Determines whether the supplied number is a decimal number.

   
 
///////////////////////////////////////////////////////////////////////////////////////////////
//
//    This File is Part of the CallButler Open Source PBX (http://www.codeplex.com/callbutler
//
//    Copyright (c) 2005-2008, Jim Heising
//    All rights reserved.
//
//    Redistribution and use in source and binary forms, with or without modification,
//    are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions and the following disclaimer in the documentation and/or
//      other materials provided with the distribution.
//
//    * Neither the name of Jim Heising nor the names of its contributors may be
//      used to endorse or promote products derived from this software without specific prior
//      written permission.
//
//    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
//    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//    IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
//    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
//    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
//    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//    POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Xml;

namespace WOSI.Utilities
{
    public class StringUtils
    {
        /// <summary>
        /// Determines whether the supplied <paramref name="number"/> is a decimal number.
        /// </summary>
        /// <param name="number">The object to check.</param>
        /// <returns>
        /// <see lang="true"/> if the supplied <paramref name="number"/> is a decimal number.
        /// </returns>
        public static bool IsDecimal(object number)
        {

            return (number is Single || number is Double || number is Decimal);
        }
   }
}

   
     


Determines whether the supplied number is an integer.

   
 
///////////////////////////////////////////////////////////////////////////////////////////////
//
//    This File is Part of the CallButler Open Source PBX (http://www.codeplex.com/callbutler
//
//    Copyright (c) 2005-2008, Jim Heising
//    All rights reserved.
//
//    Redistribution and use in source and binary forms, with or without modification,
//    are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions and the following disclaimer in the documentation and/or
//      other materials provided with the distribution.
//
//    * Neither the name of Jim Heising nor the names of its contributors may be
//      used to endorse or promote products derived from this software without specific prior
//      written permission.
//
//    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
//    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//    IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
//    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
//    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
//    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//    POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Xml;

namespace WOSI.Utilities
{
    public class StringUtils
    {
        /// <summary>
        /// Determines whether the supplied <paramref name="number"/> is an integer.
        /// </summary>
        /// <param name="number">The object to check.</param>
        /// <returns>
        /// <see lang="true"/> if the supplied <paramref name="number"/> is an integer.
        /// </returns>
        public static bool IsInteger(object number)
        {
            return (number is Int32 || number is Int16 || number is Int64 || number is UInt32
                || number is UInt16 || number is UInt64 || number is Byte || number is SByte);
        }
   }
}

   
     


parse decimal

   
  
using System;

public class Class1 {
    public static void Main(string[] args) {
        Console.Write("Enter principal:");
        string sPrincipal = Console.ReadLine();
        decimal mPrincipal = decimal.Parse(sPrincipal);

        Console.Write("Enter interest:");
        string sInterest = Console.ReadLine();
        decimal mInterest = decimal.Parse(sInterest);

        decimal mInterestPaid;
        mInterestPaid = mPrincipal * (mInterest / 100);

        decimal mTotal = mPrincipal + mInterestPaid;

        Console.WriteLine("Principal     = " + mPrincipal);
        Console.WriteLine("Interest      = " + mInterest + "%");
        Console.WriteLine("Interest paid = " + mInterestPaid);
        Console.WriteLine("Total         = " + mTotal);
    }
}

   
     


bool.Parse

   
  

using System;
using System.Collections.Generic;
using System.Text;

class Program {
    static void Main(string[] args) {
        bool myBool = bool.Parse("True");
        Console.WriteLine("-> Value of myBool: {0}", myBool);
    }
}

   
     


double.Parse

   
  

using System;
using System.Collections.Generic;
using System.Text;

class Program {
    static void Main(string[] args) {
        double myDbl = double.Parse("99.884");
        Console.WriteLine("-> Value of myDbl: {0}", myDbl);
    }
}

   
     


int.Parse

   
  

using System;
using System.Collections.Generic;
using System.Text;

class Program {
    static void Main(string[] args) {
        int myInt = int.Parse("8");
        Console.WriteLine("-> Value of myInt: {0}", myInt);
    }
}

   
     


char.Parse

   
  

using System;
using System.Collections.Generic;
using System.Text;

class Program {
    static void Main(string[] args) {
        char myChar = char.Parse("w");
        Console.WriteLine("-> Value of myChar: {0}
", myChar);
    }
}