AboutBob Umlas Expertise I`m a Microsoft Excel MVP (Most Valuable Professional) and have been since the inception of the program in 1995. I can answer every kind of Excel question except: API, Importing/exporting to other programs (powerpoint, word,...)
Experience Worked with MS Excel since version 0.99 (on the Mac!). Was contributing editor to Excellence Magazine, having written >300 articles. John Walkenbach said of me "I finally met someone who knows as much about Excel as I do."
Publications Excellence, The Expert, Microsoft
Awards and Honors MVP
Led sessions for the Convergence 2004-2006 seminar on Excel tips & tricks
Question How do I use the lookup function to have a product name and price automatically entered in a sales form when the product ID is entered and leave the cell blank if an error value appears in a cell.
Answer Assuming the range A1:C300 contains the ID, name & price, then if you enter the ID in a cell in the sales form, say K5, then in L5 enter
=IF(ISERROR(VLOOKUP(K5,A1:C300,2,FALSE)),"",VLOOKUP(K5,A1:C300,2,FALSE)) and in M5 enter
=IF(ISERROR(VLOOKUP(K5,A1:C300,3,FALSE)),"",VLOOKUP(K5,A1:C300,3,FALSE))
About Excel
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