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Microsoft VBScript runtime (0x800A005E) Invalid use of Null: 'cdbl'

Posted on 2010-09-09
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Last Modified: 2012-06-21
Hi,

I receive the below error message on line 2 of the attached vb script code snippet:

Microsoft VBScript runtime (0x800A005E) Invalid use of Null: 'cdbl'

Do any experts know how I can fix this error? It only seems to flag now and again?

Thanks.
col_num = col_num + 1

col_sum(col_num) = col_sum(col_num) + sign * cdbl(itm.Value)

										if (sign * cdbl(itm.Value)) > 0 then

											fontcolor_st = ""

											fontcolor_et = ""

										else

											fontcolor_st = "<font color=red>"

											fontcolor_et = "</font>"

										end if

										Response.Write "<td class=s1d1_ce_r valign=top >" & fontcolor_st & GetYourFormat(sign * cdbl(itm.Value),number_format) & fontcolor_et & "</td>"

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Question by:aspnet-scotland
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4 Comments
 
LVL 14

Accepted Solution

by:
VBClassicGuy earned 250 total points
ID: 33637687
Maybe itm.Value sometimes is NULL? Might want to check for a valid value before executing the statement. Like:
If itm.Value <> Null Then
   col_sum(col_num) = col_sum(col_num) + sign * cdbl(itm.Value)
End If
0
 

Author Comment

by:aspnet-scotland
ID: 33637767
I also get the error on the first line of the attached if you could help...
if (sign * cdbl(itm.Value)) > 0 then

											fontcolor_st = ""

											fontcolor_et = ""

										else

											fontcolor_st = "<font color=red>"

											fontcolor_et = "</font>"

										end if

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0
 

Author Comment

by:aspnet-scotland
ID: 33638005
I tried the attached but I still get the error?
if (sign * cdbl(itm.Value)) > 0 OR isNull(sign * cdbl(itm.Value)) then

											fontcolor_st = ""

											fontcolor_et = ""

										else

											fontcolor_st = "<font color=red>"

											fontcolor_et = "</font>"

										end if

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LVL 14

Expert Comment

by:VBClassicGuy
ID: 33638147
I think you have to do a check for "not null" on itm.Value all bu itself first, before you evaluate or do anything else. Just like my first example, make sure itm.Value is not null, then procede with your code.
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