private void AddMargin(MinMarginDays days, MinMarginKPIVM value) { if (Margin.ContainsKey(days)) { Margin[days].MinMargin = value.MinMargin; Margin[days].MaxMargin = value.MaxMargin; } else { var tempValue = new MinMarginKPIVM { MinMargin = value.MinMargin, MaxMargin = value.MaxMargin }; Margin.Add(days, tempValue); } }