C# Compiler Error
CS0540 – ‘interface member’ : containing type does not implement interface ‘interface’
Reason for the Error
You’ll get this error in your C# code when you are trying to implement an member of interface in a class that does not inherit or derive from the interface.
For example, let’s try to compile the below C# code snippet.
using System;
namespace DeveloperPublishConsoleCore
{
interface IEmployee
{
void GetDetails();
}
class PermanentEmployee
{
// Results in the Error code CS0540
void IEmployee.GetDetails()
{
}
}
internal class Program
{
static void Main(string[] args)
{
Console.WriteLine("DeveloperPublish Hello World!");
}
}
}
In the above example, we are trying to derive an interface member GetDetails() in the PermanentEmployee class but the class itself does not derive from the interface.
Error CS0540 ‘PermanentEmployee.IEmployee.GetDetails()’: containing type does not implement interface ‘IEmployee’ DeveloperPublishConsoleCore C:\Users\senth\source\repos\DeveloperPublishConsoleCore\DeveloperPublishConsoleCore\Program.cs 12 Active
Solution
To fix this error in your C# code, you will need to delete the interface member implementation or derive the class from the specified interface.
using System;
namespace DeveloperPublishConsoleCore
{
interface IEmployee
{
void GetDetails();
}
public class TempEmployee : IEmployee
{
public void SetDate()
{
}
}
class PermanentEmploee : IEmployee
{
void IEmployee.GetDetails()
{
}
}
internal class Program
{
static void Main(string[] args)
{
Console.WriteLine("DeveloperPublish Hello World!");
}
}
}
