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How to display the group header based on the column name in WPF DataGrid (SfDataGrid)?

Platform: WPF |
Control: SfDataGrid |
.NET Framework: 4.5
Tags: grouping

The group header name is displayed only based on the grouped column header name. In order to display group Header name based on the other column, you need to customize the GridCaptionSummaryCellRenderer and override the OnInitializeEditElement and OnUpdateEditBinding methods in WPF DataGrid (SfDataGrid).

Refer the below code example in which CustomCaptionSummaryCellRenderer class extended from GridCaptionSummaryCellRenderer and the column text based on other columns is obtained by passing the other column’s mapping name to the GetCustomizedCaptionText parameters to achieve the desired outcome.


public class CustomCaptionSummaryCellRenderer : GridCaptionSummaryCellRenderer
    /// <summary>
    /// Method to Update the CaptionSummaryCell.
    /// </summary>
    public override void OnUpdateEditBinding(DataColumnBase dataColumn, GridCaptionSummaryCell element, object dataContext)
        if (element.DataContext is Group && this.DataGrid.View.GroupDescriptions.Count > 0)
            string groupName = string.Empty;
            string groupText = string.Empty;
            var groupRecord = element.DataContext as Group;
            //get the column which is grouped.
            var groupedColumn = this.GetGroupedColumn(groupRecord);
            var groupRecords = (groupRecord.Details as GroupRecordEntry).Records;
            var groupData = (groupRecords[0] as RecordEntry).Data;
            if (groupedColumn.MappingName == "EmployeeID")
                groupName = (groupData as BusinessObjects).EmployeeName;
                groupText = "Employee Name";
                groupName = groupRecord.Key.ToString();
                groupText = groupedColumn.HeaderText;
            if (this.DataGrid.CaptionSummaryRow == null)
                if (this.DataGrid.View.GroupDescriptions.Count < groupRecord.Level)
                //set the captionsummary text as customized.
                element.Content = GetCustomizedCaptionText(groupText, groupName, groupRecord.ItemsCount);
            else if (this.DataGrid.CaptionSummaryRow.ShowSummaryInRow)
                element.Content = SummaryCreator.GetSummaryDisplayTextForRow(groupRecord.SummaryDetails, this.DataGrid.View, groupedColumn.HeaderText);
                element.Content = SummaryCreator.GetSummaryDisplayText(groupRecord.SummaryDetails, dataColumn.GridColumn.MappingName, this.DataGrid.View);

Grouped the EmployeeID column based on the EmployeeName is displayed in the view.

Display the group header in WPF DataGrid

View sample in GitHub.

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