超市收银系统(流程图+摘要+任务书+开题报告+ER图+源程序) 第14页
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace SuperDesign
{
public partial class AdminManag : Form
{
public AdminManag()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
User manageU = new User();
manageU.Show();
}
private void button6_Click(object sender, EventArgs e)
{
member mem = new member();
mem.Show();
}
private void button4_Click(object sender, EventArgs e)
{
}
private void button5_Click(object sender, EventArgs e)
{
ProductMange proManage = new ProductMange();
proManage.Show();
}
}
}
using System;
/************************************************************************************
* 作 者： 王 X
* 创建日期：20XX.05.01
* 描 述：用户修改密码
* 名 称：密码更改
* *****************************************************************************/
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Data.Sql;
using System.Data.SqlServerCe;
namespace SuperDesign
{
public partial class Alter : Form
{
public Alter()
{
InitializeComponent();
}
private void conform_Click(object sender, EventArgs e)
{
UpdateData();
}
public void UpdateData()
{
int userid = int.Parse(this.userid.Text);
string username = this.username.Text;
int oldpassword = int.Parse(this.oldpwd.Text);
int newpassword = int.Parse(this.newpwd.Text);
string updateUser = "UPDATE [user] SET username = '" + username + "'," +
"password = " + newpassword + " WHERE (userid = " + userid + ")";
string connectionString =
@"Data Source=|DataDirectory|\SuperMarket.sdf;Password=123456";
using (System.Data.SqlServerCe.SqlCeConnection conn = new System.Data.SqlServerCe.SqlCeConnection(connectionString))
{
SqlCeCommand command = new SqlCeCommand(updateUser, conn);
conn.Open();
int rowReturn = command.ExecuteNonQuery();
Console.WriteLine(rowReturn +"");
flaglable.Text = "Update OK";
}
}
private void cansle_Click(object sender, EventArgs e)
{
this.Close();
}
}
}
/************************************************************************
* 作 者： 王 X
* 创建日期：20XX.05.01
* 描 述：管理员对商品信息的修改
* 名 称：商品调整
* ********************************************************************************/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Data.Sql;
using System.Data.SqlServerCe;
namespace SuperDesign
{
public partial class AterProduct : Form
{
public AterProduct()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
int productid = int.Parse(this.productid.Text);
string productname = this.productname.Text;
string unit = this.unit.Text;
int number = int.Parse(this.number.Text);
float priceperunit = float.Parse(this.priceperunit.Text);
float total = float.Parse(this.total.Text);
string updateUser = @"UPDATE Product SET productname = '" + productname + "', unit = '" + unit +
"', priceperunit = " + priceperunit + ", number = " + number + ", total = " + total + " WHERE (productid = " + productid + ")";