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我想在我的 Web 应用程序中添加一个选项来恢复数据库。这是StoredProcedure

ALTER PROCEDURE [Restore] @path NVARCHAR(MAX)
AS
    BEGIN

        EXEC('ALTER DATABASE Kimiakesht SET OFFLINE')
        EXEC('ALTER DATABASE Kimiakesht SET SINGLE_USER WITH ROLLBACK IMMEDIATE')

        RESTORE DATABASE Kimiakesht
FROM DISK = @path
WITH REPLACE

        EXEC('ALTER DATABASE Kimiakesht SET MULTI_USER')
        EXEC('ALTER DATABASE Kimiakesht SET ONLINE')
    END

我在应用程序中调用此过程,如下所示:

string backupPath = "F:\restore\file.bak";

entity.Database.ExecuteSqlCommand(System.Data.Entity.TransactionalBehavior.DoNotEnsureTransaction, "EXEC [Restore] @path = N'" + backupPath + "'");

但我总是得到这个错误:

在此处输入图像描述

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