The parameterized query '(@TeacherID nvarchar(9),@LeaderID nvarchar(9),@Status int,' expects the parameter '@ORatingID', which was not supplied.
存儲過程的參數:
@TeacherID varchar(9),
@LeaderID varchar(9),
@Status int,
@SharedDraft bit,
@SGrowthRatingID int,
@ORatingID int,
@Q1Text varchar(max),
@Q2Text varchar(max),
@Q3Text varchar(max),
@Q4Text varchar(max)
SQL Server Profiler中顯示:
exec sp_executesql N'usp_EOYASave @TeacherID, @LeaderID, @Status,
@SharedDraft, @SGrowthRatingID, @ORatingID, @Q1Text, @Q2Text, @Q3Text,
@Q4Text',N'@TeacherID nvarchar(9),@LeaderID nvarchar(9),@Status int,
@SharedDraft bit,@SGrowthRatingID int,@ORatingID nvarchar(4000),
@Q1Text nvarchar(11),@Q2Text nvarchar(4),@Q3Text nvarchar(4000),
@Q4Textnvarchar(4)',@TeacherID=N'100',@LeaderID=N'1002',@Status=7,
@SharedDraft=0,@SGrowthRatingID=1,@ORatingID=default,
@Q1Text=N'test 123 bc',@Q2Text=N'test',@Q3Text=N'',@Q4Text=N'test'
注意:
在C#10@ORatingID nvarchar(4000)
@ORatingID=default
調用代碼:
db.Database.ExecuteSqlCommand("usp_EOYASave @TeacherID, @LeaderID, @Status,
@SharedDraft, @SGrowthRatingID, @ORatingID,
@Q1Text, @Q2Text, @Q3Text, @Q4Text",
new SqlParameter("TeacherID", EOYRating.CurrentTeacher.ID),
new SqlParameter("LeaderID", EOYRating.IsLeader == true ?
EOYRating.CurrentLeader.LeaderID : null),
new SqlParameter("Status", EOYRating.IsLeader == false ?
EOYRating.TeacherStatus : EOYRating.LeaderStatus),
new SqlParameter("SharedDraft", sharedDraft),
new SqlParameter("ORatingID", EOYRating.IsLeader == true ?
(Int32?)EOYRating.OverallRatingValue : null),
new SqlParameter("SGrowthRatingID", EOYRating.IsLeader == true ?
(Int32?)EOYRating.StudentGrowthRatingValue : null),
new SqlParameter("Q1Text", q1Text != null ? q1Text : ""),
new SqlParameter("Q2Text", q2Text != null ? q2Text : ""),
new SqlParameter("Q3Text", q3Text != null ? q3Text : ""),
new SqlParameter("Q4Text", q4Text != null ? q4Text : ""));
問題:
當我運行這段代碼(在SQL Server),並更改 「默認」 爲0或空它的工作原理。
爲什麼它將它轉換(或識別它)爲nvarchar(4000)
?
更新:
我想這個建議後提出:
new SqlParameter("ORatingID", SqlDbType.Int, 4, ParameterDirection.Input, true, 0, 0, "", DataRowVersion.Current , EOYRating.IsLeader == true ? (Int32?)EOYRating.OverallRatingValue : null),
我收到了同樣的錯誤消息。
有時不指定參數,使其NULL,而不是將它添加,並試圖將其從DB側設置爲null的數據庫調用,正確的做法,因爲DBNull的是不一樣的東西代碼 - 邊空。但我不是100%確定這件事。 – ErikE