private async void onBtnDelClicked() { if (!_isTotalCounted && DynamicNum != "0") { if (DynamicNum.Length == 1) { DynamicNum = "0"; } else { int len = DynamicNum.Length; DynamicNum = DynamicNum.Substring(0, len - 1); } } }
private void onBtnDelClicked() { if (_isError) { DynamicNum = ""; _isError = false; return; } if (!_isTotalCounted && DynamicNum != "0") { if (DynamicNum.Length == 1) { DynamicNum = "0"; } else { int len = DynamicNum.Length; DynamicNum = DynamicNum.Substring(0, len - 1); } } }