相关疑难解决方法(0)

我正在努力上传并将该图像的缩略图副本保存在缩略图文件夹中.

我正在使用以下链接:

http://weblogs.asp.net/markmcdonnell/archive/2008/03/09/resize-image-before-uploading-to-server.aspx

但

newBMP.Save(directory + "tn_" + filename);   

导致异常"GDI +中发生了一般错误."

我试图给予文件夹权限,还试图在保存时使用新的单独的bmp对象.

编辑:

    protected void ResizeAndSave(PropBannerImage objPropBannerImage)
    {
        // Create a bitmap of the content of the fileUpload control in memory
        Bitmap originalBMP = new Bitmap(fuImage.FileContent);

        // Calculate the new image dimensions
        int origWidth = originalBMP.Width;
        int origHeight = originalBMP.Height;
        int sngRatio = origWidth / origHeight;
        int thumbWidth = 100;
        int thumbHeight = thumbWidth / sngRatio;

        int bannerWidth = 100;
        int bannerHeight = bannerWidth / sngRatio;

        // Create a new …

我正在向数据库添加日期和图像.我想将日期作为页脚添加到上传的图像.

用于图像的HTML upload

<div class="form-group">
    @Html.Label("Photo", htmlAttributes: new { @class = "control-label" })
    <div class="col-md-10">
        <img id="DocImg" src="~/Upload/DoctorImage/doc-default.png" style="cursor: pointer;"  accesskeyclass="edtImg" width="100" height="100" />
        <input type="file" id="fileUpload" name="Photo" accept="image/*" />
    </div>
</div>

HTML for datepicker

 <div class="col-6">
    @Html.ValidationSummary(true, "", new { @class = "text-danger"})
    <div class="form-group">
        @Html.Label("Joining Date", htmlAttributes: new { @class = "control-label col-md-2", @required = "required" })
        <div class="col-md-10">
            @(Html.Kendo().DatePicker()
                            .Name("JoiningDate")
                            .Value("")
                            .HtmlAttributes(new { style = "width: 100%", required = "true" })
            )
            @Html.ValidationMessageFor(model => model.JoiningDate, "", new …