12 2013 档案
摘要：private string HttpPost(string Url, string postDataStr) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url); request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr); request.
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摘要：C 货币2.5.ToString("C")￥2.50D 十进制数25.ToString("D5")00025E 科学型25000.ToString("E")2.500000E+005F 固定点25.ToString("F2")25.00G 常规2.5.ToString("G")2.5N 数字2500000.ToString("N")2,500,000.00X 十六进制255.ToString("X")FFformatCode 是可选的格式化代码字符串。（详
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