DateTime.ToOADate() Method in C#

This method is used to convert the value of this instance to the equivalent OLE Automation date.

Syntax: public double ToOADate ();

Return Value: This method returns a double-precision floating-point number that contains an OLE Automation date equivalent to the value of this instance.

Exception:
OverflowException: If the value of this instance cannot be represented as an OLE Automation Date.

Below programs illustrate the use of DateTime.ToOADate() Method

Example 1:

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// C# program to demonstrate the
// DateTime.ToOADate() Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        try {
  
            // creating object of DateTime
            DateTime date = new DateTime(2011, 1,
                                     1, 4, 0, 15);
  
            // Converts the value of this instance to
            // the equivalent OLE Automation date.
            // using ToOADate() method;
            double value = date.ToOADate();
  
            // Display the time
            Console.WriteLine("OLE Automation date is {0}", value);
        }
  
        catch (OverflowException e) {
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}

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Output:

OLE Automation date is 40544.1668402778

Example 2: For OverflowException

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// C# program to demonstrate the
// DateTime.ToOADate() Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        try {
  
            // creating object of DateTime
            DateTime date = new DateTime(0099, 1,
                                         1, 4, 0, 15);
  
            // Converts the value of this instance 
            // to the equivalent OLE Automation date.
            // using ToOADate() method;
            double value = date.ToOADate();
  
            // Display the time
            Console.WriteLine("OLE Automation date is {0}", value);
        }
  
        catch (OverflowException e)
        {
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}

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Output:

Exception Thrown: System.OverflowException

Reference:



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