C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace QUOC_KTLT_20200831.Models
{
    public struct TamGiac
    {
        public DIEM A;
        public DIEM B;
        public DIEM C;
    }
}

Model

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
​
namespace QUOC_KTLT_20200831.Models
{
    public struct TamGiac
    {
        public DIEM A;
        public DIEM B;
        public DIEM C;
    }
}

@using QUOC_KTLT_20200831.Models;
@using QUOC_KTLT_20200831.DataContext;
@using QUOC_KTLT_20200831.BussinessLogic;
@{
    string kq = string.Empty;
    string tb = string.Empty;
    string filePath = string.Empty;


    if (IsPost)
    {
        TamGiac tg = new TamGiac();
        tg.A.X = int.Parse(Request["txtAX"]);
        tg.A.Y = int.Parse(Request["txtAY"]);
        tg.B.X = int.Parse(Request["txtBX"]);
        tg.B.Y = int.Parse(Request["txtBY"]);
        tg.C.X = int.Parse(Request["txtCX"]);
        tg.C.Y = int.Parse(Request["txtCY"]);
        filePath = Request["txtFilePath"];
        var luu = IO_TamGiac.luuTamGiac(tg, filePath);
        if(luu == true)
        {
            tb = "da luu thanh cong tam giac";
            kq = $"Diem A({tg.A.X}, {tg.A.Y}), Diem B({tg.B.X}, {tg.B.Y}),Diem C({tg.C.X}, {tg.C.Y})";
        }
        else
        {
            tb = "day la me cua thanh cong";
        }



    }

 }
<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title></title>
</head>
<body>
    <div>
        <form action="~/Views/View_LuuTG.cshtml" method="post">
            <label for="txtAX">Toa do X cua A </label>
            <input type="text" name="txtAX"  /> <br />
            <label for="txtAY">Toa do Y cua A</label>
            <input type="text" name="txtAY"  /> <br />
            <label for="txtBX">Toa do X cua B </label>
            <input type="text" name="txtBX" /> <br />
            <label for="txtBY">Toa do Y cua B</label>
            <input type="text" name="txtBY"  /> <br />
            <label for="txtBY">Toa do X cua C</label>
            <input type="text" name="txtCX"  /> <br />
            <label for="txtCY">Toa do Y cua C</label>
            <input type="text" name="txtCY" /> <br />
            <label for="txtFilePath">duong dan file</label> <br />
            <input type="text" name="txtFilePath" value="@filePath" />
            <input type="submit" name="btnSM" value="Ghi Toa Do" />

        </form>

    </div>
    <div>
        <h1>Thong  bao: @tb</h1>
        <h1>ket qua luu tac giac: @kq </h1>
       

    </div>
</body>
</html>

View

 
@using QUOC_KTLT_20200831.Models;
@using QUOC_KTLT_20200831.DataContext;
@using QUOC_KTLT_20200831.BussinessLogic;
@{
    string kq = string.Empty;
    string tb = string.Empty;
    string filePath = string.Empty;
​
​
    if (IsPost)
    {
        TamGiac tg = new TamGiac();
        tg.A.X = int.Parse(Request["txtAX"]);
        tg.A.Y = int.Parse(Request["txtAY"]);
        tg.B.X = int.Parse(Request["txtBX"]);
        tg.B.Y = int.Parse(Request["txtBY"]);
        tg.C.X = int.Parse(Request["txtCX"]);
        tg.C.Y = int.Parse(Request["txtCY"]);
        filePath = Request["txtFilePath"];
        var luu = IO_TamGiac.luuTamGiac(tg, filePath);
        if(luu == true)
        {
            tb = "da luu thanh cong tam giac";
            kq = $"Diem A({tg.A.X}, {tg.A.Y}), Diem B({tg.B.X}, {tg.B.Y}),Diem C({tg.C.X}, {tg.C.Y})";
        }
        else
        {
            tb = "day la me cua thanh cong";
        }
​
​
​
    }
​
 }
<!DOCTYPE html>
​
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title></title>
</head>
<body>
    <div>
        <form action="~/Views/View_LuuTG.cshtml" method="post">
            <label for="txtAX">Toa do X cua A </label>
            <input type="text" name="txtAX"  /> <br />
            <label for="txtAY">Toa do Y cua A</label>
            <input type="text" name="txtAY"  /> <br />
            <label for="txtBX">Toa do X cua B </label>
            <input type="text" name="txtBX" /> <br />
            <label for="txtBY">Toa do Y cua B</label>
            <input type="text" name="txtBY"  /> <br />
            <label for="txtBY">Toa do X cua C</label>
            <input type="text" name="txtCX"  /> <br />
            <label for="txtCY">Toa do Y cua C</label>
            <input type="text" name="txtCY" /> <br />
            <label for="txtFilePath">duong dan file</label> <br />
            <input type="text" name="txtFilePath" value="@filePath" />
            <input type="submit" name="btnSM" value="Ghi Toa Do" />
​
        </form>
​
    </div>
    <div>
        <h1>Thong  bao: @tb</h1>
        <h1>ket qua luu tac giac: @kq </h1>
       
