The Art of SQL Server FILESTREAM - Red Gate Software

Chapter 4: FILESTREAM with Entity Framework and LINQ to SQLTake a look at the mapping of the ItemImage column; it is a FILESTREAM column butit is mapped to the Binary data type. EF does not understand FILESTREAM values. It seesFILESTREAM columns as VARBINARY(MAX) data type values.The next step is to create a mapping for the stored procedure we created for saving items.Click on the Map Entity to Functions button on the left side of the Mapping Detailswindow, and select the stored procedure from the drop-down list provided for the insertoperation (Figure 4-7).Figure 4-7:Creating a mapping for the stored procedure.With this, we are done with the mapping and it is time to go ahead and write the codethat adds a new item into the table using EF.141