Compiler Error Message: CS1009: Unrecognized escape sequence

Compiler Error Message: CS1009: Unrecognized escape sequence
Source Error:

Line 16: { Line 17: Line 18: SqlConnection dbConnection = new SqlConnection("server=(Server\Instance); Line 19: uid=;pwd=;database=DBname;"); Line 20:

Solution:

SqlConnection dbConnection = new SqlConnection("server=server\\Instance;uid=sa;pwd=;database=DBname;");

Or

SqlConnection dbConnection = new SqlConnection("Server=(local);Integrated Security=true;Initial Catalog=DBname;");