C# Online Compiler | .NET Fiddle

<no name> by Anonymous

   //xoa 1 quyen sach
        public void xoaSach(Sach sach)
        {
            LT_Sach lt = new LT_Sach();
            List<Sach> dss = lt.docDSSach();
            foreach(var s in dss)
            {
                if(s.MaSach == sach.MaSach)
                {
                    dss.Remove(s);
                    lt.capNhatDS(dss);
                    break;
                }
            }
        }

Model

 
   //xoa 1 quyen sach
        public void xoaSach(Sach sach)
        {
            LT_Sach lt = new LT_Sach();
            List<Sach> dss = lt.docDSSach();
            foreach(var s in dss)
            {
                if(s.MaSach == sach.MaSach)
                {
                    dss.Remove(s);
                    lt.capNhatDS(dss);
                    break;
                }
            }
        }

@using Quoc_OOP_27092020.Entity;
@using Quoc_OOP_27092020.DAL;
@using Quoc_OOP_27092020.BussinessLogic;

@{
    Layout = null;
    XL_Sach xl = new XL_Sach();
    List<Sach> dss = xl.docDSSach();
    string tuKhoa = string.Empty;
    if(Request["btnTim"] != null)
    {
        tuKhoa = Request["tuKhoa"];
        dss= xl.timSach(tuKhoa);
    }
    
}


<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title></title>

    <style>
        table, th, td {
            border: 1px solid black;
            text-align: center;
        }
        div {
            margin: 5px;
        }
    </style>

</head>
<body>
    <div>
        <form action="~/Views/MH_DocSach.cshtml" method="get">
            <label for="tim">Tim Sach: </label>
            <input type="text" name="tuKhoa" id="tim" value="@tuKhoa" />
            <label for="btnTim">Tim Sach: </label>
            <input type="submit" name="btnTim" id="btntim" value="Tim Sach" />

        </form>
    </div>
    <div>
        <a href="~/Views/MH_ThemSach.cshtml">Them Sach</a>
    </div>
    <div>
        <table style="width:100%; ">
            <tr>
                <th>Ma Sach</th>
                <th>Ten Sach</th>
                <th>Ten Tac Gia</th>
                <th>Gia</th>
                <th>Nam xuat ban</th>
                <th>Actions</th>
            </tr>
            @foreach (Sach s in dss)
            {
        <tr>
            <td>@s.MaSach</td>
            <td>@s.TenSach</td>
            <td>@s.TacGia</td>
            <td>@s.Gia</td>
            <td>@s.NamXuatBan</td>
            <td>
               <a href="~/Views/MH_XoaSach.cshtml?msx=@s.MaSach">Xoa Sach</a>
            </td>
        </tr>
            }


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

View

​x
 
@using Quoc_OOP_27092020.Entity;
@using Quoc_OOP_27092020.DAL;
@using Quoc_OOP_27092020.BussinessLogic;
​
@{
    Layout = null;
    XL_Sach xl = new XL_Sach();
    List<Sach> dss = xl.docDSSach();
    string tuKhoa = string.Empty;
    if(Request["btnTim"] != null)
    {
        tuKhoa = Request["tuKhoa"];
        dss= xl.timSach(tuKhoa);
    }
    
}
​
​
<!DOCTYPE html>
​
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title></title>
​
    <style>
        table, th, td {
            border: 1px solid black;
            text-align: center;
        }
        div {
            margin: 5px;
        }
    </style>
​
</head>
<body>
    <div>
        <form action="~/Views/MH_DocSach.cshtml" method="get">
            <label for="tim">Tim Sach: </label>
            <input type="text" name="tuKhoa" id="tim" value="@tuKhoa" />
            <label for="btnTim">Tim Sach: </label>
            <input type="submit" name="btnTim" id="btntim" value="Tim Sach" />
​
        </form>
    </div>
    <div>
        <a href="~/Views/MH_ThemSach.cshtml">Them Sach</a>
    </div>
    <div>
        <table style="width:100%; ">
            <tr>
                <th>Ma Sach</th>
                <th>Ten Sach</th>
                <th>Ten Tac Gia</th>
                <th>Gia</th>
                <th>Nam xuat ban</th>
                <th>Actions</th>
            </tr>
            @foreach (Sach s in dss)
            {
        <tr>
            <td>@s.MaSach</td>
            <td>@s.TenSach</td>
            <td>@s.TacGia</td>
            <td>@s.Gia</td>
            <td>@s.NamXuatBan</td>
            <td>
               <a href="~/Views/MH_XoaSach.cshtml?msx=@s.MaSach">Xoa Sach</a>
            </td>
        </tr>
            }
​
​
        </table>
    </div>
</body>
</html>
​
​

@using Quoc_OOP_27092020.Entity;
@using Quoc_OOP_27092020.DAL;
@using Quoc_OOP_27092020.BussinessLogic;

@{
    Layout = null;
    XL_Sach xl = new XL_Sach();
    List<Sach> dss = xl.docDSSach();

    string maSach = string.Empty;


    if (IsPost)
    {
      maSach   = Request["msx"];
        Sach s = xl.getSach(maSach);
        xl.xoaSach(s);
        Response.Redirect("~/Views/MH_DocSach.cshtml");
    }

}

<!DOCTYPE html>

<html>
<head>
   
</head>
<body>
    <div>
        Ban co muon xoa sach co Ma sach = @maSach?
        <form action="~/Views/MH_XoaSach.cshtml" method="post">
           
            <input type="submit" name="btnTim" id="btnXoa" value="Xoa Sach" />

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

Module

 
@using Quoc_OOP_27092020.Entity;
@using Quoc_OOP_27092020.DAL;
@using Quoc_OOP_27092020.BussinessLogic;
​
@{
    Layout = null;
    XL_Sach xl = new XL_Sach();
    List<Sach> dss = xl.docDSSach();
​
    string maSach = string.Empty;
​
​
    if (IsPost)
    {
      maSach   = Request["msx"];
        Sach s = xl.getSach(maSach);
        xl.xoaSach(s);
        Response.Redirect("~/Views/MH_DocSach.cshtml");
    }
​
}
​
<!DOCTYPE html>
​
<html>
<head>
   
</head>
<body>
    <div>
        Ban co muon xoa sach co Ma sach = @maSach?
        <form action="~/Views/MH_XoaSach.cshtml" method="post">
           
            <input type="submit" name="btnTim" id="btnXoa" value="Xoa Sach" />
​
        </form>
    </div>
    
</body>
</html>
​
​

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