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使用ASP.NET編寫一個餐飲管理系統？針對這個問題，這篇文章詳細介紹了相對應的分析和解答，希望可以幫助更多想解決這個問題的小伙伴找到更簡單易行的方法。
ASP.NET 是開源，跨平臺，高性能，輕量級的 Web 應用構建框架，常用于通過 HTML、CSS、JavaScript 以及服務器腳本來構建網頁和網站。
menu.aspx
<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="menu.aspx.cs" Inherits="menu" Title="無標題頁" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<form id="form1" runat="server">
< >
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" Height="299px"
Width="544px" AllowPaging="True" PageSize="4">
<PagerSettings FirstPageText="首頁" LastPageText="末頁"
Mode="NextPreviousFirstLast" NextPageText="下一頁" PreviousPageText="上一頁" />
<Columns>
<asp:BoundField DataField="menuID" HeaderText="序號" InsertVisible="False"
ReadOnly="True" SortExpression="menuID" />
<asp:BoundField DataField="menuName" HeaderText="菜名"
SortExpression="menuName" />
<asp:ImageField DataImageUrlField="menuPhoto" HeaderText="圖片"
ControlStyle-Height="30px"
ControlStyle-Width="70px"
SortExpression="menuPhoto" >
<ControlStyle Height="30px" Width="70px"></ControlStyle>
</asp:ImageField>
<asp:BoundField DataField="menuCooker" HeaderText="廚師"
SortExpression="menuCooker" />
<asp:BoundField DataField="menuStyle" HeaderText="菜系"
SortExpression="menuStyle" />
<asp:BoundField DataField="menuPrice" HeaderText="價格"
SortExpression="menuPrice" />
<asp:BoundField DataField="menuDate" HeaderText="創菜日期"
SortExpression="menuDate" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnStr %>"
SelectCommand="SELECT [menuID], [menuName], [menuPhoto], [menuCooker], [menuStyle], [menuPrice], [menuDate] FROM [Menus]">
</asp:SqlDataSource>
</>
</form>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
< >
<asp:DataList ID="DataList1" runat="server" DataSourceID="SqlDataSource2">
<HeaderTemplate >
<table border="1" >
<tr>
<td>圖片</td>
<td>菜名</td>
<td>原價格</td>
<td>優惠價格</td>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td >
<asp:Image ID="Image1" runat="server" Height="88px"
ImageUrl='<%# Eval("menuPhoto") %>' Width="88px" />
</td>
<td >
<asp:Label ID="Label1" runat="server" Text='<%# Eval("menuName") %>'></asp:Label>
</td>
<td >
<asp:Label ID="Label2" runat="server" Text='<%# Eval("menuPrice") %>'></asp:Label>
</td>
<td >
<asp:Label ID="Label3" runat="server" Text='<%# Eval("menuNewPrice") %>'></asp:Label>
</td>
</tr>
</ItemTemplate>
<FooterTemplate></table></FooterTemplate>
</asp:DataList>
<asp:SqlDataSource ID="SqlDataSource2" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnStr %>"
SelectCommand="SELECT [menuName], [menuPhoto], [menuNewPrice], [menuPrice] FROM [Menus] WHERE ([menuNewPrice] IS NOT NULL)">
</asp:SqlDataSource>
</>
</asp:Content>menuCar.aspx
?<%@ Page Language="C#" MasterPageFile="~/Land-zhuce.master" AutoEventWireup="true" CodeFile="menuCar.aspx.cs" Inherits="menuCar" Title="無標題頁" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> <form id="form1" runat="server"> < > <table id="Table1" cellSpacing="1" cellPadding="0" width="530" align="center" border="0"> <TR> <TD align="center"> <asp:label id="Label1" runat="server" Font-Size="X-Large" Font-Names="華文行楷" ForeColor="Blue">訂餐車</asp:label></TD> </TR> <TR> <TD align="center"> <asp:DataList ID="DataList1" runat="server" BorderColor="Tan" BorderWidth="1px" CellPadding="2" ForeColor="Black" DataKeyField="ID" onupdatecommand="DataList1_UpdateCommand" OnDeleteCommand="DataList1_DeleteCommand" AllowPaging="true" PageSize="4" RepeatColumns="4"> <%-- <AlternatingItemStyle