BlogEngine.Core.Providers.DbRoleProvider.RoleExists C# (CSharp) Method

        public override bool RoleExists(string roleName)
        {
            var roleFound = false;

            using (var conn = this.CreateConnection())
            {
                if (conn.HasConnection)
                {

                    using (var cmd = conn.CreateTextCommand(string.Format("SELECT roleID FROM {0}Roles WHERE BlogID = {1}blogid AND role = {1}role", this.tablePrefix, this.parmPrefix)))
                    {
                        cmd.Parameters.Add(conn.CreateParameter(FormatParamName("blogid"), Blog.CurrentInstance.Id.ToString()));
                        cmd.Parameters.Add(conn.CreateParameter(FormatParamName("role"), roleName));

                        using (var rdr = cmd.ExecuteReader())
                        {
                            roleFound = rdr.Read();
                        }
                    }
                }
            }

            return roleFound;
        }