Hi,

I want to sum a column on an unbound subform based on a txtbox on the main form, so I entered this

Code:

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Sum(IIf([CheckDate]>=[Forms]![frmStatements]![txtDate] ,[Quantity],0))

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in a textbox on the subform but I get #Error in the txtbox.

So I tried adding # so I get an error "the expression you entered has an invalid date value"?

Any help would be appreciated.

Joe

Try this as the ControlSource of the textbox:

Code:

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=DSum("[Quantity]","tablename","[CheckDate] > #" &
Forms]![frmStatements]![txtDate] & "#")

---

Thanks Scott,

I tried u'r solutions I changed "tablename" to my table name (and that's all I did) and I get the message "The expression you entered contains invalid syntax"

The reason why I don't want to use "Dfunctions" is because its not being constantly updated as records are being entered in the subform unlike the sum iif function.

Any other suggestions you could think of?

Thank you again
Joe.

Any ideas anybody?