topic Explain this syntax? in QlikView https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768458#M272901 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P> </P><P><SPAN style="font-size: 8pt;"><SPAN style="color: #000000;">ISNULL(Fieldname) &lt;&gt; -1&nbsp;&nbsp; means what?</SPAN> </SPAN></P><P></P><P><SPAN style="font-size: 8pt;"> </SPAN></P><P><BR /> </P></BODY></HTML> Mon, 23 Mar 2015 12:10:29 GMT 2015-03-23T12:10:29Z Explain this syntax? https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768458#M272901 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P> </P><P><SPAN style="font-size: 8pt;"><SPAN style="color: #000000;">ISNULL(Fieldname) &lt;&gt; -1&nbsp;&nbsp; means what?</SPAN> </SPAN></P><P></P><P><SPAN style="font-size: 8pt;"> </SPAN></P><P><BR /> </P></BODY></HTML> Mon, 23 Mar 2015 12:10:29 GMT https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768458#M272901 2015-03-23T12:10:29Z Re: Explain this syntax? https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768459#M272902 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #000000; font-size: 8pt;">ISNULL(Fieldname) &lt;&gt; -1 </SPAN></P><P><SPAN style="color: #000000; font-size: 8pt;">ISNULL(Fieldname) &lt;&gt; TRUE()</SPAN></P><P><SPAN style="color: #000000; font-size: 8pt;">ISNULL(Fieldname) = FALSE()</SPAN></P><P><SPAN style="color: #000000; font-size: 8pt;">NOT ISNULL(Fieldname)</SPAN></P><P></P><P><SPAN style="color: #000000; font-size: 8pt;">Means if Fieldname is not null</SPAN></P></BODY></HTML> Mon, 23 Mar 2015 12:13:48 GMT https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768459#M272902 luciancotea 2015-03-23T12:13:48Z Re: Explain this syntax? https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768460#M272903 <HTML><HEAD></HEAD><BODY><P>-1 corresponds to the value <EM>true</EM>.</P><P></P><P>The expression equals:</P><P></P><P>IsNull(FiueldName) &lt;&gt; true()</P></BODY></HTML> Mon, 23 Mar 2015 12:15:36 GMT https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768460#M272903 Peter_Cammaert 2015-03-23T12:15:36Z Re: Explain this syntax? https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768461#M272904 <HTML><HEAD></HEAD><BODY><P>Take text-box &amp; put =<SPAN style="color: #000000; font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 10.6666688919067px;">ISNULL(Fieldname)</SPAN></P><P>If result is -1 then it states field contains Null values else if returned result is 0 then not null..</P></BODY></HTML> Mon, 23 Mar 2015 12:19:51 GMT https://community.qlik.com/t5/QlikView/Explain-this-syntax/m-p/768461#M272904 2015-03-23T12:19:51Z