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C# | Convert.ToDateTime(String, IFormatProvider) Method

  • Last Updated : 02 Sep, 2021

This method is used to convert the specified string representation of a number to an equivalent date and time, using the specified culture-specific formatting information.
Syntax:

public static DateTime ToDateTime (string value, IFormatProvider provider);

Parameters: 

  • value: A string that contains a date and time to convert.
  • provider: An object that supplies culture-specific formatting information.

Return Value: This method returns the date and time equivalent of the value of value, or the date and time equivalent of MinValue if the value is null.
Exception: This method will give FormatException if the value is not a properly formatted date and time string.
Below programs illustrate the use of Convert.ToDateTime(String, IFormatProvider) Method
Example 1: 

csharp




// C# program to demonstrate the
// Convert.ToDateTime() Method
using System;
using System.Globalization;
 
class GFG {
 
// Main Method
public static void Main()
{
    try {
         
        // creating object of CultureInfo
        CultureInfo cultures = new CultureInfo("en-US");
 
        // declaring and initializing String array
        string[] values = {"01/02/09", "2009/02/03",
            "01/2009/03", "01/02/2009", "01/02/23"};
 
        // calling get() Method
        Console.WriteLine("Converted string value"+
                       " to specified DateTime: ");
                        
        for (int j = 0; j < values.Length; j++) {
             
            get(values[j], cultures);
        }
    }
     
    catch (FormatException e) {
         
        Console.WriteLine("\n");
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
}
 
// Defining get() method
public static void get(string s,
           CultureInfo cultures)
{
 
    // converting string to specified bool
    DateTime val = Convert.ToDateTime(s, cultures);
 
    // display the converted string
    Console.Write(" {0}, ", val);
}
}
Output:
Converted string value to specified DateTime: 
01/02/2009 00:00:00, 02/03/2009 00:00:00, 01/03/2009 00:00:00, 01/02/2009 00:00:00, 01/02/2023 00:00:00, 
 

Example 2: For FormatException

csharp




// C# program to demonstrate the
// Convert.ToDateTime() Method
using System;
using System.Globalization;
class GFG {
 
// Main Method
public static void Main()
{
    try {
         
        // creating object of CultureInfo
        CultureInfo cultures = new CultureInfo("en-US");
 
        // declaring and initializing String array
        string[] values = {"01/02/09", "2009/02/03",
            "01/2009/03", "01/02/2009", "01/02/23"};
 
        // calling get() Method
        Console.WriteLine("Converted string value "+
                         "to specified DateTime: ");
                          
        for (int j = 0; j < values.Length; j++) {
             
            get(values[j], cultures);
        }
        Console.WriteLine("\n\nvalue is not a properly "+
                      "formatted date and time string.");
                       
        // converting string to specified bool
        DateTime val = Convert.ToDateTime("21/2009/03",
                                             cultures);
 
        // display the converted string
        Console.Write(" {0}, ", val);
    }
    catch (FormatException e) {
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
}
// Defining get() method
public static void get(string s,
           CultureInfo cultures)
{
 
    // converting string to specified bool
    DateTime val = Convert.ToDateTime(s, cultures);
 
    // display the converted string
    Console.Write(" {0}, ", val);
}
}
Output:
Converted string value to specified DateTime: 
01/02/2009 00:00:00, 02/03/2009 00:00:00, 01/03/2009 00:00:00, 01/02/2009 00:00:00, 01/02/2023 00:00:00, 
value is not a properly formatted date and time string. 
Exception Thrown: System.FormatException 
 

Reference: 




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