Get a public field value given its name : Type « Reflection « C# / C Sharp

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C# / C Sharp » Reflection » TypeScreenshots 
Get a public field value given its name
 

#region License and Copyright
/*
 * Dotnet Commons Reflection
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
 * for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this library; if not, write to the 
 * Free Software Foundation, Inc., 
 * 59 Temple Place, 
 * Suite 330, 
 * Boston, 
 * MA 02111-1307 
 * USA 
 
 */

#endregion

using System;
using System.Collections;
using System.IO;
using System.Reflection;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;

namespace Dotnet.Commons.Reflection
{
  /// -----------------------------------------------------------------------
  /// <summary>  
  /// This utility class contains a rich sets of utility methods that perform operations 
  /// on objects during runtime such as copying of property and field values
  /// between 2 objects, deep cloning of objects, etc.  
  /// </summary>
  /// -----------------------------------------------------------------------
  public abstract class ObjectUtils
  {

    /// ------------------------------------------------------------------------
    /// <summary>
    /// Get a <b>public</b> field value given its name
    /// </summary>
    /// <param name="srcObj">object to inspect</param>
    /// <param name="fieldName">Name of the field to retrieve the value from</param>
    /// <returns>property value</returns>
    /// ------------------------------------------------------------------------
    public static Object GetFieldValue(object srcObj, string fieldName)
    {

      FieldInfo fieldInfoObj = srcObj.GetType().GetField(fieldName);

      if (fieldInfoObj == null)
        return null;

      // Get the value from property.
      object srcValue = srcObj.GetType()
                  .InvokeMember(fieldInfoObj.Name,
                  BindingFlags.GetField,
                  null,
                  srcObj,
                  null);

      return srcValue;
    }
   }
}

   
  
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7.Get Generic Type Definition
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9.Deeper Reflection:Listing All the Types in an AssemblyDeeper Reflection:Listing All the Types in an Assembly
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11.The typeName parameter is a combination of the Assembly and Type names
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13.Use GetCustomAttributes from Type to get custom attributes
14.Use Type.GetType to check the type of an object
15.Get object Type Name, UnderlyingSystemType, IsClass
16.Type.GetConstructors
17.Use Type.IsClass to check if a type is a class
18.Print Types
19.Determining the base classes and interfaces for a class.
20.Create Object from assembly name and class nameCreate Object from assembly name and class name
21.Makes a shallow copy of the object to a different class type (inherits from the original)
22.Makes a shallow copy of the object
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24.Get Derivation from an object
25.The full name of the Array type
26.Change type
27.Does a given Type have a Default Constructor
28.Is it a Nullable Type
29.Is Value Type Unitialized Value
30.Get Type Unitialized Value
31.Is Object Unitialized Value
32.Is it a SubClass for another class
33.Convert type from initial Value
34.Returns all assemblies and their properties
35.Helper to display the "contents" of the Value Object
36.Deep Comparison two objects if they are alike.
37.Set the specified public field value of an object
38.Determine if a type is cloneable: either a value type or implementing ICloneable.
39.Provides a simple reflection based mapper to perform a Data Mapping between two types of objects
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