Comprehensive tutorial on uploading image files, determing size ( in bytes ), type ( bmp, jpg, gif ), width and height ( in pixels ) of these images, imposing restrictions to allow images of only certain size, width and height to get uploaded and to resiz
Tutorial Details:
Uploading, Determining Size, Width and Height and Resizing Image Files with ASP.NET
In this article we will learn how to determine the size and dimensions ( width & height ) of an uploaded image? allow the image to be uploaded if it is less than given size? or if it's width and height are less than given values? and finally how to resize an image to create thumbnails?
Note: The details of file uploading with ASP.NET will not be covered here. They have been covered in detail in separate articles. Please consult those articles first if you feel uncomfortable with the code shown in this article.
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