C# - String.Format - String replace question

Hello all,

Think this should be rather simple but not sure easiest way.  I have the following:

String.Format("{0:N2} %", Model.Yield)

If Model.Yield is null I don't want to show the "%" sign.   Right now if the value Model.Yield is null it shows just the percent sign and I want it to be blank.

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So why not use:

if Model.Yield is null
String.Format("{0:N2} %", Model.Yield)
String.Format("{0:N2} ", Model.Yield)

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Kyle AbrahamsSenior .Net DeveloperCommented:
String.Format("{0:N2}{1}", Model.Yield, Model.Yield == null ? "" : " %")
Miguel OzSoftware EngineerCommented:
A bit simpler version of the above:
Model.Yield == null ? String.Empty : String.Format("{0:N2} %", Model.Yield)

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sbornstein2Author Commented:
This was the cleanest way I used actually.   Thanks all
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