Dash-ag-grid row grouping breaks date filter

[AnnMarieW]

@daflamingpotato

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Dash AG Grid valueFormatter not working properly

Hmm, my code seems to work? [image] import dash_ag_grid as dag from dash import Dash, html, Input, Output import pandas as pd app = Dash( __name__ ) df = pd.read_csv('Book1.csv') columnDefs = [{'field': i} for i in df.columns] for i in range(1): columnDefs[i]['rowGroup'] = True columnDefs[i]['hide'] = True columnDefs[-1]['aggFunc'] = 'sum' columnDefs[-1]['valueFormatter'] = {"function": "params.group ? d3.format('(,.0f')(params.node.aggData[params.column.colId]) : (par…