Etiqueta: razor

Delimitadoras: https://docs.microsoft.com/es-es/aspnet/core/mvc/views/tag-helpers/built-in/anchor-tag-helper?view=aspnetcore-3.1

asp-controller	El nombre del controlador.
asp-action	El nombre del método de acción.
asp-area	El nombre del área.
asp-page	El nombre de la página de Razor.
asp-page-handler	El nombre del controlador de páginas de Razor.
asp-route	El nombre de la ruta.
asp-route-{value}	Un valor único de ruta de dirección URL. Por ejemplo: asp-route-id="1234".
asp-all-route-data	Todos los valores de ruta.
asp-fragment	El fragmento de dirección URL.

Ejemplos:

<a asp-controller="Speaker"
asp-action="Index">All Speakers</a>

<a href="/Speaker">All Speakers</a>

<a asp-controller="Speaker"
asp-action="Evaluations">Speaker Evaluations</a>

<a href="/Speaker/Evaluations">Speaker Evaluations</a>



De formulario:

https://docs.microsoft.com/es-es/aspnet/core/mvc/views/working-with-forms?view=aspnetcore-3.1#the-form-tag-helper


<form asp-controller="Demo" asp-action="Register" method="post">
<!-- Input and Submit elements -->
</form>

<form method="post" action="/Demo/Register">
<!-- Input and Submit elements -->
<input name="__RequestVerificationToken" type="hidden" value="<removed for brevity>">
</form>


Entrada:

https://docs.microsoft.com/es-es/aspnet/core/mvc/views/tag-helpers/built-in/image-tag-helper?view=aspnetcore-3.1


@model RegisterViewModel

<form asp-controller="Demo" asp-action="RegisterInput" method="post">
Email: <input asp-for="Email" /> <br />
Password: <input asp-for="Password" /><br />
<button type="submit">Register</button>
</form>

<br data-mce-bogus="1">

<form method="post" action="/Demo/RegisterInput">
Email:
<input type="email" data-val="true"
data-val-email="The Email Address field is not a valid email address."
data-val-required="The Email Address field is required."
id="Email" name="Email" value=""><br>
Password:
<input type="password" data-val="true"
data-val-required="The Password field is required."
id="Password" name="Password"><br>
<button type="submit">Register</button>
<input name="__RequestVerificationToken" type="hidden" value="<removed for brevity>">
</form>


Para crear select:

https://docs.microsoft.com/es-es/aspnet/core/mvc/views/working-with-forms?view=aspnetcore-3.1#the-select-tag-helper


<select asp-for="Country" asp-items="Model.Countries"></select>

<span class="hljs-tag"><<span class="hljs-name">select</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"Country"</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"Country"</span>></span> <span class="hljs-tag"><<span class="hljs-name">option</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"MX"</span>></span>Mexico<span class="hljs-tag"></<span class="hljs-name">option</span>></span> <span class="hljs-tag"><<span class="hljs-name">option</span> <span class="hljs-attr">selected</span>=<span class="hljs-string">"selected"</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"CA"</span>></span>Canada<span class="hljs-tag"></<span class="hljs-name">option</span>></span> <span class="hljs-tag"><<span class="hljs-name">option</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"US"</span>></span>USA<span class="hljs-tag"></<span class="hljs-name">option</span>></span> <span class="hljs-tag"></<span class="hljs-name">select</span>></span>


Mensajes validación:

https://docs.microsoft.com/es-es/aspnet/core/mvc/views/working-with-forms?view=aspnetcore-3.1#the-validation-message-tag-helper



<span asp-validation-for="Email"></span>

<span class="field-validation-valid"
data-valmsg-for="Email"
data-valmsg-replace="true"></span>

Añadir en cada línea de producto en el index el precio con IVA (21%) El iva lo guardaremos como propiedad en el IndexModel.

Crear una página llamada ‘Caro’ que nos muestre el producto más caro. Si hay varios productos que tienen el mismo precio mostrarlos todos.

