Object - ToNullableDateTimeOffSetOrDefault
An object extension method that converts this object to a nullable date time off set or default.
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)); }
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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(); } } }