How To Use CLng() to Convert Hexadecimal Number back to Decimal in VBScript (279115)

The information in this article applies to:

Microsoft Internet Explorer (Programming) 4.0
Microsoft Internet Explorer (Programming) 4.01
Microsoft Internet Explorer (Programming) 4.01 SP1
Microsoft Internet Explorer (Programming) 4.01 SP2
Microsoft Internet Explorer (Programming) 5
Microsoft Internet Explorer (Programming) 5.01
Microsoft Internet Explorer (Programming) 5.01 SP1
Microsoft Internet Explorer (Programming) 5.5

This article was previously published under Q279115

SUMMARY

In Microsoft Visual Basic Scripting Edition (VBScript), you can use the Hex function to convert a decimal to a hexadecimal number. This article contains sample code that converts 32-bit signed hexadecimal values back to decimal.

MORE INFORMATION

To convert a decimal to a hexadecimal number, use the VBScript Hex function. To convert a hexadecimal number to a decimal, use the VBScript data type conversion functions, CInt and CLng, as follows:

<HTML>
<BODY>

<SCRIPT LANGUAGE="VBScript">

Sub Hex_to_Dec(hex_value)

	MsgBox CLng("&h" & hex_value)

End Sub

</SCRIPT>
Convert Hex to Decimal:<BR>
<INPUT TYPE="text" ID="text1" NAME="text1" maxlength=8 size=8>
<INPUT TYPE="button" value="Button" ID="button1" NAME="button1" onclick="hex_to_dec(text1.value)">

</BODY>
</HTML>

REFERENCES

For more information on the Hex function, see the following Microsoft Developer Network (MSDN) Web site:

http://msdn.microsoft.com/scripting/default.htm?/scripting/vbscript/doc/vsfctHex.htm

For more information on the CLng function, see the following MSDN Web site:

http://msdn.microsoft.com/scripting/default.htm?/scripting/vbscript/doc/vsfctclng.htm

For more information about developing Web-based solutions for Microsoft Internet Explorer, visit the following Microsoft Web sites:

http://msdn.microsoft.com/ie/

http://support.microsoft.com/iep

Modification Type:	Major	Last Reviewed:	5/11/2006
Keywords:	kbhowto kbScript KB279115