How to Crop a Image in asp.net while uploading

You can try cropping images in your ASP.NET application by using .NET CropCommand class from LEADTOOLS.
You can use this class in a web-service, pass your image data to the service as bas64string, and then crop the image using the CropCommand class.
After this the service returns the cropped image data with any form you want.
You can find more details about the CropCommand class here:
https://www.leadtools.com/help/leadtools/v19m/dh/l/imageprocessing-cropcommand.html