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DateTime.ToOADate() Method in C#

Last Updated : 13 Feb, 2019
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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: csharp
// 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);
        }
    }
}
Output:
OLE Automation date is 40544.1668402778
Example 2: For OverflowException csharp
// 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);
        }
    }
}
Output:
Exception Thrown: System.OverflowException
Reference:

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