Invoking a Generic Method With Parameters using Reflection

gistfile1.cs

private Dictionary<string, Type> typeCache = new Dictionary<string, Type>(); 
 
public bool TryFindType(string typeName, out Type t)
{
    lock (typeCache)
    {
        if (!typeCache.TryGetValue(typeName, out t))
        {
            t = Type.GetType(typeName);
            if (t == null)
            {
                var types = from assembly in System.AppDomain.CurrentDomain.GetAssemblies()
                            from assemblyType in assembly.GetTypes()
                            where assemblyType.Name == typeName
                            select assemblyType;
 
                t = types.FirstOrDefault();
            }
            typeCache[typeName] = t; // perhaps null
        }
    }
    return t != null;
}
 
public string Get(string entityTypeName, string query)
{
    Type entityType;
 
    if (TryFindType(entityTypeName, out entityType))
    {
        var method = <owner_of_Lookup_method>.GetType()
            .GetMethod("Lookup", new Type[] {typeof (string)})
            .MakeGenericMethod(entityType);
 
        return Convert.ToString(method.Invoke(<owner_of_Lookup_method>, new[] { query }));
    }
 
    return string.Empty;
}

http://www.codeproject.com/Tips/247781/Invoking-a-Generic-Method-With-Parameters-using-Re