How to have a validator to fire when a number is 20% higher or lower then the other

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I wanted to know is there a way to have a Validator to fire if the number entered is higher or Lower than 20% of the number auto populated in the TextBox?

Posted 14-Nov-13 4:40am

Computer Wiz99

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José Amílcar Casimiro 14-Nov-13 11:31am

Extend an existing one.

Computer Wiz99 14-Nov-13 11:32am

What do you mean?

José Amílcar Casimiro 14-Nov-13 11:37am

You can extend the RangeValidator control into a new control for your validation needs.

Computer Wiz99 14-Nov-13 11:42am

Ok. Can you show me how? I never did that before What will it look like on the .aspx source page?

José Amílcar Casimiro 14-Nov-13 11:46am

http://stackoverflow.com/questions/251842/asp-net-extended-range-validation

Computer Wiz99 14-Nov-13 11:54am

Ok, thanks. I will have a look at it.

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Thanks7872 · Answer 1 · 2013-11-14T05:49:00

Solution 1

This is what you are looking for : http://msdn.microsoft.com/en-us/library/f70d09xt(v=vs.85).aspx[^]. You can even set Maximum and Minimum values at server side [.cs file].

C#

Range1.MaximumValue=....//Calculate the value you want and apply it here

Posted 14-Nov-13 5:49am

Thanks7872

Updated 14-Nov-13 5:51am

v2

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Computer Wiz99 14-Nov-13 11:52am

Rohan Leuva, Thanks for the link but the validator needs to validate between last year number and this year number. It will be different for each user. The number being compared to is auto populated from a database. Will that still work?

Thanks7872 14-Nov-13 12:03pm

Thats why i mentioned that you can set the Min and Max values at server side code also. Get required values from database,perform calculation and as a result e.g. you get 15,if you want to check that it should be between 10 to 15 then you will set like this:


Range1.MinimumValue="10";
Range1.MaximumValue="15";