First of all, I don't recommend storing images in the database, especially in a web project. Because file systems can provide static file access and get many benefits such as performance. Storing images in the database has certain limits.
But if you must store images into SQL Server, here's how to do it.
SQL
Image files are in fact, binary data. SQL Server provides us the image type for …
ASP.NET The model in MVC3 is self-validating, which is via the System.ComponentModel.DataAnnotations namespace from NET4. All we need to do is add the corresponding Attributes to the attributes of the Model class, and then the MVC3 framework will do the validation for us. I will use the login that comes with the MVC3 project template as an example to explain the validation of the model. 1. Enable Client Validation Client-side validation is mainly to improve the user experience, and the validation is completed without the web page being brushed back. The first step is to enable client validation in web.config, which is already available in the template project that comes with MVC3