使用Ajax.ActionLink删除后从视图页中删除图像

时间:2013-06-03 08:57:19

标签: javascript jquery asp.net-mvc-3 razor

我正在使用razor视图处理asp.net mvc3应用程序。我必须实现的业务逻辑比我的答案更复杂,但你可以猜测我对JS / jQuery的了解非常差,所以我逐步采取这一步骤。

从控制器中我得到一个列表,其中包含我必须在视图中显示的所有图片,然后显示如下:

@foreach (var image in ViewBag.DocumentPicture)
    {
        if (image != null)
        { 
            <img src="file:\\5.3.2.7\upload\@image.Name" alt="docImg" style="width: 190px; height: auto"/>
            @Ajax.ActionLink("Delete", "DeletePicture", new { documentImageID = image.Id },
            new AjaxOptions
            {
                Confirm = "Are you sure?",
                //OnComplete = "$('#blah').attr('src', '#').attr('style', 'display:none;'); $('#Image1').attr('src', '#').attr('style', 'display:none;'); $('#DelPic').attr('style', 'display:none;');"
            })
        }
    }

我不想重新加载我的整个视图,因此我只想在确认删除后从视图中删除图像。我不知道我是否可以让它hidden或其他更好的东西,但希望这不是一项任务的困难我只是对JS / jQuery没有太多的了解。

P.S

以下是呈现的HTML:

<div id="document-image-gallery">
<img src="file:\\5.3.2.7\upload\10005\docPicTest1.jpg" alt="docImg" style="width: 190px; height: auto"/>
<a data-ajax="true" data-ajax-confirm="Are you sure?" href="/Forms/DeletePicture?documentImageID=26">Delete</a>            
<img src="file:\\5.3.2.7\upload\10005\docPicTest2.jpg" alt="docImg" style="width: 190px; height: auto"/>
<a data-ajax="true" data-ajax-confirm="Are you sure?" href="/Forms/DeletePicture?documentImageID=27">Delete</a>            
<img src="file:\\5.3.2.7\upload\10005\docPicTest3.jpg" alt="docImg" style="width: 190px; height: auto"/>
<a data-ajax="true" data-ajax-confirm="Are you sure?" href="/Forms/DeletePicture?documentImageID=28">Delete</a>            
<img src="file:\\5.3.2.7\upload\10005\docPicTest4.jpg" alt="docImg" style="width: 190px; height: auto"/>
<a data-ajax="true" data-ajax-confirm="Are you sure?" href="/Forms/DeletePicture?documentImageID=29">Delete</a>            
<img src="file:\\5.3.2.7\upload\10005\docPicTest5.jpg" alt="docImg" style="width: 190px; height: auto"/>
<a data-ajax="true" data-ajax-confirm="Are you sure?" href="/Forms/DeletePicture?documentImageID=30">Delete</a>
</div>

2 个答案:

答案 0 :(得分:1)

CSHTML

@foreach (var image in ViewBag.DocumentPicture)
{
    if (image != null)
    { 
        <img src="file:\\5.3.2.7\upload\@image.Name" alt="docImg" style="width: 190px; height: auto"/>
        @Ajax.ActionLink("Delete", "DeletePicture", new { documentImageID = image.Id },
        new AjaxOptions
        {
            Confirm = "Are you sure?",
            OnComplete = "DeleteImage"
        })
    }
}

JavaScript 功能

function DeleteImage() {
   $(this).prev().remove(); //get previous sibling http://api.jquery.com/prev/
}

答案 1 :(得分:1)

我宁愿使用标准链接:

@foreach (var image in ViewBag.DocumentPicture)
{
    if (image != null)
    {
        <div>
            <img src="file:///5.3.2.7/upload/@image.Name" alt="docImg" style="width: 190px; height: auto" />
            @Html.ActionLink("Delete", "DeletePicture", new { documentImageID = image.Id }, new { @class = "delete" })
        </div>
    }
}

我会不引人注意地使用AJAXify:

<script type="text/javascript">
    $(document).on('click', '.delete', function() {
        if (confirm('Are you sure?')) {
            $.ajax({
                url: this.href,
                type: 'POST',
                context: this,
                success: function(result) {
                    $(this).closest('div').remove();
                }
            });
        }
        return false;
    })
</script>

这允许我们捕获在AJAX请求的成功回调中单击的链接,找到最接近的包含div并从DOM中删除它。显然,为了避免混合HTML和标记它是一个真实世界的应用程序,我的答案中显示的javascript片段应该放在一个单独的js文件中,你可以简单地从你的视图中引用。