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Posted on July 1, Updated on July 2, In the previous post , we discussed XML serialization. In this short article we are going to take a look at binary serialization via the BinaryFormatter class. As we mentioned in a previous article , binary serialization in. NET converts an object or entire object graph into a binary format that is not human readable. It preserves type fidelity which is quite useful when utilizing objects across multiple applications of instances of the same application.
Before we can use binary serialization, we have to add a reference to the System. Right-click the project, select Add Reference, then select this assembly in the dialog.
Now that we have created our Sample class, decorated it with the Serializable attribute, and added a reference to the System. The full code for our Program class is shown below. We will open the file with Wordpad so that the text wraps and so that we can see the contents. The binary output does have some readable text. The first thing you should notice is that the entire assembly and namespace information is stored with the serialized object. Be sure not to save the file because we are going to use this same file in the code below to deserialize our object.
Now this was a very simple example but understand that any object that supports serialization can be serialized using the BinaryFormatter. If we have an object graph that contained multiple levels of objects in a hierarchy, we could serialize these objects in exactly the same way that we just did.
I have written numerous applications that have required objects to be serialized and stored in a database. Again, we use the same approach, then we execute a stored procedure or invoke an insert or update call and pass the binary data into the table. This entry was posted in. NET Development , Serialization and tagged. You are commenting using your WordPress.
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