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並前往https://www.codeproject.com/Questions/1156891/How-to-assign-value-empty-when-string-is-null-in-C

How to assign value empty when string is null in C# ...

private string AlwaysAString(object o) { return o.ToString() ?? ""; } [edit]Bah! No, that'll throw a null reference exception... C#.

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