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Bug Report T1279356
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DataGrid - Grouped rows disappear when scrolling horizontally with `columnRenderingMode` set to virtual and a group column fixed

created 4 days ago (modified 3 days ago)

Example: https://codepen.io/16adianay/pen/QwWKveW?editors=1010

Steps to reproduce:

  1. Open the attached demo;
  2. Scroll DataGrid horizontally.

Current results: Grouped rows disappear at some point.

Expected results: Grouped rows are visible while scrolling.

Additional information: Everything works correctly in v24.1: DataGrid - Fixed Column.

Workaround:

Use legacy column fixing:

JavaScript
DevExpress.ui.dxDataGrid.defaultOptions({ 
  options: {
      columnFixing: {
           legacyMode: true
      }
  }
});
//
// modular ->
import DataGrid, { Properties } from "devextreme/ui/data_grid";

DataGrid.defaultOptions({ 
  options: {
      columnFixing: {
           legacyMode: true
      }
  }
});
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