public override string GetDesignTimeHtml(DesignerRegionCollection regions)
{
var controlPreviewHtml =
@"<div class=""ajax__fileupload"" id=""SampleContent_AjaxFileUpload1_ctl00"" style=""padding: 4px;border: #D3D3D3 1px solid;overflow: auto;"">
<div style=""width: 100%; height: 60px; visibility: visible; border-style: dotted; border-width: 1px; line-height: 50px; text-align: center; margin-bottom: 2px;"">Drop files here</div>
<span style=""display: inline-block;overflow: hidden;position: relative;width: 80px;height: 24px;line-height: 24px;"">
<span style=""display: block;height: 24px;line-height: 24px;width: 80px;text-align: center;background-color: #212121;color: #D0D0D0;cursor: pointer;margin-right: 4px;font-size: 13px;"">Select File</span>
<div style=""overflow: hidden;"">
<div style=""visibility: visible;border: #A9A9A9 1px solid;border-width: 1px;margin-top: 2px;padding: 4px;clear: both;""></div></div></span>
<div style=""visibility: visible;border: #A9A9A9 1px solid;border-width: 1px;margin-top: 2px;padding: 4px;clear: both;"">
<div style=""position: relative;z-index: 0; color: #009; line-height: 20px;line-height: 20px;height: 20px;margin-bottom: 2px;overflow: hidden;"">
<div style=""display: inline-block;"" class=""pendingState"">
<span class=""ajax__fileupload_fileItemInfo"">
<span>File 1.jpg</span> <span class=""filetype"">(image/jpeg)</span>
-
<span>1.28 MB</span>
</span>
<span> (uploading)</span></div>
<div style=""cursor: pointer;background-color: #900;color: white;width: 55px;height: 20px;line-height: 20px;text-align: center;display: block;float: left;position: absolute;top: 0;right: 0;"">Remove</div>
</div>
<div style=""position: relative;z-index: 0; color: #009; line-height: 20px;line-height: 20px;height: 20px;margin-bottom: 2px;overflow: hidden;"">
<div style=""display: inline-block;"" class=""pendingState"">
<span class=""ajax__fileupload_fileItemInfo"">
<span>File 2.jpg</span> <span class=""filetype"">(image/jpeg)</span>
-
<span>2.18 MB</span>
</span>
<span> (pending)</span></div>
<div style=""cursor: pointer;background-color: #900;color: white;width: 55px;height: 20px;line-height: 20px;text-align: center;display: block;float: left;position: absolute;top: 0;right: 0;"">Remove</div>
</div>
<div style=""position: relative;z-index: 0; color: #009; line-height: 20px;line-height: 20px;height: 20px;margin-bottom: 2px;overflow: hidden;"">
<div style=""display: inline-block;"" class=""pendingState"">
<span class=""ajax__fileupload_fileItemInfo"">
<span>File 3.jpg</span> <span class=""filetype"">(image/jpeg)</span>
-
<span>99 MB</span>
</span>
<span> (pending)</span></div>
<div style=""cursor: pointer;background-color: #900;color: white;width: 55px;height: 20px;line-height: 20px;text-align: center;display: block;float: left;position: absolute;top: 0;right: 0;"">Remove</div>
</div>
</div>
<div align=""right"" style=""margin-top: 2px;line-height: 20px;height: 20px;"">
<div>
<div align=""left"" style=""width: 80%; float: left; line-height: 20px;"">
<div style=""width: 65%; height: 20px; overflow: visible; white-space: nowrap;padding-left: 4px;background-color: #CCFFCC;"">uploaded 65%</div></div>
</div>
<div style=""width: 60px;text-align: center;cursor: pointer;color: white;font-weight: bold;background-color: #000099; line-height: 20px;"">Upload</div>
</div>
</div>";
return controlPreviewHtml;
}