​
    </div>
</body>
</html>

using QUOC_KTLT_20200831.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;

namespace QUOC_KTLT_20200831.DataContext
{
    public class IO_TamGiac
    {
        private static string filePath = "luu-tg.txt";
        public static bool luuTamGiac(TamGiac tg,  string filePath)
        {
            FileStream fS = new FileStream(filePath, FileMode.OpenOrCreate);
            StreamWriter sW = new StreamWriter(fS);
            sW.WriteLine(tg.A.X + "," + tg.A.Y);
            sW.WriteLine(tg.B.X + "," + tg.B.Y);
            sW.WriteLine(tg.C.X + "," + tg.C.Y);
            sW.Flush();
            fS.Close();
            return true;
        }

        public static TamGiac docTamGiac(string filePath)
        {
            TamGiac tg = new TamGiac();
            FileStream fS = new FileStream(filePath, FileMode.OpenOrCreate);
            StreamReader sR = new StreamReader(fS);
            string dong = sR.ReadLine();
            string[] mang = dong.Split(',');
            tg.A.X = int.Parse( mang[0]);
            tg.A.Y = int.Parse(mang[1]);

            dong = sR.ReadLine();
            mang = dong.Split(',');
            tg.B.X = int.Parse(mang[0]);
            tg.B.Y = int.Parse(mang[1]);

            dong = sR.ReadLine();
            mang = dong.Split(',');
            tg.C.X = int.Parse(mang[0]);
            tg.C.Y = int.Parse(mang[1]);

            sR.Close();
            fS.Close();
            return tg;
        }
    }
}

Controller

 
using QUOC_KTLT_20200831.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
​
namespace QUOC_KTLT_20200831.DataContext
{
    public class IO_TamGiac
    {
        private static string filePath = "luu-tg.txt";
        public static bool luuTamGiac(TamGiac tg,  string filePath)
        {
            FileStream fS = new FileStream(filePath, FileMode.OpenOrCreate);
            StreamWriter sW = new StreamWriter(fS);
            sW.WriteLine(tg.A.X + "," + tg.A.Y);
            sW.WriteLine(tg.B.X + "," + tg.B.Y);
            sW.WriteLine(tg.C.X + "," + tg.C.Y);
            sW.Flush();
            fS.Close();
            return true;
        }
​
        public static TamGiac docTamGiac(string filePath)
        {
            TamGiac tg = new TamGiac();
            FileStream fS = new FileStream(filePath, FileMode.OpenOrCreate);
            StreamReader sR = new StreamReader(fS);
            string dong = sR.ReadLine();
            string[] mang = dong.Split(',');
            tg.A.X = int.Parse( mang[0]);
            tg.A.Y = int.Parse(mang[1]);
​
            dong = sR.ReadLine();
            mang = dong.Split(',');
            tg.B.X = int.Parse(mang[0]);
            tg.B.Y = int.Parse(mang[1]);
​
            dong = sR.ReadLine();
            mang = dong.Split(',');
            tg.C.X = int.Parse(mang[0]);
            tg.C.Y = int.Parse(mang[1]);
​
            sR.Close();
            fS.Close();
            return tg;
        }
    }
}

View in Full Screen

Compilation error (line 20, col 7): { or ; expected

Last Run:	10:16:52 am
Compile:	0s
Execute:	0.047s
Memory:	0b
CPU:	0s

View IL Code