代码
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 checkOut : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
try
{
if (Session["UserName"] == null)
{
Response.Write("<script>alert('您还没有登陆,请登录!');location='login.aspx'</script> ");
}
else
{
if (Session["bus"] == null)
{
Response.Write("<script>alert('您的购物车中还没有物品!无需结账!请继续购物!');location='Default.aspx'</script> ");
}
else
{
if (!IsPostBack)
{
updata();
}
}
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
private void updata()
{
try
{
Label1.Text = Session["UserName"].ToString();
DataTable dt = new DataTable();
dt.Columns.Add("PName");
dt.Columns.Add("ProductId");
dt.Columns.Add("PMemberPrice");
dt.Columns.Add("PNumber");
dt.Columns.Add("sum");
double dSum = 0;
if (Session["bus"] != null)
{
System.Collections.Hashtable ht = (Hashtable)Session["bus"];
IDictionaryEnumerator idic = ht.GetEnumerator();
DataRow dr;
while (idic.MoveNext())
{
dr = dt.NewRow();
SqlConnection cn = db.creatconn();
cn.Open();
SqlDataAdapter sda = new SqlDataAdapter("select PName,ProductId,PMemberPrice from Product where ProductId=" + idic.Key.ToString(), cn);
DataSet ds = new DataSet();
sda.Fill(ds, "Product");
dr["PName"] = ds.Tables[0].Rows[0].ItemArray[0].ToString();
dr["ProductId"] = ds.Tables[0].Rows[0].ItemArray[1].ToString();
dr["PMemberPrice"] = ds.Tables[0].Rows[0].ItemArray[2].ToString();
dr["PNumber"] = idic.Value.ToString();
dr["sum"] = double.Parse(dr["PMemberPrice"].ToString()) * int.Parse(dr["PNumber"].ToString());
dSum += double.Parse(dr["PMemberPrice"].ToString()) * int.Parse(dr["PNumber"].ToString());
dt.Rows.Add(dr);
}
}
GridView1.DataSource = dt.DefaultView;
GridView1.DataKeyNames = new string[] { "ProductId"};
GridView1.DataBind();
Label1.Text = Session["UserName"].ToString();
Label2.Text = "合计:" + dSum.ToString() + " 元";
showusers();
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
private void showusers()
{
try
{
SqlConnection cn1 = db.creatconn();
cn1.Open();
SqlDataAdapter sda1 = new SqlDataAdapter("select Name,Email,Phone,Post,Address from Users where UserName='" + Session["UserName"].ToString() + "'", cn1);
DataSet ds1 = new DataSet();
sda1.Fill(ds1, "Users");
DataRow dr1 = ds1.Tables[0].Rows[0];
TextBox1.Text = dr1.ItemArray[0].ToString();
TextBox2.Text = dr1.ItemArray[1].ToString();
TextBox3.Text = dr1.ItemArray[2].ToString();
TextBox4.Text = dr1.ItemArray[3].ToString();
TextBox5.Text = dr1.ItemArray[4].ToString();
cn1.Close();
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
protected void Button1_Click(object sender, EventArgs e)
{
try
{
SqlConnection cn = db.creatconn();
cn.Open();
SqlCommand cmd1 = new SqlCommand("select UserId from Users where UserName='" + Session["UserName"].ToString() + "'", cn);
SqlCommand cmd = new SqlCommand("insert into Orders(UserId,OrderDate,LinkMan,Email,Phone,PostalCode,Address,ReMark,SongHuoQixian,SongHuoFangShi,FuKuanFangShi,YiWaiChuLi) values(@UserId,@OrderDate,@LinkMan,@Email,@Phone,@PostalCode,@Address,@ReMark,@SongHuoQixian,@SongHuoFangShi,@FuKuanFangShi,@YiWaiChuLi)", cn);
SqlParameter para = new SqlParameter("@UserId", SqlDbType.Int);
para.Value = cmd1.ExecuteScalar();
cmd.Parameters.Add(para);
para = new SqlParameter("@OrderDate", SqlDbType.DateTime);
para.Value = DateTime.Now.ToLocalTime();
cmd.Parameters.Add(para);
para = new SqlParameter("@LinkMan", SqlDbType.NVarChar, 50);
para.Value = TextBox1.Text;
cmd.Parameters.Add(para);
para = new SqlParameter("@Email", SqlDbType.NVarChar, 80);
para.Value = TextBox2.Text;
cmd.Parameters.Add(para);
para = new SqlParameter("@Phone", SqlDbType.NVarChar, 50);
para.Value = TextBox3.Text;
cmd.Parameters.Add(para);
para = new SqlParameter("@PostalCode", SqlDbType.NVarChar, 50);
para.Value = TextBox4.Text;
cmd.Parameters.Add(para);
para = new SqlParameter("@Address", SqlDbType.NVarChar, 255);
para.Value = TextBox5.Text;
cmd.Parameters.Add(para);
para = new SqlParameter("@ReMark", SqlDbType.NVarChar);
para.Value = TextBox6.Text;
cmd.Parameters.Add(para);
para = new SqlParameter("@SongHuoQixian", SqlDbType.NVarChar, 50);
para.Value = DropDownList1.SelectedItem.ToString();
cmd.Parameters.Add(para);
para = new SqlParameter("@SongHuoFangShi", SqlDbType.NVarChar, 50);
para.Value = DropDownList2.SelectedItem.ToString();
cmd.Parameters.Add(para);
para = new SqlParameter("@FuKuanFangShi", SqlDbType.NVarChar, 50);
para.Value = DropDownList3.SelectedItem.ToString();
cmd.Parameters.Add(para);
para = new SqlParameter("@YiWaiChuLi", SqlDbType.NVarChar, 255);
para.Value = RadioButtonList1.SelectedItem.ToString();
cmd.Parameters.Add(para);
cmd.ExecuteNonQuery();
//这段代码是诸位高手要修改或重写的代码(
SqlCommand cmdx = new SqlCommand("select top 1 OrderId from Orders order by OrderId desc",cn);
string top1Id = cmdx.ExecuteScalar().ToString();
string[] asqls=new string [GridView1.Rows.Count];
for (int i = 0; i < GridView1.Rows.Count; i++)
{
SqlCommand cmdy = new SqlCommand("insert into OrdersDetail (OrderId,ProductId,Quantity,UnitCost,ProductName) values ('" + top1Id + "','" +GridView1.Rows[i].RowIndex.ToString() + "','" + ((Label)GridView1.Rows[i].FindControl("PNumber")).Text + "','" + ((Label)GridView1.Rows[i].FindControl("PMemberPrice")).Text + "','" + ((Label)GridView1.Rows[i].FindControl("PName")).Text + "'",cn);
cmdy.ExecuteNonQuery();
}
)
Response.Write("<script>alert('订单提交成功!')</script>");
Panel1.Visible = false;
SqlCommand kcmd = new SqlCommand("select top 1 OrderId from Orders order by OrderId desc",cn);
Label4.Visible = true;
Label4.Text = Convert.ToString("您的订单编号是:" + kcmd.ExecuteScalar());
cn.Close();
baseclass email = new baseclass();
email.sendemail(TextBox2.Text, "您在asp.net电子商务购物网站的订单提交成功!"+Label4.Text, TextBox1.Text + "您好!这是您在asp.net电子商务购物网站的购物清单!");
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
}
//http://hi.baidu.com/tieniu116/blog