C#字符串空值如何转换为NULL和转换0
最新回答
琼瑶式爱情
2024-10-02 00:02:23
//如果字符为空，则转为null
string a;
if (a == "") {a = null;}
//如果字符为空，则令b=0
int b;
if (a == "") {b = 0;}
夏先森
2024-10-02 00:00:28
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2024-10-02 00:02:23
//如果字符为空，则转为null
string a;
if (a == "") {a = null;}
//如果字符为空，则令b=0
int b;
if (a == "") {b = 0;}
2024-10-02 00:00:28