Sub setValue(xtable As B4XTable, xRow As Int, xCol As Int, xValue As String)
Dim colName As String = nameDays(xCol)
Dim column As B4XTableColumn = xtable.GetColumn(colName) '----> also, can this be a number instead a name ID?
xtable.sql1.ExecNonQuery2($"UPDATE data SET ${column.SQLID} = ? WHERE rowid = ?"$, Array As String(xValue, xRow))
xtable.Refresh
End Sub