Пример #1
0
        /*
         * //
         * public DataTable GetFieldMetaDataRecord(int fieldId)
         * {
         *  SqlCommand com = DataAccessHelper.CreateCommand("spGetFieldMetadataRecord");
         *  DataAccessHelper.AddIntInputParam(com,"FieldId",fieldId);
         *  DataSet ds = DataAccessHelper.GetRecord(com);
         *
         *  return ds.Tables[0];
         * }
         */
        //

        /*
         * public DataTable GetFieldValues(string tableName, string fieldName)
         * {
         *  string sql = "SELECT " + tableName + "." + fieldName + " theValue, "
         + "Count(" + tableName + "." + fieldName + ")  Count "
         + "FROM " + tableName + " "
         + "GROUP BY " + tableName + "." + fieldName + " "
         + "ORDER BY Count(" + tableName + "." + fieldName + ") DESC;";
         +
         +  SqlCommand com = DataAccessHelper.CreateSqlCommand(sql);
         +  DataSet ds = DataAccessHelper.GetRecord(com);
         +
         +  return ds.Tables[0];
         + }
         */
        public DataTable GetFieldValues(int fieldId, string tableName, string fieldName)
        {
            MetadataNewDa MNDa      = new MetadataNewDa();
            bool          isVirtual = MNDa.MetaTableFieldIsVirtual(fieldId);
            string        sql;

            if (isVirtual)
            {
                sql = "SELECT FieldValue theValue, Count(FieldValueId)  Count "
                      + "FROM MetadataFieldValues WHERE FieldId = " + fieldId + " GROUP BY FieldValue "
                      + "ORDER BY Count(FieldValueId) DESC;";
            }
            else
            {
                sql = "SELECT " + tableName + "." + fieldName + " theValue, "
                      + "Count(" + tableName + "." + fieldName + ")  Count "
                      + "FROM " + tableName + " "
                      + "GROUP BY " + tableName + "." + fieldName + " "
                      + "ORDER BY Count(" + tableName + "." + fieldName + ") DESC;";
            }
            SqlCommand com = DataAccessHelper.CreateSqlCommand(sql);
            DataSet    ds  = DataAccessHelper.GetRecord(com);

            return(ds.Tables[0]);
        }
Пример #2
0
        public void recode(string table, string field, string theValue, string recodeTo, int fieldId)
        {
            //implicit data type conversion in SQL server
            MetadataNewDa MNDa      = new MetadataNewDa();
            bool          isVirtual = MNDa.MetaTableFieldIsVirtual(fieldId);
            string        sql;

            if (!isVirtual)
            {
                sql = "UPDATE " + table + " ";
                if ((recodeTo == null) || (recodeTo == "Null"))
                {
                    sql = sql + "SET " + table + "." + field + " = Null ";
                }
                else
                {
                    sql = sql + "SET " + table + "." + field + " = '" + recodeTo + "' ";
                }
                sql = sql + " WHERE (((" + table + "." + field + ")='" + theValue + "'))";
            }
            else
            {
                sql = "UPDATE MetadataFieldValues ";
                if ((recodeTo == null) || (recodeTo == "Null"))
                {
                    sql = sql + " SET FieldValue = Null ";
                }
                else
                {
                    sql = sql + " SET FieldValue = '" + recodeTo + "' ";
                }
                sql = sql + " WHERE (FieldValue = '" + theValue + "' AND FieldId = " + fieldId + ") ";
            }
            SqlCommand com = DataAccessHelper.CreateSqlCommand(sql);

            DataAccessHelper.ExecuteScalar(com);
        }