TechnoTips : preview image before upload

#Expected Output

#View Page (Index.cshtml)

@model MVCTutorial.Models.ModelC
@{
    ViewBag.Title = "Index";
    // Layout = null;
}

<div class="panel panel-body" style="min-height:256px">
        
    <div class="col-md-9">

        <div class="col-md-4">
            <div class="btn btn-primary">
                <input type="file" id="imageBrowes" />
            </div>
            <hr />

            <div id="imgPreview" class="thumbnail" style="display:none">
                <img class="img-responsive" id="targetImg" />
                <div class="caption">
                    <a href="#" onclick="ClearPreview()"><i class="glyphicon glyphicon-trash"></i></a>
                    <span id="description"></span>
                </div>
            </div>

        </div>

    </div>

</div>
<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<script>

    $(document).ready(function () {

        $("#imageBrowes").change(function () {           

            var File = this.files;

            if (File && File[0]) {
                ReadImage(File[0]);
            }

        })


    })


    var ReadImage = function (file) {

        var reader = new FileReader;
        var image = new Image;

        reader.readAsDataURL(file);
        reader.onload = function (_file) {

            image.src = _file.target.result;
            image.onload = function () {

                var height = this.height;
                var width = this.width;
                var type = file.type;
                var size = ~~(file.size / 1024) + "KB";

                $("#targetImg").attr('src', _file.target.result);
                $("#description").text("Size:" + size + ", " + height + "X " + width + ", " + type + "");
                $("#imgPreview").show();

            }

        }

    }

    var ClearPreview = function () {
        $("#imageBrowes").val('');
        $("#description").text('');
        $("#imgPreview").hide();

    }

</script>

All Code Factory

TechnoTips

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Saturday, January 28, 2017

Part 32 - Preview Image before upload using JQuery in Asp.net mvc