//检测登录
public virtual int IndexOf(
string source,
char value
);
改为:
//检测登录
public virtual int IndexOf(
string source,
char value
){}
public virtual int IndexOf(
string source,
char value
);
改为:
//检测登录
public virtual int IndexOf(
string source,
char value
){}
string source,
char value
);
缺少函数体!