📄 key.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.Data.SqlClient;
using System.Configuration;
namespace WebApplication8.company
{
/// <summary>
/// Summary description for usercenter3.
/// </summary>
public class key : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.Label Label2;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected SqlConnection conn;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
protected System.Web.UI.WebControls.RangeValidator RangeValidator1;
protected string descrip;
protected int price;
private void Page_Load(object sender, System.EventArgs e)
{
if(Session["type"] == null || !Session["type"].Equals("企业"))
Response.Redirect("../login.aspx");
conn = new SqlConnection(Application["market"].ToString());
WebApplication8.firstPage.Connection cn = new WebApplication8.firstPage.Connection(Application["market"].ToString());
try
{
SqlDataReader reader = cn.execute("select * from Site where studentNO = '" + Session["studentNO"] + "'");
if( reader.Read() )
{
Label1.Text = reader["description"].ToString();
Label2.Text = reader["price"].ToString();
descrip = reader["description"].ToString();
price = Convert.ToInt32(reader["price"]);
Bind();
}
else
{
Response.Redirect("siteReg.aspx");
}
}
catch( Exception E)
{
}
// Put user code to initialize the page here
}
public void Bind()
{
SqlDataAdapter myCommand = new SqlDataAdapter("select Site.description,Company.comName,Site.price from Site join Company on Site.studentNO = Company.studentNO where Site.description ='"+descrip+"'", conn);
DataSet ds = new DataSet();
myCommand.Fill(ds);
DataGrid1.DataSource= ds;
DataGrid1.DataBind();
conn.Close();
}
public void DataGrid1_PageIndexChanged(Object source, DataGridPageChangedEventArgs e)
{
DataGrid1.CurrentPageIndex = e.NewPageIndex;
Bind();
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
try
{
WebApplication8.firstPage.Connection cn = new WebApplication8.firstPage.Connection(Application["market"].ToString());
int input = Convert.ToInt32(TextBox1.Text);
SqlDataReader reader = cn.execute("update Site set price = " + (price+input) + " where studentNO = '" + Session["studentNO"]
+ "' and description = '" + descrip + "'");
reader.Close();
reader = cn.execute("insert into AccountRecord (createTime,description,IO,money,studentNO) values ('" +
System.DateTime.Today + "','关键字注册','买'," + input + ",'" + Session["studentNO"] + "');");
reader.Close();
reader = cn.execute("select * from Company where studentNO='"+Session["studentNO"]+"'");
if(reader.Read())
{
int account = (int)(new Int32Converter().ConvertFromString(reader["account"].ToString()));
int profit = (Convert.ToInt32(reader["profit"])) - input;
reader.Close();
reader = cn.execute("update Company set account='" +(account-input)+ "',profit = " + profit + "where studentNO='"+Session["studentNO"]+"'");
reader.Close();
}
Response.Write("<script language=javascript>alert('成功购入');this.location.href='key.aspx';</script>");
}
catch( Exception E )
{}
Response.Redirect("key.aspx");
}
}
}
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