BackColor="PaleGoldenrod" /> <SelectedItemStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />--%> <HeaderTemplate> <table border="1" > <tr> <td > 序號</td> <td > 菜名</td> <td > 圖片</td> <td > 付費</td> <td> 份數</td> <td> 保存份數</td> <td> 刪除</td> </tr> </HeaderTemplate> <HeaderStyle BackColor="Tan" Font-Bold="True" /> <ItemTemplate> <tr> <td><%# DataBinder.Eval(Container.DataItem ,"goodID") %></td> <td><%# DataBinder.Eval(Container.DataItem ,"menuName") %></td> <%-- <td><%# DataBinder.Eval(Container.DataItem ,"menuPhoto") %></td>--%> <td><asp:Image ID="Image1" runat="server" Width="60px" Height="40px" ImageUrl='<%# DataBinder.Eval(Container.DataItem ,"menuPhUrl") %>'></asp:Image></td> <td><%# DataBinder.Eval(Container.DataItem ,"payMoney") %></td> <td><asp:TextBox ID="txtCount" runat="server" Width="32px" Text='<%# DataBinder.Eval(Container.DataItem ,"number") %>'></asp:TextBox></td> <td><asp:Button ID="bnMod" runat="server" Text="保存修改" CommandName="Update"></asp:Button></td> <td><asp:Button ID="Button1" runat="server" Text="刪除" CommandName= "Delete"/></td> </tr> </ItemTemplate> <FooterTemplate></table></FooterTemplate> <FooterStyle BackColor="Tan" /> </asp:DataList> </TD> </TR> <TR> <TD align="center" height="40">總金額： <asp:TextBox id="total_money_txt" runat="server" Width="82px"></asp:TextBox> <asp:Button id="shoppingbtn" runat="server" Text="繼續購物" OnClick="shoppingbtn_Click"></asp:Button> <asp:Button id="delallbtn" runat="server" Text="清空購物車" OnClick="delallbtn_Click"></asp:Button> <asp:Button id="orderbtn" runat="server" Text="結算中心" OnClick="orderbtn_Click"></asp:Button></TD> </TR> <TR> <TD align="center"></TD> </TR> <TR> <TD align="center"> </TD> </TR> </table> </> </form> </asp:Content>
menuCar.aspx.cs
?using System;
using System.Collections;
using System.Configuration;
using System.Data;
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;
public partial class menuCar : System.Web.UI.Page
{
String SqlStr;
DB db = new DB();
DataSet Ds = new DataSet();
public void DataListBind()
{
SqlStr = "select * from OrderMenu where customerName='" + Session["UserName"] + "'";
//Ds = db.GetDataTableBySql(SqlStr);
DataSet das = Dataoperator.getRows(SqlStr);
DataList1.DataSource = das;
DataList1.DataBind();
//try
//{
// this.DataList1.DataSource = Ds.Tables[0].DefaultView;
// this.DataList1.DataBind();
//}
//catch (Exception)
//{
// Response.Write("<script>alert('沒有得到數據,請重試！')</script>");
//}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack == false)
{
SqlStr = "select * from OrderMenu";
Ds = db.GetDataTableBySql(SqlStr);
//try
//{
// if (Ds.Tables[0].Rows.Count != 0)//若購物車有此產品則提示用戶
// {
// Response.Write("<script>alert('你已經購買了此產品，只要更改數量就行！')</script>");
// }
// else//若購物車沒有此產品則將此產品的相關信息插入購物車
// {
// Response.Write("沒有！！");
// }
//}
//catch (Exception)
//{
// Response.Write("<script>alert('沒有得到數據，請重試！')</script>");
//}
DataListBind();//綁定數據
//total_money();//計算價格
}
}
protected void shoppingbtn_Click(object sender, EventArgs e)
{
Response.Redirect("orderMainMenu.aspx");
}
protected void delallbtn_Click(object sender, EventArgs e)
{
}
protected void orderbtn_Click(object sender, EventArgs e)
{
Response.Redirect("menuorder.aspx");
}
