Object - ToNullableDateTimeOffSetOrDefault

An object extension method that converts this object to a nullable date time off set or default.

Try it

public static void Main()
{
	object val1 = "06 July 2008 7:32:47 AM";
    object val2 = "17:32:47.003";
	object thisNull = null;
	object thisInvalid = "FizzBuzz";
	
	DateTimeOffset defaultVal = "1/1/2000 12:00:00 AM".ToDateTime();
	
	string format = "{0, -30} {1, -15}";
	
	Console.WriteLine(format, "Object", "ToNullableDateTimeOffSetOrDefault");
	Console.WriteLine(format, "------", "---------------------------------");
	
	// C# Extension Method: Object - ToNullableDateTimeOffSetOrDefault
	Console.WriteLine(format, val1, val1.ToNullableDateTimeOffSetOrDefault());
	Console.WriteLine(format, val2, val2.ToNullableDateTimeOffSetOrDefault());
	Console.WriteLine(format, "null", thisNull.ToNullableDateTimeOffSetOrDefault());
	Console.WriteLine(format, thisInvalid, thisInvalid.ToNullableDateTimeOffSetOrDefault());
	Console.WriteLine(format, thisInvalid, thisInvalid.ToNullableDateTimeOffSetOrDefault(defaultVal));
	Console.WriteLine(format, thisInvalid, thisInvalid.ToNullableDateTimeOffSetOrDefault(() => defaultVal));
}

View Source
using System;

public static partial class Extensions
{
    /// <summary>
    ///     An object extension method that converts this object to a nullable date time off set or default.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <returns>The given data converted to a DateTimeOffset?</returns>
    public static DateTimeOffset? ToNullableDateTimeOffSetOrDefault(this object @this)
    {
        try
        {
            if (@this == null || @this == DBNull.Value)
            {
                return null;
            }

            return new DateTimeOffset(Convert.ToDateTime(@this), TimeSpan.Zero);
        }
        catch (Exception)
        {
            return default(DateTimeOffset);
        }
    }

    /// <summary>
    ///     An object extension method that converts this object to a nullable date time off set or default.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <param name="defaultValue">The default value.</param>
    /// <returns>The given data converted to a DateTimeOffset?</returns>
    public static DateTimeOffset? ToNullableDateTimeOffSetOrDefault(this object @this, DateTimeOffset? defaultValue)
    {
        try
        {
            if (@this == null || @this == DBNull.Value)
            {
                return null;
            }

            return new DateTimeOffset(Convert.ToDateTime(@this), TimeSpan.Zero);
        }
        catch (Exception)
        {
            return defaultValue;
        }
    }

    /// <summary>
    ///     An object extension method that converts this object to a nullable date time off set or default.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <param name="defaultValueFactory">The default value factory.</param>
    /// <returns>The given data converted to a DateTimeOffset?</returns>
    public static DateTimeOffset? ToNullableDateTimeOffSetOrDefault(this object @this, Func<DateTimeOffset?> defaultValueFactory)
    {
        try
        {
            if (@this == null || @this == DBNull.Value)
            {
                return null;
            }

            return new DateTimeOffset(Convert.ToDateTime(@this), TimeSpan.Zero);
        }
        catch (Exception)
        {
            return defaultValueFactory();
        }
    }
}