C#验证输入的是否数字的方法
摘要:static bool IsNumeric(string str) { if (str==null || str.Length==0) return false; foreach(char c in str) { if (!Char.IsNumber(c)) { return false; } } re...
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posted @ 2005-12-31 16:21
posted @ 2005-12-31 16:21
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