protected void DataList1_DeleteCommand(object source, DataListCommandEventArgs e)
{
//String book_id = this.DataList1.DataKeys[e.Item.ItemIndex].ToString();
//SqlStr = "delete from 購物車表 where 圖書編號='" + book_id + "'";
//Boolean Del_Result;
//Del_Result = db.UpdateDataBySql(SqlStr);
//if (Del_Result == true)
//{
// Response.Write("<script>alert('記錄刪除成功！')</script>");
// DataListBind();//綁定數據
// total_money();//計算價格
//}
//else
// Response.Write("<script>alert('記錄刪除失敗，請檢查！')</script>");
}
protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)
{
String book_id = this.DataList1.DataKeys[e.Item.ItemIndex].ToString();
TextBox count = (TextBox)this.DataList1.Items[e.Item.ItemIndex].FindControl("txtcount");
string SqlStr1 = "select * from Menus where menuNumber='" + Session["menu_number"] + "'";
Ds = Dataoperator.getRows(SqlStr1);
if (Ds.Tables[0].Rows.Count>0)
{
int pric = Convert.ToInt32(Ds.Tables[0].Rows[0][6]);
int mon = Convert.ToInt32(count.Text) * pric;
//Session["payMon"] = mon.ToString();
//total_money_txt.Text = mon.ToString();
SqlStr = "update OrderMenu set number='" + Convert.ToInt32(count.Text) + "',payMoney='" + mon + "' where ID='" + book_id + "'";
Boolean Update_Result;
Update_Result = db.UpdateDataBySql(SqlStr);
if (Update_Result == true)
{
Response.Write("<script>alert('數量修改成功！')</script>");
DataListBind();//綁定數據
// total_money();//計算價格
}
else
Response.Write("<script>alert('數量修改失敗，請檢查！')</script>");
}
else
{
}
}
}[ASP/Basic]代碼
//menuorder.aspx
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack == false)
{
//Session["Username"] = "ning";
// DataGridViewBind();
//total_money();
string sql = "select * from menuView where customerName='" + Session["UserName"] + "'";
Ds = Dataoperator.getRows(sql);
int i = Ds.Tables[0].Rows.Count;
int tem = 0;
for (int j = 0; j < i; j++)
{
tem = Convert.ToInt32(Ds.Tables[0].Rows[j][5].ToString()) + tem;
}
total_money_txt.Text = tem.ToString();
}
}
protected void orderbtn_Click(object sender, EventArgs e)
{
string sql = "select * from menuView where customerName='" + Session["UserName"] + "'";
Ds = Dataoperator.getRows(sql);
int i = Ds.Tables[0].Rows.Count;
string strgoodid="";
string strcustomername = "";
string strmenuname = "";
string strnumber = "";
string deldate = "";
int strpaymoney = 0;
if (i > 0)
{
bool te = false;
for (int j = 0; j < i; j++)
{
strgoodid = Ds.Tables[0].Rows[j][0].ToString();
strcustomername = Ds.Tables[0].Rows[j][1].ToString();
strmenuname = Ds.Tables[0].Rows[j][2].ToString();
strnumber = Ds.Tables[0].Rows[j][3].ToString();
deldate = Ds.Tables[0].Rows[j][4].ToString();
strpaymoney = Convert.ToInt32(Ds.Tables[0].Rows[j][5]);
tem++;
string songdate = Calendar1.SelectedDate.ToString();
string stylePay = ddlpayment.SelectedValue.ToString();
string sakmenu = remarktxtbox.Text;
string sqlind = "insert into IndentMenu values('" + strgoodid + "','" + strcustomername + "','" + strmenuname + "','" + strnumber + "','" + deldate + "','" + strpaymoney + "','" + songdate + "','" + stylePay + "','" + sakmenu + "')";
te = Dataoperator.exSql(sqlind);
}
if (te)
{
MessageBox.ShowPath("menuIndent.aspx");
}
else
{
MessageBox.Show("存儲錯誤..");
}
}
else
{
MessageBox.Show("出錯了啊！！");
}
}關于使用ASP.NET編寫一個餐飲管理系統問題的解答就分享到這里了，希望以上內容可以對大家有一定的幫助，如果你還有很多疑惑沒有解開，可以關注億速云行業資訊頻道了解更多相關知識。
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