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Grids: Add headerFilter.groupInterval number[] Info#8919

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Grids: Add headerFilter.groupInterval number[] Info#8919
arman-boyakhchyan wants to merge 1 commit into
DevExpress:26_1from
arman-boyakhchyan:grids-headerfilter-groupinterval-num-arr-updates-26-1

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@arman-boyakhchyan arman-boyakhchyan self-assigned this Jun 24, 2026
Copilot AI review requested due to automatic review settings June 24, 2026 06:57

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Pull request overview

This PR updates DevExtreme DataGrid/TreeList documentation to clarify that headerFilter.groupInterval can accept arrays that include numbers, not only strings, especially in the context of hierarchical header filters.

Changes:

  • Updated the hierarchical header filter tutorial to mention string/number arrays for groupInterval.
  • Updated groupInterval API reference text (Common Types, DataGrid, TreeList) to mention arrays of strings or numbers for custom header filter data sources.
  • Kept existing numeric/date groupInterval guidance intact while expanding array-related wording.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

File Description
concepts/05 UI Components/DataGrid/75 Implement a Hierarchical Header Filter/05 Configure the Header Filter.md Adjusts tutorial wording around groupInterval array types.
api-reference/40 Common Types/15 grids/ColumnHeaderFilter/groupInterval.md Expands API reference text to mention string/number arrays in the custom data source scenario.
api-reference/10 UI Components/dxTreeList/1 Configuration/columns/headerFilter/groupInterval.md Same clarification for TreeList column header filter groupInterval.
api-reference/10 UI Components/dxDataGrid/1 Configuration/columns/headerFilter/groupInterval.md Same clarification for DataGrid column header filter groupInterval.

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