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var columns = [{
    "name": "OrderDate",
    "fieldName": "OrderDate",
    "width": "130",
    "styles": {
        "textAlignment": "center"
    },
    "header": {
        "text": "Order Date",
        "checkLocation": "left"
    },
    "checkded": "true"
}

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  var checkColumn = gridView.columnByName("GroupIds");
  checkColumn.checked = true;
  gridView.setColumn(checkColumn);