Need a better solution for decimal range validation

[h82258652]

Background and Motivation

Hello, I'm an asp.net core developer. While I using the input validation, I found it is hard to validate the decimal type.
I try these:

[Range(typeof(decimal), "0", decimal.MaxValue.ToString())]

This one compile error.

[Range(0d, (double)decimal.MaxValue)]

Works but it will lost the precision.

After I search google and stackoverflow, I found the solution:

[Range(typeof(decimal), "0", "79228162514264337593543950335")]

It is not friendly for code.
Also as @Joe4evr said, decimal type can not be an attribute parameter due to the CLR restriction.

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[Joe4evr]

Part of the problem here is that decimals can't be emitted as CLR constants. When you write const decimal the compiler emits it as a static readonly field and attribute arguments are only able to accept true constant values.

[h82258652]

@Joe4evr
Thanks for the response. You are right, compile failed. decimal type can not be the attribute parameter. I search google found this is the CLR restriction.
I will close the wrong PR.
By the way, Does there any nice solution? Or can we change the CLR restriction?

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