Get value by key from configuration - CSharp System.Configuration

CSharp examples for System.Configuration:ConfigurationManager

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Description

Get value by key from configuration

Demo Code

/*//from  w  ww. j a  v a  2  s . co m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;

public class Main{
        /// <summary>
        /// 
        /// </summary>
        /// <param name="key"></param>
        /// <param name="defValue"></param>
        /// <returns></returns>
        public static System.String Get(System.String key, System.String defValue)
        {
            if (settings[key] != null)
            {
                return (System.String) settings[key];
            }

            System.String theValue = System.Configuration.ConfigurationSettings.AppSettings.Get(key);
            if (theValue == null)
            {
                return defValue;
            }
            return theValue;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="key"></param>
        /// <param name="defValue"></param>
        /// <returns></returns>
        public static long Get(System.String key, long defValue)
        {
            if (settings[key] != null)
            {
                return (long) settings[key];
            }

            System.String theValue = System.Configuration.ConfigurationSettings.AppSettings.Get(key);
            if (theValue == null)
            {
                return defValue;
            }
            return System.Convert.ToInt32(theValue.Trim());
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="key"></param>
        /// <param name="defValue"></param>
        /// <returns></returns>
        public static int Get(System.String key, int defValue)
        {
            if (settings[key] != null)
            {
                return (int) settings[key];
            }

            System.String theValue = System.Configuration.ConfigurationSettings.AppSettings.Get(key);
            if (theValue == null)
            {
                return defValue;
            }
            return System.Convert.ToInt16(theValue.Trim());
        }
}

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