add row

Can you share your code here are you using for loop to display rows?

check line number 15

a!localVariables(
  local!items: {
    { item: "Item 1", qty: 1, unitPrice: 10 },
    { item: "Item 2", qty: 2, unitPrice: 20 }
  },
  a!gridLayout(
    label: "Products",
    instructions: "Update the item name, quantity, or unit price.",
    headerCells: {
      a!gridLayoutHeaderCell(label: "Item"),
      a!gridLayoutHeaderCell(label: "Qty"),
      a!gridLayoutHeaderCell(label: "Unit Price"),
      a!gridLayoutHeaderCell(label: "Total", align: "RIGHT")
    },
    rows: a!forEach( /* loop to show all rows*/
      items: local!items,
      expression: a!gridRowLayout(
        contents: {
          a!textField(
            value: fv!item.item,
            saveInto: fv!item.item
          ),
          a!integerField(value: fv!item.qty, saveInto: fv!item.qty),
          a!floatingPointField(
            value: fv!item.unitPrice,
            saveInto: fv!item.unitPrice
          ),
          a!textField(
            value: tointeger(fv!item.qty) * todecimal(fv!item.unitPrice),
            readOnly: true,
            align: "RIGHT"
          )
        }
      )
    ),
    rowHeader: 1,
    addRowLink: a!dynamicLink(
      label: "Add row",
      saveInto: a!save(
        local!items,
        append(
          local!items,
          { item: null, qty: null, unitPrice: null }
        )
      )
    )
  )
)a!localVariables(
  local!items: {
    { item: "Item 1", qty: 1, unitPrice: 10 },
    { item: "Item 2", qty: 2, unitPrice: 20 }
  },
  a!gridLayout(
    label: "Products",
    instructions: "Update the item name, quantity, or unit price.",
    headerCells: {
      a!gridLayoutHeaderCell(label: "Item"),
      a!gridLayoutHeaderCell(label: "Qty"),
      a!gridLayoutHeaderCell(label: "Unit Price"),
      a!gridLayoutHeaderCell(label: "Total", align: "RIGHT")
    },
    rows: a!forEach( /* loop to show all rows*/
      items: local!items,
      expression: a!gridRowLayout(
        contents: {
          a!textField(
            value: fv!item.item,
            saveInto: fv!item.item
          ),
          a!integerField(value: fv!item.qty, saveInto: fv!item.qty),
          a!floatingPointField(
            value: fv!item.unitPrice,
            saveInto: fv!item.unitPrice
          ),
          a!textField(
            value: tointeger(fv!item.qty) * todecimal(fv!item.unitPrice),
            readOnly: true,
            align: "RIGHT"
          )
        }
      )
    ),
    rowHeader: 1,
    addRowLink: a!dynamicLink(
      label: "Add row",
      saveInto: a!save(
        local!items,
        append(
          local!items,
          { item: null, qty: null, unitPrice: null }
        )
      )
    )
  )
)