entity-framework-6

问题 Referring to this previous post: How to add description to columns in Entity Framework 4.3 code first using migrations? I have successfully implemented the modified solution proposed by user Abdullah but I have encountered the exception below: System.Data.SqlClient.SqlException HResult=0x80131904 Message=Object is invalid. Extended properties are not permitted on 'dbo.School.Students', or the object does not exist. Sample code as below: public class School { public School() { Students = new

来源： https://stackoverflow.com/questions/64852048/how-to-add-ms-description-property-to-column-in-a-mn-join-table

来源： https://stackoverflow.com/questions/39692360/linq-to-entities-does-not-recognize-the-method-lastordefault

来源： https://stackoverflow.com/questions/39692360/linq-to-entities-does-not-recognize-the-method-lastordefault

来源： https://stackoverflow.com/questions/39692360/linq-to-entities-does-not-recognize-the-method-lastordefault

来源： https://stackoverflow.com/questions/39692360/linq-to-entities-does-not-recognize-the-method-lastordefault

来源： https://stackoverflow.com/questions/39692360/linq-to-entities-does-not-recognize-the-method-lastordefault

来源： https://stackoverflow.com/questions/61322851/how-can-i-parse-odataqueryoptions-from-a-string

来源： https://stackoverflow.com/questions/49343475/entity-framework-6-code-first-default-value-overriding-the-migrationcodegenerato

来源： https://stackoverflow.com/questions/46141197/entity-framework-6-navigation-collections-are-null-instead-of-empty