troubleshooting Question

DSum Criteria

Avatar of SteveL13
SteveL13Flag for United States of America asked on
Microsoft Access
9 Comments1 Solution265 ViewsLast Modified:
I have the following code in a control source for a form field.

=DSum("[QTY_ORDERED]","tblInventory","[PART_NO] = '" & [Forms]![frmParts]![txtPART_NO] & "'")

But I need to change it to include criteria like AND [TRNX_CODE} = "I" or "O"

I tried this but it doesn't work:

= DSum("[QTY_ORDERED]", "tblInventory", "[PART_NO] = '" & Forms![frmParts]![txtPART_NO] & "'" AND [TRNX_TYPE] = "'" I "'" OR "'"O"'"

What am I doing wrong?
Sr. System Analyst

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