CSConnect.cColumnsInfo.add C# (CSharp) Method

        public cColumnInfo add(cColumnInfo c, String key)
        {
            try
            {

                if (c == null)
                {
                    c = new cColumnInfo();
                }

                if (key == "")
                {
                    key = cReportGlobals.getKey(cReportGlobals.getNextKey().ToString());
                }
                else
                {
                    cReportGlobals.refreshNextKey(key);
                    key = cReportGlobals.getKey(key);
                }

                c.setPosition(count());
                c.setKey(key);
                Add(key, c);

                return c;
            }
            catch
            {
                return null;
            }
        }

        private bool fillColumns(string sqlstmt)
        {
            var db = new cDataBase(csDatabaseEngine.SQL_SERVER);

            if (db.initDb(m_strConnect))
            {
                DbDataReader rs;
                if (db.openRs(sqlstmt, out rs, "fillColumns", "cConnect", "Update columns's definition", CSKernelClient.eErrorLevel.eErrorInformation))
                {
                    for (int i = 0; i < rs.FieldCount; i++)
                    {
                        var column = new cColumnInfo();
                        column.setName(rs.GetName(i));
                        column.setPosition(i);
                        column.setColumnType((csDataType)System.Type.GetTypeCode((rs.GetFieldType(i))));
                        m_columnsInfo.add(column, "");
                    }
                }
                else
                {
                    return(false);
                }
            }
            return(true);
        }