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Searching for empty cells and changing values
I have a worksheet that contains sample results for chemical analysis.
Not all analytes are analyzed each time, thus some of the cells are empty. To make the graphs more usable, I want to search the data range for empty cells and place =NA() in them so that the trend lines and continuous. Here's what I have been trying... For Each cl In Worksheets("Data").Range("A2:AC" & LastRowUsed).Cells If cl.Value = "" Then cl.Value = "=NA()" End If Next Each time I have tried this, the code errors out on me when it reaches a cell that already has the value set to =NA(). Is there a better approach to what I'm attempting, perhaps a way to set a command to do the entire range at once, instead of evaluating each cell? Thanks in advance, and HAPPY HALLOWEEN. |
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#3
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Searching for empty cells and changing values
Hi,
Test for an error For Each cl In Worksheets("Data").Range("A2:AC" & 5).Cells If Not IsError(cl.Value) Then If cl.Value = "" Then cl.Value = "=NA()" End If End If Next Mike "PosseJohn" wrote: I have a worksheet that contains sample results for chemical analysis. Not all analytes are analyzed each time, thus some of the cells are empty. To make the graphs more usable, I want to search the data range for empty cells and place =NA() in them so that the trend lines and continuous. Here's what I have been trying... For Each cl In Worksheets("Data").Range("A2:AC" & LastRowUsed).Cells If cl.Value = "" Then cl.Value = "=NA()" End If Next Each time I have tried this, the code errors out on me when it reaches a cell that already has the value set to =NA(). Is there a better approach to what I'm attempting, perhaps a way to set a command to do the entire range at once, instead of evaluating each cell? Thanks in advance, and HAPPY HALLOWEEN. |
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#4
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Searching for empty cells and changing values
OOPS I changed you variable LastRowUsed to a number to save me from
populating it so change it back "Mike H" wrote: Hi, Test for an error For Each cl In Worksheets("Data").Range("A2:AC" & 5).Cells If Not IsError(cl.Value) Then If cl.Value = "" Then cl.Value = "=NA()" End If End If Next Mike "PosseJohn" wrote: I have a worksheet that contains sample results for chemical analysis. Not all analytes are analyzed each time, thus some of the cells are empty. To make the graphs more usable, I want to search the data range for empty cells and place =NA() in them so that the trend lines and continuous. Here's what I have been trying... For Each cl In Worksheets("Data").Range("A2:AC" & LastRowUsed).Cells If cl.Value = "" Then cl.Value = "=NA()" End If Next Each time I have tried this, the code errors out on me when it reaches a cell that already has the value set to =NA(). Is there a better approach to what I'm attempting, perhaps a way to set a command to do the entire range at once, instead of evaluating each cell? Thanks in advance, and HAPPY HALLOWEEN. |
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#5
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Searching for empty cells and changing values
Thanks Mike.
"Mike H" wrote: OOPS I changed you variable LastRowUsed to a number to save me from populating it so change it back "Mike H" wrote: Hi, Test for an error For Each cl In Worksheets("Data").Range("A2:AC" & 5).Cells If Not IsError(cl.Value) Then If cl.Value = "" Then cl.Value = "=NA()" End If End If Next Mike "PosseJohn" wrote: I have a worksheet that contains sample results for chemical analysis. Not all analytes are analyzed each time, thus some of the cells are empty. To make the graphs more usable, I want to search the data range for empty cells and place =NA() in them so that the trend lines and continuous. Here's what I have been trying... For Each cl In Worksheets("Data").Range("A2:AC" & LastRowUsed).Cells If cl.Value = "" Then cl.Value = "=NA()" End If Next Each time I have tried this, the code errors out on me when it reaches a cell that already has the value set to =NA(). Is there a better approach to what I'm attempting, perhaps a way to set a command to do the entire range at once, instead of evaluating each cell? Thanks in advance, and HAPPY HALLOWEEN. |
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#6
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Searching for empty cells and changing values
your welcome "PosseJohn" wrote: Thanks Mike. "Mike H" wrote: OOPS I changed you variable LastRowUsed to a number to save me from populating it so change it back "Mike H" wrote: Hi, Test for an error For Each cl In Worksheets("Data").Range("A2:AC" & 5).Cells If Not IsError(cl.Value) Then If cl.Value = "" Then cl.Value = "=NA()" End If End If Next Mike "PosseJohn" wrote: I have a worksheet that contains sample results for chemical analysis. Not all analytes are analyzed each time, thus some of the cells are empty. To make the graphs more usable, I want to search the data range for empty cells and place =NA() in them so that the trend lines and continuous. Here's what I have been trying... For Each cl In Worksheets("Data").Range("A2:AC" & LastRowUsed).Cells If cl.Value = "" Then cl.Value = "=NA()" End If Next Each time I have tried this, the code errors out on me when it reaches a cell that already has the value set to =NA(). Is there a better approach to what I'm attempting, perhaps a way to set a command to do the entire range at once, instead of evaluating each cell? Thanks in advance, and HAPPY HALLOWEEN. |
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#7
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Searching for empty cells and changing values
I think you could do this without a loop using a single statement...
Worksheets("Data").Range("A2:AC" & LastRowUsed). _ SpecialCells(xlCellTypeBlanks).Formula="=NA()" -- Rick (MVP - Excel) "Mike H" wrote in message ... OOPS I changed you variable LastRowUsed to a number to save me from populating it so change it back "Mike H" wrote: Hi, Test for an error For Each cl In Worksheets("Data").Range("A2:AC" & 5).Cells If Not IsError(cl.Value) Then If cl.Value = "" Then cl.Value = "=NA()" End If End If Next Mike "PosseJohn" wrote: I have a worksheet that contains sample results for chemical analysis. Not all analytes are analyzed each time, thus some of the cells are empty. To make the graphs more usable, I want to search the data range for empty cells and place =NA() in them so that the trend lines and continuous. Here's what I have been trying... For Each cl In Worksheets("Data").Range("A2:AC" & LastRowUsed).Cells If cl.Value = "" Then cl.Value = "=NA()" End If Next Each time I have tried this, the code errors out on me when it reaches a cell that already has the value set to =NA(). Is there a better approach to what I'm attempting, perhaps a way to set a command to do the entire range at once, instead of evaluating each cell? Thanks in advance, and HAPPY HALLOWEEN. |
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