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[英]EF Core: Parameterized Query Expects the parameter '@responseMessage' which was not supplied
[英]The parameterized query is not recognizing parameter in EF5?
我正在嘗試使用Database.SqlQuery
從EF5執行存儲過程。 但是第二參數在這里無法識別。
錯誤:“參數化查詢'(@custNum nvarchar(7),@ PrimaryDisc bigint,@ SecondaryDisc bigint)'期望未提供參數'@PrimaryDisc'。”
碼
var results = _MiscContext.Database.SqlQuery<TempTechDisciplines>(
"exec sp_getTechnicalDiscipline @CustNum, @PrimaryDisc, @SecondaryDisc",
new SqlParameter("custNum", CustomerNum),
new SqlParameter("PrimaryDisc",SqlDbType.BigInt, 0),
new SqlParameter("SecondaryDisc",SqlDbType.BigInt, 0))
.ToList<TempTechDisciplines>();
這是什么問題?
本文適合我。
var custNum = new SqlParameter {ParameterName = "CustNum", Value = CustomerNum};
var primaryDisc = new SqlParameter { ParameterName = "PrimaryDisc", Value = 0 };
var secondaryDisc = new SqlParameter { ParameterName = "SecondaryDisc", Value = 0 };
var results = _MiscContext.Database.SqlQuery<TempTechDisciplines>(
"exec sp_getTechnicalDiscipline @CustNum, @PrimaryDisc,
@SecondaryDisc",
custNum,primaryDisc,secondaryDisc).ToList<TempTechDisciplines>();
如果參數值( CustomerNum
)為null,則該參數將不會序列化,並且會發生此錯誤。
檢查並為您添加的每個參數添加默認值( '0' for CustomerNum
),並檢查CustomerNum <> 0
如果需要)是否為IS NULL
。
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