C# Code Snippet - Byte array to object

This .Net C# code snippet convert byte array to object. This functionuseful to convert back byte array data to its original objectrepresentation. Most common method to store binary data in database isas a byte array format. This function can be use to deserialize thosebyte array data (Serialized) to their original objects like image data..etc. This function uses System.IO andSystem.Runtime.Serialization.Formatters.Binary name spaces to convertbyte array to object. Modify the exception handling section as to yourproject requirements.

Note that it will be necessary to castthe returned generic Object from the deserialization method back intothe original type of object you passed in to the serialization methodoriginally.

                01            /// <summary>        
                02            /// Function to get object from byte array        
                03            /// </summary>        
                04            /// <param name="_ByteArray">byte array to get object</param>        
                05            /// <returns>object</returns>        
                06            public object ByteArrayToObject(byte[] _ByteArray)        
                07            {        
                08                try        
                09                {        
                10                    // convert byte array to memory stream        
                11                    System.IO.MemoryStream _MemoryStream = new System.IO.MemoryStream(_ByteArray);        
                12                     
                13                    // create new BinaryFormatter        
                14                    System.Runtime.Serialization.Formatters.Binary.BinaryFormatter _BinaryFormatter         
                15                                = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();        
                16                     
                17                    // set memory stream position to starting point        
                18                    _MemoryStream.Position = 0;        
                19                     
                20                    // Deserializes a stream into an object graph and return as a object.        
                21                    return _BinaryFormatter.Deserialize(_MemoryStream);        
                22                }        
                23                catch (Exception _Exception)        
                24                {        
                25                    // Error        
                26                    Console.WriteLine("Exception caught in process: {0}", _Exception.ToString());        
                27                }        
                28                     
                29                // Error occured, return null        
                30                return null;        
                31            }        

Hereis a simple example showing how to use above function(ByteArrayToObject). In this example we convert byte array variable(_ByteArray) to image and show the image in picturebox.

                1            byte[] _ByteArray = .... some data ....;        
                2                     
                3            pictureBox1.Image = (Image)ByteArrayToObject(_ByteArray);        

C# Keywords Used:

MemoryStream
BinaryFormatter
Deserialize
byte
Exception

Code Snippet Information:

Applies To: Visual Studio, .Net, C#, CLI, Byte Array, Byte array to object, Binary Data, Deserialize, BinaryFormatter, Store binary data in database
Programming Language : C# (C-Sharp)

External Resources:

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