这篇文章将为大家详细讲解有关C#怎么实现餐饮管理系统，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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;
/// <summary>
///Dataoperator 的摘要说明
/// </summary>
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
/// </summary>
/// <param name="sql">需要执行的SQL语句</param>
/// <returns>返回布尔值，true表示已经存在，false表示不存在</returns>
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
/// </summary>
/// <param name="sql">需要执行的SQL语句</param>
/// <returns>返回布尔值，true表示已存在，false表示不存在</returns>
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;
/// <summary>
///MessageBox 的摘要说明
/// </summary>
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("<script>alert('"+messageInfo+"')</script>");
}
public static void Show(string messageInfo, string pagePath)
{
HttpContext.Current.Response.Write("<script>alert('"+messageInfo+"');location='"+pagePath+"'</script>");
}
public static void ShowPath(string pagePath)
{
HttpContext.Current.Response.Write("<script>location='" + pagePath + "'</script>");
}
}UserInformation.designer.cs
#pragma warning disable 1591
//------------------------------------------------------------------------------
// <auto-generated>
// 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。
// </auto-generated>
//------------------------------------------------------------------------------
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<int> _菜样编号;
private string _菜名;
private string _菜样图片;
private System.Nullable<int> _份数;
private System.Nullable<int> _菜价;
private System.Nullable<int> _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<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菜样图片Changing(string value);
partial void On菜样图片Changed();
partial void On份数Changing(System.Nullable<int> value);
partial void On份数Changed();
partial void On菜价Changing(System.Nullable<int> value);
partial void On菜价Changed();
partial void On应付金额Changing(System.Nullable<int> 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<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<int> 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<int> 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<int> 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<int> _现在价格;
private System.Nullable<int> _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<int> value);
partial void On现在价格Changed();
partial void On优惠价格Changing(System.Nullable<int> 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<int> 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<int> 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 1591C#是一个简单、通用、面向对象的编程语言，它由微软Microsoft开发，继承了C和C++强大功能，并且去掉了一些它们的复杂特性，C#综合了VB简单的可视化操作和C++的高运行效率，以其强大的操作能力、优雅的语法风格、创新的语言特性和便捷的面向组件编程从而成为.NET开发的首选语言，但它不适用于编写时间急迫或性能非常高的代码，因为C#缺乏性能极高的应用程序所需要的关键功能。
关于“C#怎么实现餐饮管理系统”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，使各位可以学到更多知识，如果觉得文章不错，请把它分享出去让更多的人看到。
免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
