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Your condition should look like:<br />
DATEA = . And DATEB &lt;&gt;&nbsp;.<br />
<br />
What's the error you are getting? What does your code look like now?<br />

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Your condition should look like:
DATEA = . And DATEB <> .

What's the error you are getting? What does your code look like now?


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I am sorry, I formatted the dates so when I did a proc contents they are defined as:<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Char &nbsp; len 10<br />
<br />
I formatted the dates as MMDDYY10.
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I am sorry, I formatted the dates so when I did a proc contents they are defined as:

         Char   len 10

I formatted the dates as MMDDYY10.

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My problem does not seem to be with the missing data. &nbsp;It is when I have a date in the field<br />
i.e. 12/10/2011 that I am getting an error message <br />
<br />
'12'/10/2011' &nbsp; Invalid numeric data
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My problem does not seem to be with the missing data.  It is when I have a date in the field
i.e. 12/10/2011 that I am getting an error message

'12'/10/2011'   Invalid numeric data

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could you please post your code and log? 
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<div class="content wysiwyg-content">
I have two date fields in SAS &nbsp; DATEA and DATEB. &nbsp;Both fields may be empty of both fields may have a date.<br />
<br />
Is there a way to check of DATEA is missing and DATEB is not missing to Set FIELDC = 'Y'?<br />
<br />
I am having a problem checking a date field for a missing value.
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I have two date fields in SAS   DATEA and DATEB.  Both fields may be empty of both fields may have a date.

Is there a way to check of DATEA is missing and DATEB is not missing to Set FIELDC = 'Y'?

I am having a problem checking a date field for a missing value.

Is there a way to check a date field in SAS for a missing date

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