C#实现餐饮管理系统完整版

完整版的C#餐饮管理系统，供大家一起共同分享学习。

部分代码：

Dataoperator.cs

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

/// 
///Dataoperator 的摘要说明
/// 
public class Dataoperator
{
 public Dataoperator()
 {
 //
 //TODO: 在此处添加构造函数逻辑
 //
 }
  public static SqlConnection creatcon()
  {
    string strcon = ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionString;

    SqlConnection con = new SqlConnection(strcon);
    return con;
  }
/// 查询的数据是否已经存在
  /// 
  /// 需要执行的SQL语句
  /// 返回布尔值，true表示已经存在，false表示不存在
  public static bool isData(string sql)
  {
    //创建数据库连接
    SqlConnection con = creatcon();
    //打开数据库连接
    con.Open();
    //创建Command对象
    SqlCommand com = new SqlCommand(sql, con);
    //获取ExecuteScalar方法所返回的值
    int ex = Convert.ToInt32(com.ExecuteScalar());
    //关闭数据库连接
    con.Close();
    //判断整型变量并返回相应的布尔值
    if (ex > 0)
    {
      return true;
    }
    else
    {
      return false;
    }


  }
  /// 执行数据库中的更新、插入、删除操作
  /// 
  /// 需要执行的SQL语句
  /// 返回布尔值，true表示已存在，false表示不存在
  public static bool exSql(string sql)
  {
    SqlConnection con = creatcon();
    con.Open();
    SqlCommand com = new SqlCommand(sql, con);
    int rows = Convert.ToInt32(com.ExecuteNonQuery());
    if (rows > 0)
      return true;
    else
      return false;


  }
  public static string getTier(string sql) //返回指定列的值
  {
    //SqlConnection con = creatcon()
    //con.Open();
    //SqlCommand cmd = new SqlCommand(sql, con);
    ////获得记录行
    //SqlDataReader sdr = cmd.ExecuteReader();
    //sdr.Read();
    //string str = sdr[0].ToString();
    //con.Close();
    //return str;
    SqlConnection con = creatcon();
    SqlDataAdapter sda = new SqlDataAdapter(sql, con);
    DataSet ds = new DataSet();
    sda.Fill(ds);
    string str = ds.Tables[0].Rows[0][0].ToString();
    return str;
  }

  public static DataSet getRows(string sql)  //返回所查询表中所有数据
  {

    //创建数据库连接
    SqlConnection con = creatcon();
    //打开数据连接
    //创建DataAdapter对象
    SqlDataAdapter sda = new SqlDataAdapter(sql, con);
    //创建DataSet对象
    DataSet ds = new DataSet();
    //通过Fill方法
    sda.Fill(ds);
    //关闭数据库连接
    //返回DataSet对象
    return ds;


  }
   
}

MessageBox.cs

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

/// 
///MessageBox 的摘要说明
/// 
public class MessageBox
{
 public MessageBox()
 {
 //
 //TODO: 在此处添加构造函数逻辑
 //
 }
  public static void Show(string messageInfo)
  {
    HttpContext.Current.Response.Write("");
  }
  public static void Show(string messageInfo, string pagePath)
  {
    HttpContext.Current.Response.Write("");
  }
  public static void ShowPath(string pagePath)
  {
    HttpContext.Current.Response.Write("");
  }
}

UserInformation.designer.cs

#pragma warning disable 1591
//------------------------------------------------------------------------------
// 
//   此代码由工具生成。
//   运行库版本:2.0.50727.1891
//
//   对此文件的更改可能会导致不正确的行为，并且如果
//   重新生成代码，这些更改将会丢失。
// 
//------------------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Linq;
using System.Data.Linq.Mapping;
using System.Linq;
using System.Linq.expressions;
using System.Reflection;


[System.Data.Linq.Mapping.DatabaseAttribute(Name="MenuLinq")]
public partial class UserInformationDataContext : System.Data.Linq.DataContext
{
 
 private static System.Data.Linq.Mapping.MappingSource mappingSource = new AttributeMappingSource();
 
