DEV master-slave table, dev master-slave table

DEV master-slave table, dev master-slave table

1. Hide the tables in the Master/Slave tables tab.

Hidden when the main table content does not include a sub-table, the plus icon of the master-slave table. The result is as follows.

Implementation Code

Private void gvMain_CustomDrawCell (object sender, DevExpress. xtraGrid. views. base. rowCellCustomDrawEventArgs e) {if (gvMain. isMasterRowEmpty (e. rowHandle) = true & e. column. visibleIndex = 0) {var ce = (DevExpress. xtraGrid. views. grid. viewInfo. gridCellInfo) (e. cell); ce. cellButtonRect = Rectangle. fromLTRB (0, 0, 0, 0 );}}