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Onkeypress event Javascript spacekey event Validation for (Integers, Spaces) Textbox.

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Validates Numericals in a text box.

Validates spaces in a text box.

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  1. <script language=Javascript>
  2.  
  3.       function isSpaceKey(evt)
  4.       {
  5.          var charCode = (evt.which) ? evt.which : event.keyCode
  6.          if ((charCode == 32))
  7.              {
  8.               alert("Spaces are not allowed");
  9.               return true;
  10.              }
  11.          else ((charCode >= 47 && charCode <= 58))
  12.                  {
  13.                      alert("Numerics are not allowed");
  14.                      return true;
  15.                  }
  16.          return true;
  17.       }
  18.  
  19.    </script>
  20.  
  21.  <script language=Javascript>
  22.  
  23.       function isAlphaKey(evt)
  24.       {
  25.          var charCode = (evt.which) ? evt.which : event.keyCode
  26.          if ((charCode >= 47 && charCode <= 58))
  27.              {
  28.               alert("Enter Numeric Values");
  29.               return true;
  30.              }
  31.          return true;
  32.       }
  33.  
  34.    </script>

URL: http://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes

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