如何在asp.net中上传照片时限制高度，宽度和文件大小 [英] how to restrict height,width and file size when photo uploading in asp.net

问题描述

在asp.net中上传照片时如何限制高度，宽度和文件大小

how to restrict height,width and file size when photo uploading in asp.net
pls help me

推荐答案

使用此检查：

Use this check:

using (Bitmap bitmap = new Bitmap(file.InputStream, false))
        {
            if (bitmap.Width < _MaxWidth && bitmap.Height < _MaxHeight)
                _ValidImageDimension = true;
            return ValidImageDimension;
        }

以下链接可以帮助您：



http://cutesoft.net/developer+guide/index.htm#page=Restricting-image-uploads .htm [ ^ ]



http://stackoverflow.com/questions/1577413/asp-net-validate-file-size-width-and-height-before-upload [ ^ ]



http：/ /forums.asp.net/t/1085119.aspx?Resize+Images+on+upload [ ^ ]

Below links can help you:

http://cutesoft.net/developer+guide/index.htm#page=Restricting-image-uploads.htm[^]

http://stackoverflow.com/questions/1577413/asp-net-validate-file-size-width-and-height-before-upload[^]

http://forums.asp.net/t/1085119.aspx?Resize+Images+on+upload[^]

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