IsNull extension method for C# and VB.NET

You can use the IsNull Extension method by using the snippet below.

Sample C#

public static bool IsNull(this object source)
{
     return source == null;
}

Sample VB.NET

<System.Runtime.CompilerServices.Extension> _
Public Shared Function IsNull(source As Object) As Boolean
	Return source Is Nothing
End Function

As always, this extension method has been added to the Github Fesslersoft.Extensions Repository

How to set a Property Value by Name in C# and VB.NET

To set a Property Value by Name in C# and VB.NET you can use the following snippet.

Sample C#

public static bool SetPropertyByName(this Object obj, string name, Object value)
{
	var prop = obj.GetType().GetProperty(name, BindingFlags.Public | BindingFlags.Instance);
	if (null == prop || !prop.CanWrite) return false;
	prop.SetValue(obj, value, null);
	return true;
}

Sample VB.NET

Public Shared Function SetPropertyValueByName(obj As [Object], name As String, value As [Object]) As Boolean
	Dim prop = obj.[GetType]().GetProperty(name, BindingFlags.[Public] Or BindingFlags.Instance)
	If prop Is Nothing OrElse Not prop.CanWrite Then
		Return False
	End If
	prop.SetValue(obj, value, Nothing)
	Return True
End Function

How to configure Conditional Mapping in AutoMapper in C# and VB.NET

To configure Conditional Mapping in AutoMapper in C# and VB.NET you can use the following snippet.

Sample C#

 Mapper.CreateMap<Source, Target>().ForMember(dest => dest.Value, opt => opt.MapFrom(src => src.Variable1 == "Value1" ? true : false));

Sample VB.NET

Mapper.CreateMap(Of Source, Target)().ForMember(Function(dest) dest.Value, Function(opt) opt.MapFrom(Function(src) If(src.Variable1 = "Value1", True, False)))