An SqlParameter with ParameterName '@doctors_expiration_date' is not contained by this SqlParameterCollection.

I'm not certain why this is occurring. Please take a look at my code and let me know if you require more info. SP below VB code. Thank you!

"    at Microsoft.VisualBasic.ErrObject.Raise(Int32 Number, Object Source, Object Description, Object HelpFile, Object HelpContext)
   at LinePopulation.CheckTbCertification(String& strLineTitle, Int32& lngLineCandidatesID, String& strSS_Number, Boolean[]& ablnRequirementChecks) in C:\Documents\App Development\STS_Rewrite\STS (to DOT(34).NET) (LinePopulation Class)\App_Code\LinePopulation.vb:line 189
   at WebService._CheckTbCertification() in C:\Documents\App Development\STS_Rewrite\STS (to DOT(34).NET) (LinePopulation Class)\App_Code\WebService.vb:line 37"

Public Sub CheckTbCertification( _
        ByRef strLineTitle As String, _
        ByRef lngLineCandidatesID As Integer, _
        ByRef strSS_Number As String, _
        ByRef ablnRequirementChecks() As Boolean)

        On Error GoTo ErrorTrap

        Const c_VtcTbCertCode As String = "05"
        Dim utCandidateLineDates As utStartEndDates
        Const c_PhysicalExamTbTitleCodes As String = "|60430|06070|60405|60440|06664|"

        If InStr(c_PhysicalExamTbTitleCodes, strLineTitle) Then
            utCandidateLineDates = SingleLineCandidateDateRange(lngLineCandidatesID)

            Dim cmd As New SqlCommand
            cmd.CommandText = "ps__employee_vtc_data_SELECT_VtcTbResults"
            cmd.CommandType = CommandType.StoredProcedure

            cmd.Parameters.AddWithValue("@ssn", strSS_Number)
            cmd.Parameters.AddWithValue("@tb_test__cd", c_VtcTbCertCode)

            Dim param As New SqlClient.SqlParameter("@tb_result", SqlDbType.VarChar, 1)
            param.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param)

            param = New SqlClient.SqlParameter("@doctors_expiration_dt", SqlDbType.DateTime, 4)
            param.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param)

            Dim cnn As New Connection
            cnn.OpenConnection()
            cmd.Connection() = cnn.GetConnection
            cmd.ExecuteReader()

            If IsDBNull(cmd.Parameters("@doctors_expiration_date").Value) Then
                ablnRequirementChecks(rqcRequirementChecks.rqcTbCertificationRequired) = True
            ElseIf cmd.Parameters("@doctors_expiration_date").Value < utCandidateLineDates.utStartDate Then
                ablnRequirementChecks(rqcRequirementChecks.rqcTbCertificationRequired) = True
            ElseIf cmd.Parameters("@doctors_expiration_date").Value >= utCandidateLineDates.utStartDate Then
                If cmd.Parameters("@tb_result").Value = mc_Failed Then
                    ablnRequirementChecks(rqcRequirementChecks.rqcTbTestPositive) = True
                End If
            End If

            cnn.CloseConnection()
            cmd = Nothing
        End If

        On Error GoTo 0
        Exit Sub
ErrorTrap:
        Err.Raise(Err.Number, "LinePopulation.CheckTbCertification > " & Err.Source, Err.Description)
        On Error GoTo 0
    End Sub

SP---------------------------------'

ALTER PROCEDURE [dbo].[ps__employee_vtc_data_SELECT_VtcTbResults]
(
@ssn						char(11),
@tb_test__cd				char(2),
@tb_result					char(1)			OUTPUT,
@doctors_expiration_dt		datetime		OUTPUT
)
AS

