topic mandatory fields in Application Development and Automation Discussions https://community.sap.com/t5/application-development-and-automation-discussions/mandatory-fields/m-p/4766525#M1117299 <HTML><HEAD></HEAD><BODY><P>I am coding a dialog program, where one of screens has mandatory fields.... However If i press BACK with out filling these field, the previous screen should be displayed,how can i do that....</P></BODY></HTML> Tue, 11 Nov 2008 17:25:40 GMT SG141 2008-11-11T17:25:40Z mandatory fields https://community.sap.com/t5/application-development-and-automation-discussions/mandatory-fields/m-p/4766525#M1117299 <HTML><HEAD></HEAD><BODY><P>I am coding a dialog program, where one of screens has mandatory fields.... However If i press BACK with out filling these field, the previous screen should be displayed,how can i do that....</P></BODY></HTML> Tue, 11 Nov 2008 17:25:40 GMT https://community.sap.com/t5/application-development-and-automation-discussions/mandatory-fields/m-p/4766525#M1117299 SG141 2008-11-11T17:25:40Z Re: mandatory fields https://community.sap.com/t5/application-development-and-automation-discussions/mandatory-fields/m-p/4766526#M1117300 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>You need to use the AT-Exit Command here.</P><P></P><P>The Function Code Attached with your BACK Button in your GUI Status should be of type "E".</P><P></P><P>When a Type E function Code is fired, Control goes straight to the Module with AT-Exit Command in the PAI event.</P><P></P><P> For Eg:</P><P></P><P>Your BACK Button is of function type "E".</P><P></P><P>PROCESS AFTER INPUT.</P><P> MODULE BACK AT EXIT-COMMAND.</P><P> MODULE EXECUTE2.</P><P></P><P></P><P></P><P></P><P>MODULE BACK INPUT.</P><P> MESSAGE I888(BCTRAIN) WITH TEXT-002 OK_CODE INPUT1 INPUT2.</P><P> IF OK_CODE = 'BACK'.</P><P> CLEAR: OK_CODE, INPUT1, INPUT2.</P><P> LEAVE TO SCREEN 100.</P><P> ENDIF.</P><P>ENDMODULE.</P><P></P><P></P><P>Refer to:</P><P></P><P><A href="http://help.sap.com/saphelp_NW04/helpdata/en/9f/dbaa9535c111d1829f0000e829fbfe/content.htm" target="test_blank">http://help.sap.com/saphelp_NW04/helpdata/en/9f/dbaa9535c111d1829f0000e829fbfe/content.htm</A></P></BODY></HTML> Tue, 11 Nov 2008 17:39:54 GMT https://community.sap.com/t5/application-development-and-automation-discussions/mandatory-fields/m-p/4766526#M1117300 Former Member 2008-11-11T17:39:54Z