How is the best to do a multi column lookup?  What I want to do is have 4 var 
edits on a form that each correspond to a column in a table as follows:

Col1(var1), Col2(var2), Col3(var3), Col4(var4)  in each variable the user has 
the option to but in a value or leave it null and then I want to be able to 
lookup matches(where the column contains the value) and pulls up rows from the 
table.  I know I could do multiple IFs and THENs but is there an easier way

Tom Hart

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