C#

ghumman63 wrote:

comlite time error

ghumman63 wrote:

but in my application i have a function and its return type is generic list of abc_voucher and i am returning from this function the generic list of class def_voucher which is derived from abc_voucher , but it gives an comlite time error

namespace CS<br />
{<br />
    class Program<br />
    {<br />
        static void Main(string[] args)<br />
        {<br />
            B Obj = new B();<br />
            List<A> _list =Obj.GetList();<br />
        }<br />
    }<br />
    /// <summary><br />
    /// base<br />
    /// </summary><br />
    class A<br />
    {<br />
        protected int Age=0;<br />
        public A() { }<br />
        public A(int age)<br />
        {<br />
            this.Age = age;<br />
        }<br />
    }<br />
    /// <summary><br />
    /// derived<br />
    /// </summary><br />
    class B : A<br />
    {<br />
        <br />
        public List<A> GetList()<br />
        {<br />
            List<A> GList = new List<A>();<br />
            GList.Add(new A(21));<br />
            GList.Add(new A(22));<br />
            GList.Add(new A(23));<br />
            return GList;<br />
<br />
        }<br />
    }<br />
}

<whatever name="something" />
<whatever name="something"></whatever>

XmlNode whateverEle = ...;
whateverEle.InnerText = "some text";

class Foo
{
   Foo(string[] variables)
   {
      this.A = variables[0];
      this.B = variables[1];
      ...
   }
}

<br />
public class Foo{<br />
    string a1, b1;<br />
    Foo(string A, string B){<br />
       a1=A;<br />
       b1=B;<br />
    }<br />
}<br />