Procedure Or Function 'selectFromView' Expects Parameter '@Year', Which Was Not Supplied. ???

 hay all, i'm trying to pass parameters to a stored procedure ..and i keep getting this error
"Procedure or function 'selectFromView' expects parameter '@Year', which was not supplied."
 this is the procedure implementation :
 ALTER PROCEDURE dbo.selectFromView

@Year as varchar(10),
@Country as varchar(10),
@Family as varchar(10),
@Manu as varchar(10),
@Status as varchar(10),
@Type as varchar(10),
@Operator as varchar(10)


AS
SELECT * FROM ViewofAll
WHERE
ProductionYear = @Year and
CountryName = @Country and
Family = @Family and
Manufacturer = @Manu and
Status = @Status and
Type = @Type and
OperatorName = @Operator

RETURN and below how i call the procedure :
  Dim connection As SqlConnection
connection = New SqlConnection()
connection.ConnectionString = "Data Source=BLACKIRIS3SQLEXPRESS;Initial Catalog=Aircrafts;Integrated Security=True"
connection.Open()
Dim command As SqlCommand
command = New SqlCommand("selectFromView", connection)
command.CommandType = CommandType.StoredProcedure
command.Parameters.Add(New SqlParameter("@Year", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input
command.Parameters.Add(New SqlParameter("@Country", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input
command.Parameters.Add(New SqlParameter("@Family", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input
command.Parameters.Add(New SqlParameter("@Manu", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input 'Stored prcedure parameters
command.Parameters.Add(New SqlParameter("@Status", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input
command.Parameters.Add(New SqlParameter("@Type", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input
command.Parameters.Add(New SqlParameter("@Operator", System.Data.SqlDbType.VarChar, 100)).Direction = ParameterDirection.Input
command.Parameters.Item("@Year").Value = myArray(0)
command.Parameters.Item("@Country").Value = myArray(1)
command.Parameters.Item("@Family").Value = myArray(2)
command.Parameters.Item("@Manu").Value = myArray(3)
command.Parameters.Item("@Status").Value = myArray(4)
command.Parameters.Item("@Type").Value = myArray(5)
command.Parameters.Item("@Operator").Value = myArray(5)
DSGrid.SelectCommand = command.CommandText With DSGrid
.DataBind()
End With  i'm not really familiar with stored procedures ...any one can help me plz ?
 
thanx in advance .