Object - ToNullableUInt32
An object extension method that converts the @this to a nullable u int 32.
public static void Main() { object[] values = { true, null, -12, 163, 935, 'x', new DateTime(2009, 5, 12), "104", "103.0", "-1", "1.00e2", "One", 1.00e2, 16.3e42}; uint? result; foreach (object value in values) { try { //C# Extension Method: Object - ToNullableUInt32 result = value.ToNullableUInt32(); Console.WriteLine("Converted the {0} value {1} to the {2} value {3}.", value == null ? "null" : value.GetType().Name, value == null ? "null" : value, result == null ? "null" : result.GetType().Name, result == null ? "null" : result.ToString()); } catch (OverflowException) { Console.WriteLine("The {0} value {1} is outside the range of the Int32 type.", value.GetType().Name, value); } catch (FormatException) { Console.WriteLine("The {0} value {1} is not in a recognizable format.", value.GetType().Name, value); } catch (InvalidCastException) { Console.WriteLine("No conversion to an Int32 exists for the {0} value {1}.", value.GetType().Name, value); } } }
View Source
using System; public static partial class Extensions { /// <summary> /// An object extension method that converts the @this to a nullable u int 32. /// </summary> /// <param name="this">The @this to act on.</param> /// <returns>@this as an uint?</returns> public static uint? ToNullableUInt32(this object @this) { if (@this == null || @this == DBNull.Value) { return null; } return Convert.ToUInt32(@this); } }