Microsoft KB Archive/213379

= XL2000: Error Programmatically Accessing Data Series on a Chart =

Article ID: 213379

Article Last Modified on 11/5/2003

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APPLIES TO


 * Microsoft Excel 2000 Standard Edition

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This article was previously published under Q213379





SYMPTOMS
In Microsoft Excel 2000, when you run a macro that attempts to access a data series on a chart, you may receive the following error message:

Run-time error '1004':

Unable to get the Name property of the Series class.

You may also receive the following error message:

Run-time error '1005':

Unable to set the Value property of the Series class.



CAUSE
This problem occurs when you run a macro that attempts to access a data series that is not visible on a chart, and the chart is a line, xy (scatter), or radar series chart.

The error message appears when the data series is not visible because it has an empty set of y-axis values or has #N/A for all y-axis values. The error that you receive depends on which method you apply to the series, or which property you set or return in the macro.

If you click Options on the Tools menu, then click the Chart tab, and then click Not Plotted (leave gaps), all y-axis values are empty. A macro that accesses the series generates a run-time error.

If all the y-axis values for the series are #N/A, a run-time error appears regardless of the Options dialog box settings.



WORKAROUND
To work around this behavior, use the appropriate method.

Method 1: All Y-Values Are Empty
To make the series visible on the chart, follow these steps:
 * 1) On the Tools menu, click Options.
 * 2) Click the Chart tab. Under Plot empty cells as, verify that the Zero check box is selected, and then click OK.

With the Zero check box selected, empty cells are plotted as zeros.

Method 2: All Y-Values Are #N/A
To work around this behavior, use a formula in the y-axis value cells that returns blank data instead of an error. For example, if the #N/A is the result of the following formula

=VLOOKUP(C1,D2:E5,2)

modify the formula to the following:

=IF(ISERROR(VLOOKUP(C1,D2:E5,2)),"",VLOOKUP(C1,D2:E5,2))

This causes any errors (#N/A, #REF!, and so on) to be returned as blanks. Data points that contain blanks for the y-axis values are displayed as zeros on the chart, and the series is visible. The run-time error does not appear when you access the series programmatically.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: XL2000

Keywords: kberrmsg kbbug kbprogramming kbpending KB213379

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