 #region Extensibility Method Definitions
 partial void onCreated();
 partial void Insert用户信息(用户信息 instance);
 partial void Update用户信息(用户信息 instance);
 partial void Delete用户信息(用户信息 instance);
 partial void Insert订餐信息(订餐信息 instance);
 partial void Update订餐信息(订餐信息 instance);
 partial void Delete订餐信息(订餐信息 instance);
 partial void Insert菜样信息(菜样信息 instance);
 partial void Update菜样信息(菜样信息 instance);
 partial void Delete菜样信息(菜样信息 instance);
 #endregion
 
 public UserInformationDataContext() : 
  base(global::System.Configuration.ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionString, mappingSource)
 {
 onCreated();
 }
 
 public UserInformationDataContext(string connection) : 
  base(connection, mappingSource)
 {
 onCreated();
 }
 
 public UserInformationDataContext(System.Data.IDbConnection connection) : 
  base(connection, mappingSource)
 {
 onCreated();
 }
 
 public UserInformationDataContext(string connection, System.Data.Linq.Mapping.MappingSource mappingSource) : 
  base(connection, mappingSource)
 {
 onCreated();
 }
 
 public UserInformationDataContext(System.Data.IDbConnection connection, System.Data.Linq.Mapping.MappingSource mappingSource) : 
  base(connection, mappingSource)
 {
 onCreated();
 }
 
 public System.Data.Linq.Table<用户信息> 用户信息
 {
 get
 {
  return this.GetTable<用户信息>();
 }
 }
 
 public System.Data.Linq.Table<订餐信息> 订餐信息
 {
 get
 {
  return this.GetTable<订餐信息>();
 }
 }
 
 public System.Data.Linq.Table<菜样信息> 菜样信息
 {
 get
 {
  return this.GetTable<菜样信息>();
 }
 }
}

[Table(Name="dbo.用户信息")]
public partial class 用户信息 : INotifyPropertyChanging, INotifyPropertyChanged
{
 
 private static PropertyChangingEventArgs emptyChangingEventArgs = new PropertyChangingEventArgs(String.Empty);
 
 private int _序号;
 
 private string _用户名;
 
 private string _用户密码;
 
 private string _邮箱;
 
 private string _住址;
 
 private string _手机号;
 
  #region Extensibility Method Definitions
  partial void onLoaded();
  partial void onValidate(System.Data.Linq.ChangeAction action);
  partial void onCreated();
  partial void On序号Changing(int value);
  partial void On序号Changed();
  partial void On用户名Changing(string value);
  partial void On用户名Changed();
  partial void On用户密码Changing(string value);
  partial void On用户密码Changed();
  partial void On邮箱Changing(string value);
  partial void On邮箱Changed();
  partial void On住址Changing(string value);
  partial void On住址Changed();
  partial void On手机号Changing(string value);
  partial void On手机号Changed();
  #endregion
 
 public 用户信息()
 {
 onCreated();
 }
 
 [Column(Storage="_序号", AutoSync=AutoSync.OnInsert, DbType="Int NOT NULL IDENTITY", IsPrimaryKey=true, IsDbGenerated=true)]
 public int 序号
 {
 get
 {
  return this._序号;
 }
 set
 {
  if ((this._序号 != value))
  {
  this.On序号Changing(value);
  this.SendPropertyChanging();
  this._序号 = value;
  this.SendPropertyChanged("序号");
  this.On序号Changed();
  }
 }
 }
 
 [Column(Storage="_用户名", DbType="NChar(10)")]
 public string 用户名
 {
 get
 {
  return this._用户名;
 }
 set
 {
  if ((this._用户名 != value))
  {
  this.On用户名Changing(value);
  this.SendPropertyChanging();
  this._用户名 = value;
  this.SendPropertyChanged("用户名");
  this.On用户名Changed();
  }
 }
 }
 
 [Column(Storage="_用户密码", DbType="VarChar(50)")]
 public string 用户密码
 {
 get
 {
  return this._用户密码;
 }
 set
 {
  if ((this._用户密码 != value))
  {
  this.On用户密码Changing(value);
  this.SendPropertyChanging();
  this._用户密码 = value;
  this.SendPropertyChanged("用户密码");
  this.On用户密码Changed();
  }
 }
 }
 
 [Column(Storage="_邮箱", DbType="VarChar(50)")]
 public string 邮箱
 {
 get
 {
  return this._邮箱;
 }
 set
 {
  if ((this._邮箱 != value))
  {
  this.On邮箱Changing(value);
  this.SendPropertyChanging();
  this._邮箱 = value;
  this.SendPropertyChanged("邮箱");
  this.On邮箱Changed();
  }
 }
 }
 
