[英]Wrong number or types in call of a sproc
每當我嘗試從C#執行存儲過程錯誤(參數的數量或類型錯誤)時,我都會不斷收到該錯誤。
這是sproc變量的定義:
requestNumber varchar2,
requestXML clob,
userID varchar2,
activityID integer,
origin_zip varchar2,
destination_zip varchar2,
pur_date varchar2
這是C#代碼中oracle參數的定義:
OracleParameter _requestNumber = new OracleParameter("requestNumber", OracleDbType.Varchar2) { Direction = ParameterDirection.Input, Value = requestNumber };
OracleParameter _requestXML = new OracleParameter("requestXML", OracleDbType.Clob) { Direction = ParameterDirection.Input, Value = xml };
OracleParameter _userID = new OracleParameter("userID", OracleDbType.Varchar2) { Direction = ParameterDirection.Input, Value = input.UserID };
OracleParameter _activityID = new OracleParameter("activityID", OracleDbType.Int32) { Direction = ParameterDirection.Input, Value = Convert.ToInt32(activityID) };
OracleParameter _sOriginZip = new OracleParameter("origin_zip", OracleDbType.Varchar2) { Direction = ParameterDirection.Input, Value = _originZip };
OracleParameter _sDestinationZip = new OracleParameter("destination_zip", OracleDbType.Varchar2) { Direction = ParameterDirection.Input, Value = _destinationZIP };
OracleParameter _sPurDate = new OracleParameter("pur_date", OracleDbType.Varchar2) { Direction = ParameterDirection.Input, Value = _purDate };
command.Parameters.Add(_requestNumber);
command.Parameters.Add(_requestXML);
command.Parameters.Add(_userID );
command.Parameters.Add(_activityID );
command.Parameters.Add( _sOriginZip);
command.Parameters.Add( _sDestinationZip);
command.Parameters.Add( _sPurDate);
是什么導致該異常?
在添加參數之前,請嘗試使用以下代碼清除命令參數,
command.Parameters.Clear();
還要檢查您是否設置了command.Type
。鍵入storageProcedure
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