SELECT 	@tb_result = vtc_result,
		@doctors_expiration_dt = doctors_expiration_dt
FROM 	employee_vtc_data
WHERE 	ssn = @ssn AND
		vtc_cd = @tb_test__cd AND
		emp_vtc__id =
		(
			SELECT 	MAX(emp_vtc__id)
			FROM 	employee_vtc_data
			WHERE 	ssn = @ssn AND
					vtc_cd = @tb_test__cd
		);

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John (Yiannis) ToutountzoglouInstructor Multiengine PilotCommented:
hi
change param to param1,param2,param3 according to how many parameters you have...
and then set
cmd.Parameters.Add(Param1) and so on
Hope it helps...
0
John (Yiannis) ToutountzoglouInstructor Multiengine PilotCommented:
like this...
            Dim param1 As New SqlClient.SqlParameter("@tb_result", SqlDbType.VarChar, 1)
            param1.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param1)

            Dim param2 As New SqlClient.SqlParameter("@doctors_expiration_dt", SqlDbType.DateTime, 4)
            param2.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param2)

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0
bobcannAuthor Commented:
jtoutou, I just tried it, but it doesn't work.
0
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John (Yiannis) ToutountzoglouInstructor Multiengine PilotCommented:
try this....
Open the connection first ...then declare the parameters...and after the parameter declaretion execute the reader..Modify like below...
Public Sub CheckTbCertification( _
        ByRef strLineTitle As String, _
        ByRef lngLineCandidatesID As Integer, _
        ByRef strSS_Number As String, _
        ByRef ablnRequirementChecks() As Boolean)

        On Error GoTo ErrorTrap

        Const c_VtcTbCertCode As String = "05"
        Dim utCandidateLineDates As utStartEndDates
        Const c_PhysicalExamTbTitleCodes As String = "|60430|06070|60405|60440|06664|"

        If InStr(c_PhysicalExamTbTitleCodes, strLineTitle) Then
            utCandidateLineDates = SingleLineCandidateDateRange(lngLineCandidatesID)
           
            Dim cnn As New Connection
            cnn.OpenConnection()
            
            Dim cmd As New SqlCommand
            cmd.CommandText = "ps__employee_vtc_data_SELECT_VtcTbResults"
            cmd.CommandType = CommandType.StoredProcedure

            cmd.Connection() = cnn.GetConnection
            
            cmd.Parameters.AddWithValue("@ssn", strSS_Number)
            cmd.Parameters.AddWithValue("@tb_test__cd", c_VtcTbCertCode)

            Dim param1 As New SqlClient.SqlParameter("@tb_result", SqlDbType.VarChar, 1)
            param1.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param1)

            dim param2 As New SqlClient.SqlParameter("@doctors_expiration_dt", SqlDbType.DateTime, 4)
            param2.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param2)

            
            

            If IsDBNull(cmd.Parameters("@doctors_expiration_date").Value) Then
                ablnRequirementChecks(rqcRequirementChecks.rqcTbCertificationRequired) = True
            ElseIf cmd.Parameters("@doctors_expiration_date").Value < utCandidateLineDates.utStartDate Then
                ablnRequirementChecks(rqcRequirementChecks.rqcTbCertificationRequired) = True
            ElseIf cmd.Parameters("@doctors_expiration_date").Value >= utCandidateLineDates.utStartDate Then
                If cmd.Parameters("@tb_result").Value = mc_Failed Then
                    ablnRequirementChecks(rqcRequirementChecks.rqcTbTestPositive) = True
                End If
            End If
           cmd.ExecuteReader()
            cnn.CloseConnection()
            cmd = Nothing
        End If

        On Error GoTo 0
        Exit Sub
ErrorTrap:
        Err.Raise(Err.Number, "LinePopulation.CheckTbCertification > " & Err.Source, Err.Description)
        On Error GoTo 0
    End Sub

