如何将javascript变量的值传递给razor变量？

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如何将javascript变量的值传递给razor变量？

@{
    int a = 0;
<script>
    var b = ...
    @a = b;
</script>

@Html.Hidden("myVar", 0);

<script>
function setMyValue(value) {
     $('#myVar').val(value);       
</script>

<script>
var data = JsFunction("@Html.Raw(Model.Path)");
$(function () {
    $("#btn").click(function () {
        var model = { Id: '@Html.Raw(Model.Id)', Data: data }
        $.ajax({
            type: "POST",
            url: "/Controller/Action",
            data: model,
            datatype: "html",
            success: function() {
                console.log('Success');
</script>

<label for="stringName" class="cols-sm-2 control-
label">@Html.Hidden("stringName", "")</label>

 $('#stringName').replaceWith(localStorage.getItem("itemName"));

<select class="form-control form-control-sm"
    data-bind="options: QuestionTypes, optionsText: 'QuestionTypeText', value: QuestionType, optionsCaption: 'Choose...'">
</select>

@Html.Hidden("NewQuestion.QuestionTypeJson", Model.NewQuestion.QuestionTypeJson)

self.QuestionType.subscribe(function(newValue) {
    if (newValue !== null && newValue !== undefined) {                       
        document.getElementById('NewQuestion_QuestionTypeJson').value = JSON.stringify(newValue);
});

public string QuestionTypeJson { get; set; }
private QuestionType _questionType = new QuestionType();
public QuestionType QuestionType
    get => string.IsNullOrEmpty(QuestionTypeJson) ? _questionType : JsonConvert.DeserializeObject<QuestionType>(QuestionTypeJson);
    set => _questionType = value;
}

@using (Html.BeginForm("RegisterOrder", "Account", FormMethod.Post, new { @class = "form", role = "form" }))
   @Html.TextBoxFor(m => m.Email, new { @class = "form-control" })
   @Html.HiddenFor(m => m.quantity, new { id = "quantity", Value = 0 })
  }

    $http({
        method: 'Get',
        url: "https://xxxxxxx.azurewebsites.net/api/quantity/" + usr
        .success(function (data){
            setQuantity(data.number);
            function setQuantity(number) {
                $('#quantity').val(number);
        });

 <input id="TXTCount" type="number" readonly="readonly" class="form-control text-center text-bold" step="1" min="0" max="10000" value="1" inputmode="numeric" />
 <input id="TXTTOTal" type="number" readonly="readonly" class="form-control text-center text-bold" step="1" min="0" max="10000" value="1" inputmode="numeric" />

  @{string WatsMSG = "xxx";}

 <a class="btn btn-success" id="WatsSendApi" href="https://api.whatsapp.com/send?phone=0000&text=@WatsMSG">
    <b class="text-black" style="font-size:small"> whatsapp </b><i class="fa fa-whatsapp" style="color:white"></i> </a>

 <script>
                                        $("#WatsSendApi").click(function () {
                                            var StringMSG;
                                            StringMSG=("Ineed : ");
                                            StringMSG += (" Item Name : ");
                                            StringMSG +='@item.ITName' ;
                                            StringMSG += (" Count: ");
                                            StringMSG += $('#TXTCount').val();
                                            StringMSG += (" Price: ");
                                            StringMSG += '@item.ITPrice';

如何将javascript变量的值传递给razor变量？

7 个回答