Numeric and Number range validation for TextBox using JavaScript

Question

i have 2 question1I told i want in TB1 user just Type Number i want if they type other thing in TB in Message box show this erro please enter number how i can do it 2I want define limit for number eg i want user just enter number between 10009000  how i can do itthanks

Mudassar · Accepted Answer

lthtml xmlns34httpwwww3org1999xhtml34 gtlthead id34Head134 runat34server34gt    lttitlegtUntitled Pagelttitlegt    ltscript type  34textjavascript34gt        function isNumerickeyCode             var r  keyCode gt 48 ampamp keyCode lt 57  keyCode  8            if r                 alert34Invalid number34                        return r                function ValidateRange             var value  parseIntdocumentgetElementById34lttxtNumericClientIDgt34value            if value lt 1000  value gt 9000                 alert34Please enter number between 1000 and 900034                return false                        return true            ltscriptgt ltheadgtltbodygt    ltform id34form134 runat34server34gt    ltdivgt        ltaspLabel ID34Label134 runat34server34 Text34Numeric34gtltasp

Numeric and Number range validation for TextBox using JavaScript

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