 [Column(Storage="_住址", DbType="VarChar(50)")]
 public string 住址
 {
 get
 {
  return this._住址;
 }
 set
 {
  if ((this._住址 != value))
  {
  this.On住址Changing(value);
  this.SendPropertyChanging();
  this._住址 = value;
  this.SendPropertyChanged("住址");
  this.On住址Changed();
  }
 }
 }
 
 [Column(Storage="_手机号", DbType="VarChar(50)")]
 public string 手机号
 {
 get
 {
  return this._手机号;
 }
 set
 {
  if ((this._手机号 != value))
  {
  this.On手机号Changing(value);
  this.SendPropertyChanging();
  this._手机号 = value;
  this.SendPropertyChanged("手机号");
  this.On手机号Changed();
  }
 }
 }
 
 public event PropertyChangingEventHandler PropertyChanging;
 
 public event PropertyChangedEventHandler PropertyChanged;
 
 protected virtual void SendPropertyChanging()
 {
 if ((this.PropertyChanging != null))
 {
  this.PropertyChanging(this, emptyChangingEventArgs);
 }
 }
 
 protected virtual void SendPropertyChanged(String propertyName)
 {
 if ((this.PropertyChanged != null))
 {
  this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
 }
 }
}

[Table(Name="dbo.订餐信息")]
public partial class 订餐信息 : INotifyPropertyChanging, INotifyPropertyChanged
{
 
 private static PropertyChangingEventArgs emptyChangingEventArgs = new PropertyChangingEventArgs(String.Empty);
 
 private int _序号;
 
 private System.Nullable _菜样编号;
 
 private string _菜名;
 
 private string _菜样图片;
 
 private System.Nullable _份数;
 
 private System.Nullable _菜价;
 
 private System.Nullable _应付金额;
 
 private string _订餐日期;
 
 private string _用户名;
 
  #region Extensibility Method Definitions
  partial void onLoaded();
  partial void onValidate(System.Data.Linq.ChangeAction action);
  partial void onCreated();
  partial void On序号Changing(int value);
  partial void On序号Changed();
  partial void On菜样编号Changing(System.Nullable value);
  partial void On菜样编号Changed();
  partial void On菜名Changing(string value);
  partial void On菜名Changed();
  partial void On菜样图片Changing(string value);
  partial void On菜样图片Changed();
  partial void On份数Changing(System.Nullable value);
  partial void On份数Changed();
  partial void On菜价Changing(System.Nullable value);
  partial void On菜价Changed();
  partial void On应付金额Changing(System.Nullable value);
  partial void On应付金额Changed();
  partial void On订餐日期Changing(string value);
  partial void On订餐日期Changed();
  partial void On用户名Changing(string value);
  partial void On用户名Changed();
  #endregion
 
 public 订餐信息()
 {
 onCreated();
 }
 
 [Column(Storage="_序号", AutoSync=AutoSync.OnInsert, DbType="Int NOT NULL IDENTITY", IsPrimaryKey=true, IsDbGenerated=true)]
 public int 序号
 {
 get
 {
  return this._序号;
 }
 set
 {
  if ((this._序号 != value))
  {
  this.On序号Changing(value);
  this.SendPropertyChanging();
  this._序号 = value;
  this.SendPropertyChanged("序号");
  this.On序号Changed();
  }
 }
 }
 
 [Column(Storage="_菜样编号", DbType="Int")]
 public System.Nullable 菜样编号
 {
 get
 {
  return this._菜样编号;
 }
 set
 {
  if ((this._菜样编号 != value))
  {
  this.On菜样编号Changing(value);
  this.SendPropertyChanging();
  this._菜样编号 = value;
  this.SendPropertyChanged("菜样编号");
  this.On菜样编号Changed();
  }
 }
 }
 
 [Column(Storage="_菜名", DbType="NChar(10)")]
 public string 菜名
 {
 get
 {
  return this._菜名;
 }
 set
 {
  if ((this._菜名 != value))
  {
  this.On菜名Changing(value);
  this.SendPropertyChanging();
  this._菜名 = value;
  this.SendPropertyChanged("菜名");
  this.On菜名Changed();
  }
 }
 }
 
 [Column(Storage="_菜样图片", DbType="NChar(30)")]
 public string 菜样图片
 {
 get
 {
  return this._菜样图片;
 }
 set
 {
  if ((this._菜样图片 != value))
  {
  this.On菜样图片Changing(value);
  this.SendPropertyChanging();
  this._菜样图片 = value;
  this.SendPropertyChanged("菜样图片");
  this.On菜样图片Changed();
  }
 }
 }
 
