topic How to use 'null' in expressions in QlikView https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260181#M581500 <HTML><HEAD></HEAD><BODY><P>i want to do the same thing as you here, where about do you put that expression?</P><P></P><P>Thanks</P></BODY></HTML> Tue, 10 Jan 2012 10:27:50 GMT 2012-01-10T10:27:50Z How to use 'null' in expressions https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260179#M581498 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I want to hide a chart when a field has no selection, but I have no idea what the 'null'-selection in qlikview is. The one I mention below is not working. Can someone help?</P><P></P><P>=(GetCurrentSelections(CS_ChartSelection)) NOT NULL)</P><P></P><P>Thxs</P><P></P><P>Steven</P></BODY></HTML> Mon, 09 Jan 2012 14:30:47 GMT https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260179#M581498 2012-01-09T14:30:47Z How to use 'null' in expressions https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260180#M581499 <HTML><HEAD></HEAD><BODY><P>try</P><P></P><P>=GetSelectedCount( CS_ChartSelection )</P></BODY></HTML> Mon, 09 Jan 2012 14:53:36 GMT https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260180#M581499 swuehl 2012-01-09T14:53:36Z How to use 'null' in expressions https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260181#M581500 <HTML><HEAD></HEAD><BODY><P>i want to do the same thing as you here, where about do you put that expression?</P><P></P><P>Thanks</P></BODY></HTML> Tue, 10 Jan 2012 10:27:50 GMT https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260181#M581500 2012-01-10T10:27:50Z How to use 'null' in expressions https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260182#M581501 <HTML><HEAD></HEAD><BODY><P>Hey,</P><P></P><P>I looked around on this forum before I saw the reply of swuehl and I used this solution:</P><P></P><P>(len(CS_ChartSelection)=0)</P><P></P><P>worked as a charm <IMG src="https://community.qlik.com/legacyfs/online/emoticons/happy.png" /></P></BODY></HTML> Tue, 10 Jan 2012 10:35:25 GMT https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260182#M581501 2012-01-10T10:35:25Z How to use 'null' in expressions https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260183#M581502 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>&nbsp;&nbsp;&nbsp;&nbsp; you can try using this also.</P><P></P><P>&nbsp;&nbsp;&nbsp;&nbsp; IsNull(GetFieldSelections(<SPAN style="color: #636363; font-family: Arial; font-size: 12px; background-color: #eef4f9;">CS_ChartSelection))</SPAN></P><P></P><P>&nbsp;&nbsp;&nbsp;&nbsp; IsNull is the equivalent qlikview method to use 'null' values in expression.</P><P></P><P>Regards</P><P>Rajan</P></BODY></HTML> Tue, 10 Jan 2012 11:18:29 GMT https://community.qlik.com/t5/QlikView/How-to-use-null-in-expressions/m-p/260183#M581502 2012-01-10T11:18:29Z