字符串未被识别为有效的DateTime [英] string was not recognized as valid DateTime

问题描述

字符串未被识别为有效日期时间





和我的日期字符串是27/04/2014 00:00:00 AM





我不知道为什么我收到此错误





objrpt.ToDate = Convert.ToDateTime（txttodate.Text）;



例外情况不是来自db

string was not recognized as valid DateTime


and my date string is 27/04/2014 00:00:00 A.M.


I don't know Why I'm getting this error


objrpt.ToDate = Convert.ToDateTime(txttodate.Text);

exception raising fro here not from db

推荐答案

1。您必须使用TryParse方法检查日期时间字符串是否有效;

2.如果它是有效的日期时间字符串，则转换为datetime，否则中止。

1. You have to check that the datetime string is a valid one using TryParse method;
2. If it is a valid datetime string, then do the conversion to datetime else abort.

using System;

public class Program
{
    public static void Main()
    {
          string dateString = "27/04/2014 00:00:00 AM";

          Console.WriteLine("The original string is {0}", dateString);

          DateTime dt;

          if (DateTime.TryParse(dateString, out dt))
          {
               string format = "yyyy-MM-dd";
               // do something with dt

               Console.WriteLine(dt.ToString(format));
          }
          else
          {
              Console.WriteLine("Not a valid datetime");
          }
    }
}

It's getting error for datetime format because your string is in "dd/MM/yyyy" format

It will unable to convert datetime it needs like "MM/dd/yyyy" or "yyyy/MM/dd"
Hope so

Then you need to changes your string date="04/27/2014" like this

试试这个

string CrDate = Convert.ToDateTime（Your field）。ToString（）;

try this
string CrDate = Convert.ToDateTime("Your field").ToString();

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