Error Inside Excel 2003
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expression) returns an error, and if so, returns a second supplied argument; Otherwise the function returns the initial value.Note: the Iferror function is new to Excel 2007, so is not available in earlier versions of Excel.The syntax of the function is:IFERROR( value, value_if_error )Where the arguments are
Excel Iferror Else
as follows:value-The initial value or expression that should be testedvalue_if_error-The value or expression to iferror excel 2003 be returned if the supplied value argument returns an error.Iferror Function Example 1The following spreadsheet shows two simple examples of the iferror vlookup excel 2010 Excel Iferror function.Formulas:ABC112=IFERROR( A1 / B1, 0 )210=IFERROR( A2 / B2, 0 )Results:ABC1120.5 - A1 / B1 produces no error so result 0.5 is returned2100 - A2 / B2 produces an error so the alternative value https://support.microsoft.com/en-us/kb/292471 0 is returnedNote that:In the first example (in cell C1), the value argument, A1/B1 returns the value 0.5. This is not an error and so this value is returned by the Iferror function.In the second example (in cell C2), the value argument, A2/B2 returns the DIV/0! error. Therefore, the Iferror function returns the value_if_error argument, which is 0.Iferror and Vlookup - Improvement Compared to Excel 2003The Excel Iferror function was introduced http://www.excelfunctions.net/Excel-Iferror.html in Excel 2007.Previously, in Excel 2003, many users of the Excel Vlookup function would combine this with the If function and the Iserror function, to test for an error, and return an appropriate result. This is shown in the following formula:IF( ISERROR( VLOOKUP( ... ) ), "not found", VLOOKUP( ... ) )the above formula checks if the Vlookup function returns an error, and if so, returns the text "not found". Otherwise the value returned by the Vlookup is returned.Although this formula is long and inefficient (as it requires 2 separate calls to the Vlookup function), it is useful because it helps to keep your spreadsheet cells tidy and free from error messages.In Excel 2007 (and later versions of Excel), the above action can be performed much more efficiently and neatly, by using the Iferror function. The new formula is written as:IFERROR( VLOOKUP( ... ), "not found" )An example of this is provided below.Iferror Function Example 2The following spreadsheet shows two further examples of the Excel Iferror function. The formulas are shown in the top spreadsheet and the results are shown in the spreadsheet below.Formulas:ABCD1Lookup ListJim's Class:=IFERROR( VLOOKUP( "Jim", A2:B6, 2, FALSE ), "not found" )2BethClass 1Mary's Class:=IFERROR( VLOOKUP( "Mary", A2:B6, 2, FALSE ), "not found" )3BobClass 24AlfClass 25JimClass 36AnnClass 3Results:ABCD1Lookup ListJim'
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