Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/csharp/287.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/3/html/78.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
C# 向控制器返回2个值,文本保持为空_C#_Html_Asp.net_Asp.net Mvc 3 - Fatal编程技术网

C# 向控制器返回2个值,文本保持为空

C# 向控制器返回2个值,文本保持为空,c#,html,asp.net,asp.net-mvc-3,C#,Html,Asp.net,Asp.net Mvc 3,尝试将2个值传递回控制器id',并且“text”…id传递ok,但text总是返回null。知道为什么吗 <div class="modal-body"> <input type="hidden" id="AlertFreeTextId" name="AlertFreeTextId" value="@Model.AlertFreeTextId" /> <input type="hidden" id="Text" name="Text" value="@M

尝试将2个值传递回控制器id',并且“text”…id传递ok,但text总是返回null。知道为什么吗

<div class="modal-body">
   <input type="hidden" id="AlertFreeTextId" name="AlertFreeTextId" value="@Model.AlertFreeTextId" />
   <input type="hidden" id="Text" name="Text" value="@Model.Text" />
   <div class="form-group">
      @Html.LabelFor(x => x.Text)
      @Html.TextAreaFor(x => x.Text, new { @class = "form-control" })
      @Html.ValidationMessageFor(x => x.Text)
   </div>
<div>
   <a href='@Url.Action("CreateAlertFreeText", "AlertFreeText", new { id = Model.AlertFreeTextId, text = Model.Text})'>
   <button class="btn btn-primary">@T("Save")</button>
   </a>  
</div>  
</div>
这一行在这里:

<a href='@Url.Action("CreateAlertFreeText", "AlertFreeText", new { id = Model.AlertFreeTextId, text = Model.Text})'>
所有这一切都是为了获取传递到视图中的文本。我假设在调用视图时,Model.Text为null,因此它返回的正是null

这样提交时,需要从表单中提取数据

我建议使用表单post或调用jquery方法来创建post,您可以在其中提取表单数据

可能是这样的:警告:未经测试

<div class="modal-body">
    <input type="hidden" id="AlertFreeTextId" name="AlertFreeTextId" value="@Model.AlertFreeTextId" />
    <input type="hidden" id="Text" name="Text" value="@Model.Text" />
    <div class="form-group">
        @Html.LabelFor(x => x.Text)
        @Html.TextAreaFor(x => x.Text, new { @class = "form-control" })
        @Html.ValidationMessageFor(x => x.Text)
    </div>

    <div>
        <a href='#' id='alertFreeTextLink'>
            <button class="btn btn-primary">@T("Save")</button>
        </a>  
    </div>  
</div>

<script>
    $(document).ready(function() {
        $("#alertFreeTextLink").click(function() {
           var url = '@Url.Action("CreateAlertFreeText", "AlertFreeText", 
               new { id = Model.AlertFreeTextId })';
           url = url + "&text=" + $("#Text").val();

           $.ajax({
               url: url
           })
           .done(function(response) {
               /// Do something here
           });
        });
    });
</script>

还有,你为什么有这一行:?现在有两个ID为Text的字段。删除这个。我担心这不起作用。…@Url.ActionCreateAlertFreeText,AlertFreeText,标记为未终止的字符串常量,如果这有帮助的话?我尝试添加了一个aleri,它在脚本中没有到达,是的,我引用了jqueryWhy你在链接中有一个按钮吗?
<div class="modal-body">
    <input type="hidden" id="AlertFreeTextId" name="AlertFreeTextId" value="@Model.AlertFreeTextId" />
    <input type="hidden" id="Text" name="Text" value="@Model.Text" />
    <div class="form-group">
        @Html.LabelFor(x => x.Text)
        @Html.TextAreaFor(x => x.Text, new { @class = "form-control" })
        @Html.ValidationMessageFor(x => x.Text)
    </div>

    <div>
        <a href='#' id='alertFreeTextLink'>
            <button class="btn btn-primary">@T("Save")</button>
        </a>  
    </div>  
</div>

<script>
    $(document).ready(function() {
        $("#alertFreeTextLink").click(function() {
           var url = '@Url.Action("CreateAlertFreeText", "AlertFreeText", 
               new { id = Model.AlertFreeTextId })';
           url = url + "&text=" + $("#Text").val();

           $.ajax({
               url: url
           })
           .done(function(response) {
               /// Do something here
           });
        });
    });
</script>