Error In Opening My SP Class

Hello,

I put my stored procedure in my class and try to execute it but get this error

1st here is my class

 1 public signup_data_entry()
2 {
3 SqlConnection con = new SqlConnection("cellulant_ConnectionString");
4
5
6 SqlCommand command = new SqlCommand("Cellulant_Users_registration", con);
7 command.CommandType = CommandType.StoredProcedure;
8
9 con.open();
10
11 command.Parameters.Add(new SqlParameter("@RegionID", SqlDbType.Int, 0, "RegionID"));
12 command.Parameters.Add(new SqlParameter("@RegionDescription", SqlDbType.NChar, 50, "RegionDescription"));
13
14 command.Parameters[0].Value = 4;
15 command.Parameters[1].Value = "SouthEast";
16
17 int i = command.ExecuteNonQuery();
18
19
20 }
 

 

 

 

and here is the error message on the testing server. Error line is line 27 below

 

 Source Error:



Line 25: command.CommandType = CommandType.StoredProcedure;
Line 26:
Error >>> Line 27: con.open();
Line 28:
Line 29: command.Parameters.Add(new SqlParameter("@RegionID", SqlDbType.Int, 0, "RegionID"));


Source File: c:inetpubwwwrootcellulant1App_Codesignup_data-entry.cs Line: 27