 [Column(Storage="_份数", DbType="Int")]
 public System.Nullable 份数
 {
 get
 {
  return this._份数;
 }
 set
 {
  if ((this._份数 != value))
  {
  this.On份数Changing(value);
  this.SendPropertyChanging();
  this._份数 = value;
  this.SendPropertyChanged("份数");
  this.On份数Changed();
  }
 }
 }
 
 [Column(Storage="_菜价", DbType="Int")]
 public System.Nullable 菜价
 {
 get
 {
  return this._菜价;
 }
 set
 {
  if ((this._菜价 != value))
  {
  this.On菜价Changing(value);
  this.SendPropertyChanging();
  this._菜价 = value;
  this.SendPropertyChanged("菜价");
  this.On菜价Changed();
  }
 }
 }
 
 [Column(Storage="_应付金额", DbType="Int")]
 public System.Nullable 应付金额
 {
 get
 {
  return this._应付金额;
 }
 set
 {
  if ((this._应付金额 != value))
  {
  this.On应付金额Changing(value);
  this.SendPropertyChanging();
  this._应付金额 = value;
  this.SendPropertyChanged("应付金额");
  this.On应付金额Changed();
  }
 }
 }
 
 [Column(Storage="_订餐日期", DbType="NVarChar(50)")]
 public string 订餐日期
 {
 get
 {
  return this._订餐日期;
 }
 set
 {
  if ((this._订餐日期 != value))
  {
  this.On订餐日期Changing(value);
  this.SendPropertyChanging();
  this._订餐日期 = value;
  this.SendPropertyChanged("订餐日期");
  this.On订餐日期Changed();
  }
 }
 }
 
 [Column(Storage="_用户名", DbType="NChar(15)")]
 public string 用户名
 {
 get
 {
  return this._用户名;
 }
 set
 {
  if ((this._用户名 != value))
  {
  this.On用户名Changing(value);
  this.SendPropertyChanging();
  this._用户名 = value;
  this.SendPropertyChanged("用户名");
  this.On用户名Changed();
  }
 }
 }
 
 public event PropertyChangingEventHandler PropertyChanging;
 
 public event PropertyChangedEventHandler PropertyChanged;
 
 protected virtual void SendPropertyChanging()
 {
 if ((this.PropertyChanging != null))
 {
  this.PropertyChanging(this, emptyChangingEventArgs);
 }
 }
 
 protected virtual void SendPropertyChanged(String propertyName)
 {
 if ((this.PropertyChanged != null))
 {
  this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
 }
 }
}

[Table(Name="dbo.菜样信息")]
public partial class 菜样信息 : INotifyPropertyChanging, INotifyPropertyChanged
{
 
 private static PropertyChangingEventArgs emptyChangingEventArgs = new PropertyChangingEventArgs(String.Empty);
 
 private int _序号;
 
 private int _菜样编号;
 
 private string _菜名;
 
 private string _菜样类型;
 
 private string _菜样图片;
 
 private string _厨师;
 
 private System.Nullable _现在价格;
 
 private System.Nullable _优惠价格;
 
 private string _创菜时间;
 
  #region Extensibility Method Definitions
  partial void onLoaded();
  partial void onValidate(System.Data.Linq.ChangeAction action);
  partial void onCreated();
  partial void On序号Changing(int value);
  partial void On序号Changed();
  partial void On菜样编号Changing(int value);
  partial void On菜样编号Changed();
  partial void On菜名Changing(string value);
  partial void On菜名Changed();
  partial void On菜样类型Changing(string value);
  partial void On菜样类型Changed();
  partial void On菜样图片Changing(string value);
  partial void On菜样图片Changed();
  partial void On厨师Changing(string value);
  partial void On厨师Changed();
  partial void On现在价格Changing(System.Nullable value);
  partial void On现在价格Changed();
  partial void On优惠价格Changing(System.Nullable value);
  partial void On优惠价格Changed();
  partial void On创菜时间Changing(string value);
  partial void On创菜时间Changed();
  #endregion
 
 public 菜样信息()
 {
 onCreated();
 }
 
 [Column(Storage="_序号", AutoSync=AutoSync.OnInsert, DbType="Int NOT NULL IDENTITY", IsPrimaryKey=true, IsDbGenerated=true)]
 public int 序号
 {
 get
 {
  return this._序号;
 }
 set
 {
  if ((this._序号 != value))
  {
  this.On序号Changing(value);
  this.SendPropertyChanging();
  this._序号 = value;
  this.SendPropertyChanged("序号");
  this.On序号Changed();
  }
 }
 }
 
