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Adding & Subtracting Recordsets using string

Posted on 2007-04-11
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Last Modified: 2012-05-05
I have created some recordsets that hold information.
I now need to add (or subtract) values in the recordsets dependent on values in a particular field.
I am getting a runtime error.
The following is my code:

strGLMTH = "rst2e.Fields('GLmth').Value"

If rst2d.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH & " + rst2d.Fields('GLmth').Value"
Else
strGLMTH = strGLMTH & " - rst2d.Fields('GLmth').Value"
End If

If rst2c.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH & " + rst2c.Fields('GLmth').Value"
Else
strGLMTH = strGLMTH & " - rst2c.Fields('GLmth').Value"
End If

If rst2b.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH & " + rst2b.Fields('GLmth').Value"
Else
strGLMTH = strGLMTH & " - rst2b.Fields('GLmth').Value"
End If

If rst2a.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH & " + rst2a.Fields('GLmth').Value"
Else
strGLMTH = strGLMTH & " - rst2a.Fields('GLmth').Value"
End If
MsgBox strGLMTH

rstZFPR.Fields("GLmth").Value = strGLMTH

Is there a way I can get Access (VB) to do the resultant equation that the string (strGLMTH) compiles?
FYI The message box gives the correct string.

Any help would be great
:-)
0
Comment
Question by:martywal
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5 Comments
 
LVL 53

Accepted Solution

by:
Ryan Chong earned 700 total points
ID: 18888350
try this..


strGLMTH = val(rst2e.Fields('GLmth').Value)

If rst2d.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH  + val(rst2d.Fields('GLmth').Value)
Else
strGLMTH = strGLMTH - val(rst2d.Fields('GLmth').Value)
End If

If rst2c.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH + val(rst2c.Fields('GLmth').Value)
Else
strGLMTH = strGLMTH  - val(rst2c.Fields('GLmth').Value)
End If

If rst2b.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH + val(rst2b.Fields('GLmth').Value)
Else
strGLMTH = strGLMTH  - val(rst2b.Fields('GLmth').Value)
End If

If rst2a.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH + val(rst2a.Fields('GLmth').Value)
Else
strGLMTH = strGLMTH  - val(rst2a.Fields('GLmth').Value)
End If
MsgBox strGLMTH

rstZFPR.Fields("GLmth").Value = strGLMTH
0
 
LVL 53

Assisted Solution

by:Ryan Chong
Ryan Chong earned 700 total points
ID: 18888456
you may try use " instead of ' , like:


strGLMTH = val(rst2e.Fields("GLmth").Value)

If rst2d.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH  + val(rst2d.Fields("GLmth").Value)
Else
strGLMTH = strGLMTH - val(rst2d.Fields("GLmth").Value)
End If

If rst2c.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH + val(rst2c.Fields("GLmth").Value)
Else
strGLMTH = strGLMTH  - val(rst2c.Fields("GLmth").Value)
End If

If rst2b.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH + val(rst2b.Fields("GLmth").Value)
Else
strGLMTH = strGLMTH  - val(rst2b.Fields("GLmth").Value)
End If

If rst2a.Fields("SourceSystem").Value = "SYS" Then
strGLMTH = strGLMTH + val(rst2a.Fields("GLmth").Value)
Else
strGLMTH = strGLMTH  - val(rst2a.Fields("GLmth").Value)
End If
MsgBox strGLMTH

rstZFPR.Fields("GLmth").Value = strGLMTH
0
 
LVL 14

Assisted Solution

by:bluelizard
bluelizard earned 300 total points
ID: 18888516
use the eval function: for example:

  Eval("1 + 1")

returns 2.


--bluelizard
0
 

Author Comment

by:martywal
ID: 18897665
Sorry Guys,
Forgot I'd posted this.
I ended up not using a string as I couldn't get it to work.
It looked like this:

rstZFPR.Fields("GLmth").Value = rst2e.Fields("GLmth").Value

If rst2d.Fields("SourceSystem").Value = "SYS" Then
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value + rst2d.Fields("GLmth").Value
Else
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value - rst2d.Fields("GLmth").Value
End If

If rst2c.Fields("SourceSystem").Value = "SYS" Then
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value + rst2c.Fields("GLmth").Value
Else
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value - rst2c.Fields("GLmth").Value
End If

If rst2b.Fields("SourceSystem").Value = "SYS" Then
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value + rst2b.Fields("GLmth").Value
Else
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value - rst2b.Fields("GLmth").Value
End If

If rst2a.Fields("SourceSystem").Value = "SYS" Then
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value + rst2a.Fields("GLmth").Value
Else
rstZFPR.Fields("GLmth").Value = rstZFPR.Fields("GLmth").Value - rst2a.Fields("GLmth").Value
End If

Will split points
0
 

Author Comment

by:martywal
ID: 18897678
I ended up finding that could add recordsets using a string such as this.
THanks for help
Martywal
0

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