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0
bobcannAuthor Commented:
I get this new message using your version. This is the way things seem to be in dot.net, fix one problem and create another. What do you think?
System.IndexOutOfRangeException: An SqlParameter with ParameterName '@doctors_expiration_date' is not contained by this SqlParameterCollection.
   at Microsoft.VisualBasic.ErrObject.Raise(Int32 Number, Object Source, Object Description, Object HelpFile, Object HelpContext)
   at LinePopulation.CheckTbCertification(String& strLineTitle, Int32& lngLineCandidatesID, String& strSS_Number, Boolean[]& ablnRequirementChecks) in C:\Documents\App Development\STS_Rewrite\STS (to DOT(37).NET) ()\App_Code\LinePopulation.vb:line 201
   at

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0
John (Yiannis) ToutountzoglouInstructor Multiengine PilotCommented:
What is the value you pass in @doctors_expiration_date..could you post your finally Code?
0

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bobcannAuthor Commented:
Here is the code. @doctors_expiration_date is a return parameter. It's a VB 6 rewrite with no time for .NET error handling.
 Public Sub CheckTbCertification( _
        ByRef strLineTitle As String, _
        ByRef lngLineCandidatesID As Integer, _
        ByRef strSS_Number As String, _
        ByRef ablnRequirementChecks() As Boolean)

        On Error GoTo ErrorTrap

        Const c_VtcTbCertCode As String = "05"
        Dim utCandidateLineDates As utStartEndDates
        Const c_PhysicalExamTbTitleCodes As String = "|60430|06070|60405|60440|06664|"

        If InStr(c_PhysicalExamTbTitleCodes, strLineTitle) Then
            utCandidateLineDates = SingleLineCandidateDateRange(lngLineCandidatesID)

            Dim cnn As New Connection
            cnn.OpenConnection()

            Dim cmd As New SqlCommand
            cmd.CommandText = "ps__employee_vtc_data_SELECT_VtcTbResults"
            cmd.CommandType = CommandType.StoredProcedure

            cmd.Connection() = cnn.GetConnection

            cmd.Parameters.AddWithValue("@ssn", strSS_Number)
            cmd.Parameters.AddWithValue("@tb_test__cd", c_VtcTbCertCode)

            Dim param1 As New SqlClient.SqlParameter("@tb_result", SqlDbType.VarChar, 1)
            param1.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param1)

            Dim param2 As New SqlClient.SqlParameter("@doctors_expiration_dt", SqlDbType.DateTime, 4)
            param2.Direction = ParameterDirection.Output
            cmd.Parameters.Add(param2)

            If IsDBNull(cmd.Parameters("@doctors_expiration_date").Value) Then
                ablnRequirementChecks(rqcRequirementChecks.rqcTbCertificationRequired) = True
            ElseIf cmd.Parameters("@doctors_expiration_date").Value < utCandidateLineDates.utStartDate Then
                ablnRequirementChecks(rqcRequirementChecks.rqcTbCertificationRequired) = True
            ElseIf cmd.Parameters("@doctors_expiration_date").Value >= utCandidateLineDates.utStartDate Then
                If cmd.Parameters("@tb_result").Value = mc_Failed Then
                    ablnRequirementChecks(rqcRequirementChecks.rqcTbTestPositive) = True
                End If
            End If
            cmd.ExecuteReader()
            cnn.CloseConnection()
            cmd = Nothing
        End If

        On Error GoTo 0
        Exit Sub
ErrorTrap:
        Err.Raise(Err.Number, "LinePopulation.CheckTbCertification > " & Err.Source, Err.Description)
        On Error GoTo 0
    End Sub

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0
John (Yiannis) ToutountzoglouInstructor Multiengine PilotCommented:
From where the @doctors_expiration_dt takes its value?
0
bobcannAuthor Commented:
Hi jtoutou,

My bad. Typo and not initializing an array... I hope I never have to rewrite another coders app.

Thanks for looking at it. I'll be posting more questions, hopefully with code with no typos :)

--Bob
0
John (Yiannis) ToutountzoglouInstructor Multiengine PilotCommented:
Very Welcome
0
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