How Can I Insert Values Into Stored Procedure

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ASP.NET

C#5.0

SQL-Server-2008R2

SqlCommand Command = new SqlCommand("insert into location values (@loc,@reg", _con);
            Command.Parameters.AddWithValue("@loc", txtloc.Text);
            Command.Parameters.AddWithValue("@reg", txtreg.Text);
            _con.Open();
            Command.ExecuteNonQuery();
            _con.Close();

i have location table and i'm inserting two values init
it shows that incorrect syntax near @reg

i can't find the mistake where i have done...........
thanks in advance..