unigui dbgrid selected row

[azago]

 

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I need on a single grid (not on all project grids) not to show the background colors of the selected row

I Use
Delphi Rio
Unigui v1.90.0.1498
Theme uni_sencha

I have also modified the values of beforeinit in the grid

function beforeInit(sender, config)
{
   sender.disableSelection = true;
}

I tried to execute the commands

OnCreate
   MyGrid.JSInterface.JSCallGlobal('Ext.util.CSS.createStyleSheet', ['#'+ MyGrid.JSName + '_id .x-grid-row-selected .x-grid-cell-inner {  background-color:white;  color: black;}', MyGrid.JSName + '_css' ]);


On Destroy
   MyGrid.JSInterface.JSCallGlobal('Ext.util.CSS.removeStyleSheet', [ MyGrid.JSName+'_css' ]);


but the result is that the first cell is always with a colored background.



How can I do ?