Insert data in 3 tables

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SQL

MS-Access

hello

i want insert data in acces file whit the query

string query = "INSERT INTO [USER] (Use_Sgi, Use_FirstName, Use_LastName, Use_Email, Use_MobilePhone, Use_BusinessPhone, Com_ID, Loc_ID ) values (@sgi,@nom,@prenom,@email,@telephonefix,@telphonemobile,@company,@localiter); select @@identity()";
                        OleDbCommand cmd = new OleDbCommand(query, con);
                        cmd.Parameters.AddWithValue("@sgi", txtsgi.Text);
                        cmd.Parameters.AddWithValue("@nom", txtnom.Text);
                        cmd.Parameters.AddWithValue("@prenom", txtprenom);
                        cmd.Parameters.AddWithValue("@email", txtemail);
                        cmd.Parameters.AddWithValue("@telphonefix", txttelphonefix);
                        cmd.Parameters.AddWithValue("@telphonemobile", txttelephonemobile);
                        cmd.Parameters.AddWithValue("@company", cbocompany.Text);
                        cmd.Parameters.AddWithValue("@localiter", cbolocaliter.Text);

                        con.Open();
                        var NewIdentity = cmd.ExecuteScalar();
                        con.Close();

i have error characters found after end of sql statement access

What I have tried:

How can I fix this issue ! Thx in advance