나는 페이지를 실행하려고하면이 오류 메시지가 계속 ..매개 변수화 된 쿼리
매개 변수화 된 쿼리 '(@Medication의 NVARCHAR (14), @ 수량 NVARCHAR (9), @ RequestedDate N' 공급되지 않은 매개 변수 '@RequestedDate'를 기대
이
내 코드 숨김 파일입니다.Dim conn As SqlConnection
Dim cmd As SqlCommand
'Getting today's date to store into database to let staff know when prescription was ordered
'reference for this code : - https://msdn.microsoft.com/en-us/library/system.datetime.today(v=vs.110).aspx
Dim thisDay As DateTime = DateTime.Today
Session("DateRequested") = (thisDay.ToString())
Dim Medication As String
Dim Quantity As String
Dim RequestedDate As String
Dim Pharmacy As String
Dim PatientNumber As String
Medication = txtDrug1.Text + " " + txtDrug2.Text + " " + txtDrug3.Text + " " + txtDrug4.Text + " " + txtDrug5.Text
Quantity = txtQuant1.Text + " " + txtQuant2.Text + " " + txtQuant3.Text + " " + txtQuant4.Text + " " + txtQuant5.Text
RequestedDate = Session("Date Requested")
PatientNumber = Session("PatientNumber")
Pharmacy = txtPharmacy.Text
Dim cmdstring As String = "INSERT INTO Prescription (Medication, QntyandStrength, RequestedDate, Pharmacy, PatientNumber) Values (@Medication, @Quantity, @RequestedDate, @Pharmacy, @PatientNumber)"
conn = New SqlConnection("Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\Users\User\Documents\Visual Studio 2015\WebSites\myAppointments\App_Data\Database.mdf;Integrated Security=True")
cmd = New SqlCommand(cmdstring, conn)
cmd.Parameters.AddWithValue("@Medication", Medication)
cmd.Parameters.AddWithValue("@Quantity", Quantity)
cmd.Parameters.AddWithValue("@RequestedDate", RequestedDate)
cmd.Parameters.AddWithValue("@Pharmacy", Pharmacy)
cmd.Parameters.AddWithValue("@PatientNumber", PatientNumber)
conn.Open()
cmd.ExecuteNonQuery()
conn.Close()
MsgBox("Your Prescription Has Been Requested!")
그리고 데이터베이스 유형은 다음과 같습니다
[PrescriptionNumber] INT NOT NULL,
[Medication] NVARCHAR(250) NULL,
[QntyandStrength] NVARCHAR(250) NULL,
[RequestedDate] NVARCHAR(70) NULL,
[Pharmacy] VARCHAR (50) NULL,
[PatientNumber] CHAR (10) NULL,
변경 방법에 대한 조언이 있으십니까?
왜 날짜를 문자열로 저장하고 있습니까? –
'.AddWithValue' 대신'.Add'를 사용하십시오. – Bugs
'RequestedDate = Session ("Requested")''RequestedDate'가'Nothing' 대신에 _actual_ 값을 가지고 있다고 확신합니까? – Cameron