Validation By Control ASP.Net

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<%@ Page Language=VB Debug=true %>


Using a RegularExpressionValidator Control to Prevent the Entry of a Special Character





Enter a value that does not include the ' character:

    id="txtValue" 
    runat=server 
/>
    id="regZipCode"
    controltovalidate="txtValue"
    validationexpression="[^']*"
    display="Dynamic"
    font-name="Arial" 
    font-size="11"
    runat=server
>
    You must not use the ' character.




    id="butOK"
    text="OK"
    type="Submit"
    runat="server"
/>