 [Column(Storage="_菜样编号", DbType="Int NOT NULL")]
 public int 菜样编号
 {
 get
 {
  return this._菜样编号;
 }
 set
 {
  if ((this._菜样编号 != value))
  {
  this.On菜样编号Changing(value);
  this.SendPropertyChanging();
  this._菜样编号 = value;
  this.SendPropertyChanged("菜样编号");
  this.On菜样编号Changed();
  }
 }
 }
 
 [Column(Storage="_菜名", DbType="NChar(10)")]
 public string 菜名
 {
 get
 {
  return this._菜名;
 }
 set
 {
  if ((this._菜名 != value))
  {
  this.On菜名Changing(value);
  this.SendPropertyChanging();
  this._菜名 = value;
  this.SendPropertyChanged("菜名");
  this.On菜名Changed();
  }
 }
 }
 
 [Column(Storage="_菜样类型", DbType="NChar(10)")]
 public string 菜样类型
 {
 get
 {
  return this._菜样类型;
 }
 set
 {
  if ((this._菜样类型 != value))
  {
  this.On菜样类型Changing(value);
  this.SendPropertyChanging();
  this._菜样类型 = value;
  this.SendPropertyChanged("菜样类型");
  this.On菜样类型Changed();
  }
 }
 }
 
 [Column(Storage="_菜样图片", DbType="NVarChar(50)")]
 public string 菜样图片
 {
 get
 {
  return this._菜样图片;
 }
 set
 {
  if ((this._菜样图片 != value))
  {
  this.On菜样图片Changing(value);
  this.SendPropertyChanging();
  this._菜样图片 = value;
  this.SendPropertyChanged("菜样图片");
  this.On菜样图片Changed();
  }
 }
 }
 
 [Column(Storage="_厨师", DbType="NChar(15)")]
 public string 厨师
 {
 get
 {
  return this._厨师;
 }
 set
 {
  if ((this._厨师 != value))
  {
  this.On厨师Changing(value);
  this.SendPropertyChanging();
  this._厨师 = value;
  this.SendPropertyChanged("厨师");
  this.On厨师Changed();
  }
 }
 }
 
 [Column(Storage="_现在价格", DbType="Int")]
 public System.Nullable 现在价格
 {
 get
 {
  return this._现在价格;
 }
 set
 {
  if ((this._现在价格 != value))
  {
  this.On现在价格Changing(value);
  this.SendPropertyChanging();
  this._现在价格 = value;
  this.SendPropertyChanged("现在价格");
  this.On现在价格Changed();
  }
 }
 }
 
 [Column(Storage="_优惠价格", DbType="Int")]
 public System.Nullable 优惠价格
 {
 get
 {
  return this._优惠价格;
 }
 set
 {
  if ((this._优惠价格 != value))
  {
  this.On优惠价格Changing(value);
  this.SendPropertyChanging();
  this._优惠价格 = value;
  this.SendPropertyChanged("优惠价格");
  this.On优惠价格Changed();
  }
 }
 }
 
 [Column(Storage="_创菜时间", DbType="NChar(20)")]
 public string 创菜时间
 {
 get
 {
  return this._创菜时间;
 }
 set
 {
  if ((this._创菜时间 != value))
  {
  this.On创菜时间Changing(value);
  this.SendPropertyChanging();
  this._创菜时间 = value;
  this.SendPropertyChanged("创菜时间");
  this.On创菜时间Changed();
  }
 }
 }
 
 public event PropertyChangingEventHandler PropertyChanging;
 
 public event PropertyChangedEventHandler PropertyChanged;
 
 protected virtual void SendPropertyChanging()
 {
 if ((this.PropertyChanging != null))
 {
  this.PropertyChanging(this, emptyChangingEventArgs);
 }
 }
 
 protected virtual void SendPropertyChanged(String propertyName)
 {
 if ((this.PropertyChanged != null))
 {
  this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
 }
 }
}
#pragma warning restore 1591

源码下载：C#实现餐饮管理系统

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