pass parameter to stored procedure through vb.net

[rp_prakash]

hi
this is my coding when i run this coding for display the content in textboxes from the database by click event in datagrid.
"Procedure or Function 'sp_developer_display' expects parameter '@developerid', which was not supplied."
this error will display
my sp in sql express is

ALTER PROCEDURE dbo.sp_developer_display
(
@developerid int
)

AS
/* SET NOCOUNT ON */
select developercode,developername,qualification,dateofjoin,designation,experience,knownsoft from tst_m_developermaste where id=@developerid and tstflag='N'
RETURN

vb.net codin

Dim mydst As New DataSet
MyConnection.ConnectionString = connstring
Dim disp As New SqlDataAdapter("sp_developer_display", MyConnection)
disp.Fill(mydst, "dev_display")

txtdevelopercode.Text = mydst.Tables("dev_display").Rows(0).Item("developercode")
txtdevelopername.Text = mydst.Tables("dev_display").Rows(0).Item("developername")
txtqualification.Text = mydst.Tables("dev_display").Rows(0).Item("qualification")
dtpdateofjoin.Value = mydst.Tables("dev_display").Rows(0).Item("dateofjoin")
txtdesignation.Text = mydst.Tables("dev_display").Rows(0).Item("designation")
txtexperience.Text = mydst.Tables("dev_display").Rows(0).Item("experience")
txtknownsoftware.Text = mydst.Tables("dev_display").Rows(0).Item("knownsoft")
mydst.Dispose()

i need help how to pass parameter to stored procedure for check the id which we get from the datagrid click for display the datas which we get from the database.

[kvprajapati]

...

Dim mydst As New DataSet
MyConnection.ConnectionString = connstring
Dim disp As New SqlDataAdapter("sp_developer_display", MyConnection)

disp.SelectCommand.Parameters.AddWithValue("@developerid",10)

disp.Fill(mydst, "dev_display")

...

[rp_prakash]

i change the coding but not works