I have a textbox on windows form. I want to set max value with a seperator.

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Hi,

I have a textbox on windows form. The Value must then be in the range [0..99999,999] !! Therefore it should not be possible to enter or accept a value > 99999,999 like 123456748 !
Moreover only 1 time Decimal Separator is possible.

Thanks & Regards,

What I have tried:

I tried to set the max value with max length but not able to show the separator .

Posted 9-Feb-17 18:35pm

Member 10915657

Updated 9-Feb-17 19:51pm

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Michael_Davies 10-Feb-17 1:54am

Why not use a NumericUpDown control?

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Ralf Meier · Answer 1 · 2017-02-09T19:51:00

For this you should customize your TextBox - create your own myTextBox which derives from TextBox.
In this TextBox you Override the OnKeyPress-Method and enhance it with your requirement.
For example could you check if a valid key is pressed, but also if the entered string (it's value) doesn't exceeds the given Limits.