Migation in the UPDATE statement, summary

 Public Override voidUp () {Altercolumn ("dbo. Dispositions","Property1", C =C.boolean ()); Altercolumn ("dbo. Dispositions","Isdisposal", C =c.string ());                //If the code is not automatically generated, you can manually write the modified field type }  Public Override voidDown () {Altercolumn ("dbo. Dispositions","Property1", C =c.string ()); Altercolumn ("dbo. Dispositions","Isdisposal", C =c.string ()); //If the code is not automatically generated, you can manually write the modified field type }

Update the program, if still error, the database _migrationshistory This table is deleted, try again, should be good. The _migrationshistory table is created automatically the next time the Migrations command is executed, so you don't have to worry about deleting it, and you won't be able to run the Migrations command later.

Migation in the UPDATE statement, summary