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Convert.ToDateTime Method (String, IFormatProvider)

Converts the specified string representation of a number to an equivalent date and time, using the specified culture-specific formatting information.

Namespace:  System
Assemblies:   System.Runtime.Extensions (in System.Runtime.Extensions.dll)
  mscorlib (in mscorlib.dll)

public static DateTime ToDateTime(
	string value,
	IFormatProvider provider
)

Parameters

value
Type: System.String

A string that contains a date and time to convert.

provider
Type: System.IFormatProvider

An object that supplies culture-specific formatting information.

Return Value

Type: System.DateTime
The date and time equivalent of the value of value, or the date and time equivalent of DateTime.MinValue if value is null.

ExceptionCondition
FormatException

value is not a properly formatted date and time string.

The return value is the result of invoking the DateTime.Parse(String, IFormatProvider) method on value.

provider is an IFormatProvider instance that obtains a DateTimeFormatInfo object. The DateTimeFormatInfo object provides culture-specific information about the format of value. If provider is null, the DateTimeFormatInfo for the current culture is used.

If you prefer not to handle an exception if the conversion fails, you can call the DateTime.TryParse method instead. It returns a Boolean value that indicates whether the conversion succeeded or failed.

The following example converts string representations of date values with the ToDateTime method, using an IFormatProvider object.

using System;
using System.Globalization;

public class Example
{
   public static void Main()
   {
      Console.WriteLine("{0,-18}{1,-12}{2}\n", "Date String", "Culture", "Result");

      string[] cultureNames = { "en-US", "ru-RU","ja-JP" };
      string[] dateStrings = { "01/02/09", "2009/02/03",  "01/2009/03", 
                               "01/02/2009", "21/02/09", "01/22/09",  
                               "01/02/23" };
      // Iterate each culture name in the array. 
      foreach (string cultureName in cultureNames)
      {
         CultureInfo culture = new CultureInfo(cultureName);

         // Parse each date using the designated culture. 
         foreach (string dateStr in dateStrings)
         {
            DateTime dateTimeValue;
            try {
               dateTimeValue = Convert.ToDateTime(dateStr, culture);
                // Display the date and time in a fixed format.
                Console.WriteLine("{0,-18}{1,-12}{2:yyyy-MMM-dd}",
                                  dateStr, cultureName, dateTimeValue);
            }
            catch (FormatException e) { 
                Console.WriteLine("{0,-18}{1,-12}{2}", 
                                  dateStr, cultureName, e.GetType().Name);
            }
         }
         Console.WriteLine();
      }
   }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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