How to Preview the image and download which is in base64string format in mvc view using C#

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  <div class="col-lg-9 col-xl-6">

                                                    @if (reclaimdetai != null)

                                                    {

                                                        @foreach (var item in reclaimdetai.RequestFileList)

                                                        {

                                                            var base64 = Convert.ToBase64String(item.MyFile);

                                                            var imgSrc = String.Format("data:image/gif;base64,{0}", base64);

                                                            <div class="d-flex align-items-center">

                                                                <div class="symbol symbol-60 symbol-xxl-100 mr-5 align-self-start align-self-xxl-center">

                                                                    <div class="symbol-label"><img src="@imgSrc" width="40" height="40" /></div>

                                                                </div>

                                                                <div>

                                                                    <span class="font-weight-bolder font-size-h5 text-dark-75 ">

                                                                       @item.FileDesc

                                                                    </span>

                                                                    <div class="text-muted">   <a href="@imgSrc" download="@item.FileDesc">Download</a></div>

                                                                </div>

                                                            </div>


                                                        }

                                                    }

                                                </div>

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