Crear en la página de nuevo producto un botón nuevo que nos cree tres copias del producto que estamos añadiendo. Es decir, tendremos el guardar normal y el crear copias que nos lo añade y tres copias más.

@page
@model RazorPruebas.IndexModel
@{
}
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
@* Single Line Statements *@
@{var message = "I am Single Line Statements";}
@* Inline Markup *@
<h5>The message is : @message</h5>

@* This is Code Block *@
@{
var num1 = 5;
var num2 = 10;
var result = num1 + num2;
}
@* Inline Markup *@
<h5>Sum of @num1 + @num2 = @result</h5>

@{
<h5>Url : @Request.Path</h5>
<h5>Host : @Request.Host</h5>

}

@{
int i = 5;
if (i < 5)
{
message = "It is less than 5";
}
else
{
message = "It is greater than 5";
}
}

@* I am comment and I will not be appear on the page *@
@*
I am multi line comment.
I will also not appear in web pages.
*@
<h5>@message</h5>

@{
string year, day, month, time;
year = DateTime.Now.Year.ToString();
day = DateTime.Now.DayOfWeek.ToString();
month = DateTime.Now.Month.ToString();
time = DateTime.Now.ToShortTimeString();
}

<h5>Current Year: @year</h5>
<h5>Current Day : @day</h5>
<h5>Current Month: @month</h5>
<h5>Current Time: @time</h5>

@{
int plus, minus, multi, divide;
num1 = 45;
num2 = 9;
plus = num1 + num2;
minus = num1 - num2;
multi = num1 * num2;
divide = num1 / num2;
}
<h5>Addition : @num1 + @num2 = @plus</h5>
<h5>Subtraction : @num1 - @num2 = @minus</h5>
<h5>Multiplication : @num1 * @num2 = @multi</h5>
<h5>Divide : @num1 / @num2 = @divide</h5>

@{
int[] anum1 = { 12, 52, 66, 92, 28 };
int[] anum2 = { 73, 12, 98, 23, 52 };

for (i = 0; i < 5; i++)
{
for (int loop = 0; loop < 5; loop++)
{
if (anum1[i] == anum2[loop])
{
<h5>Match Found : @anum1[i]</h5>
}
}
}
}

@{
int[] arr = { 1, 3, 5, 7, 11, 13, 17, 19 };
foreach (int x in arr)
{
<span>@x, </span>
}
}

@{
//Single Dimensional Array
<h3>Single Dimensional Array</h3>
int[] arr2 = { 1, 3, 5, 7, 11, 13, 17, 19 };
foreach (int x in arr2)
{
<span>@x, </span>
}

//Multi Dimensional Array
<h3>Multi Dimensional Array</h3>
string[,] letter = new string[3, 2] { { "a", "b" }, { "c", "d" }, { "e", "f" } };
for (i = 0; i < 3; i++)
{
for (int j = 0; j < 2; j++)
{
<span>@letter[i, j], </span>
}
<br />
}
}

@{
var result2 = new Dictionary<string, int>();
result2.Add("Jack", 75);
result2.Add("Steven", 80);
result2.Add("Clark", 95);
}
<h3>Results of the students are:</h3>
<h3>Jack : @result2["Jack"]</h3>
<h3>Steven : @result2["Steven"]</h3>
<h3>Clark : @result2["Clark"]</h3>
@functions{
public int sum(int x, int y)
{
return x + y;
}
public int dividir(int x, int y)
{
string errormessage;
try
{
return x / y;
}
catch (DivideByZeroException d)
{
errormessage = d.ToString();
WriteLiteral("<br />Cannot Divide by Zero Exception found <br /><br />");
WriteLiteral("Additional Info <br /><br />" + errormessage);
return 0;
}
}
}
<h3>Add of 5 + 6 is @sum(5, 6)</h3>
<h3>Add of 9 + 10 is @sum(9, 10)</h3>

<h3>Division of 10 / 5 is @dividir(10, 5)</h3>
<h3>Add of 12 + 0 is @dividir(12, 0)</h3>
</body>
</html>