hai friends..
I have the following code which should the user to enter only alphabetic characters...bu t this program...allow user to enter { } [ ]|\`~ characters also..how to avoid that.........
[code=asp]
<%@ Page Language="vb" AutoEventWireup ="false" Codebehind="cha racter.aspx.vb" Inherits="god.c haracter"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>characte r</title>
<meta content="Micros oft Visual Studio .NET 7.1" name="GENERATOR ">
<meta content="Visual Basic .NET 7.1" name="CODE_LANG UAGE">
<meta content="JavaSc ript" name="vs_defaul tClientScript">
<meta content="http://schemas.microso ft.com/intellisense/ie5" name="vs_target Schema">
<script type="text/javascript">fun ction AllowCharacters (e)
{
var keycode;
if (window.event) keycode = window.event.ke yCode;
else if (event) keycode = event.keyCode;
else if (e) keycode = e.which;
else return true;
if((keycode >= 65 && kecode <= 90) || (keycode >= 97 && keycode <= 122))
{
return true;
}
else
{
return false;
}
return false;
}
</script>
</HEAD>
<body MS_POSITIONING= "GridLayout ">
<form id="Form1" method="post" runat="server">
<asp:Textbox id="text1" runat="server" onpaste="return false;" onkeypress="ret urn AllowCharacters (this);" />
</form>
</body>
</HTML>
[/code]
Please refer the ascii table in the following link
please Help me....
I have the following code which should the user to enter only alphabetic characters...bu t this program...allow user to enter { } [ ]|\`~ characters also..how to avoid that.........
[code=asp]
<%@ Page Language="vb" AutoEventWireup ="false" Codebehind="cha racter.aspx.vb" Inherits="god.c haracter"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>characte r</title>
<meta content="Micros oft Visual Studio .NET 7.1" name="GENERATOR ">
<meta content="Visual Basic .NET 7.1" name="CODE_LANG UAGE">
<meta content="JavaSc ript" name="vs_defaul tClientScript">
<meta content="http://schemas.microso ft.com/intellisense/ie5" name="vs_target Schema">
<script type="text/javascript">fun ction AllowCharacters (e)
{
var keycode;
if (window.event) keycode = window.event.ke yCode;
else if (event) keycode = event.keyCode;
else if (e) keycode = e.which;
else return true;
if((keycode >= 65 && kecode <= 90) || (keycode >= 97 && keycode <= 122))
{
return true;
}
else
{
return false;
}
return false;
}
</script>
</HEAD>
<body MS_POSITIONING= "GridLayout ">
<form id="Form1" method="post" runat="server">
<asp:Textbox id="text1" runat="server" onpaste="return false;" onkeypress="ret urn AllowCharacters (this);" />
</form>
</body>
</HTML>
[/code]
Please refer the ascii table in the following link
please Help me....
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