How to catch return value by using Asp.net and Stored procedure(sqlserver)?

Create procedure CheckEmpId

(

@EmpId_sp varchar(10)

)

as

begin

declare @count int

select @count=count(EmpId_db) from dbo.EmployeeMaster where EmpId_db=@EmpId_sp

return @count

end

#region To display Customer names

        public Boolean getCusNo()

        {

            try

            {

                sqlcmd = new SqlCommand("getCusName_sp", sqlcon);

                sqlcmd.CommandType = CommandType.StoredProcedure;

                sqlcmd.Parameters.Add("@CusNo_sp", SqlDbType.VarChar).Value = cusNo_cl;

                sqlcmd.Parameters.Add("return_value", SqlDbType.Int).Direction=ParameterDirection.ReturnValue;

                sqlcon.Open();

                sqlcmd.ExecuteNonQuery();

                int i = Convert.ToInt32(sqlcmd.Parameters["return_value"].Value);

                if (i == 1)

                {

                    return true;

                }

                else

                {

                    return false;

                }

            }

            catch (Exception ex)

            {

                throw new Exception(ex.Message);

            }

            finally

            {

                sqlcon.Close();

            }

        }