https://community.qlik.com/t5/QlikView/Expression-from-fields/m-p/1806399#M1212145 <P>Hi all,</P><P>I have these fields as an example:</P><P><STRONG>Field_a</STRONG></P><P>1</P><P>2</P><P>3</P><P><STRONG>Field_b_1</STRONG></P><P>4</P><P>5</P><P>6</P><P><STRONG>Field_b_2</STRONG></P><P>5</P><P>6</P><P>7</P><P><STRONG>Field_b</STRONG></P><P>Field_b_1</P><P>Field_b_2</P><P>&nbsp;</P><P>I want to create Field_c with the following expressions:</P><P><STRONG>Field_c</STRONG></P><P>=Field_a*Field_b_1</P><P>=Field_a*Field_b_2</P><P>&nbsp;</P><P>Later I need in chart expression the value of Field_c (pre-defined expression). (by selecting Field_b_1 in Field_b, the related expression in Field_c should be computed).</P><P>How can I generate Field_c <STRONG>and</STRONG> how the expression in Field_c can be recignized in chart expression (by selecting Field_b_1 or Field_b_2 from Field_b) ?<BR /><BR />Any help please?<BR /><BR />Thanks in advance.</P> Sun, 09 May 2021 12:48:48 GMT AmCh 2021-05-09T12:48:48Z https://community.qlik.com/t5/QlikView/Expression-from-fields/m-p/1806399#M1212145 <P>Hi all,</P><P>I have these fields as an example:</P><P><STRONG>Field_a</STRONG></P><P>1</P><P>2</P><P>3</P><P><STRONG>Field_b_1</STRONG></P><P>4</P><P>5</P><P>6</P><P><STRONG>Field_b_2</STRONG></P><P>5</P><P>6</P><P>7</P><P><STRONG>Field_b</STRONG></P><P>Field_b_1</P><P>Field_b_2</P><P>&nbsp;</P><P>I want to create Field_c with the following expressions:</P><P><STRONG>Field_c</STRONG></P><P>=Field_a*Field_b_1</P><P>=Field_a*Field_b_2</P><P>&nbsp;</P><P>Later I need in chart expression the value of Field_c (pre-defined expression). (by selecting Field_b_1 in Field_b, the related expression in Field_c should be computed).</P><P>How can I generate Field_c <STRONG>and</STRONG> how the expression in Field_c can be recignized in chart expression (by selecting Field_b_1 or Field_b_2 from Field_b) ?<BR /><BR />Any help please?<BR /><BR />Thanks in advance.</P> Sun, 09 May 2021 12:48:48 GMT https://community.qlik.com/t5/QlikView/Expression-from-fields/m-p/1806399#M1212145 AmCh 2021-05-09T12:48:48Z