C#

MarkPhB wrote:

Because i couldn't implement the interface explicit

public interface ISomeInterface{
    void SomeMethod();
}

public class BaseClass : ISomeInterface {
    void SomeInterface.SomeMethode(){        
        ...    
    }
}

public class DerivedClass : BaseClass{
   void AnotherMethod(){
      //This wont work, its implemented explicitly
      //this.SomeMethod()
      //This will work
      ((ISomeInterface)this).SomeMethod();
   }
}

public class BaseClass : ISomeInterface {
    public void SomeMethode(){        
        ...    
    }
}

mr.mohsen wrote:

i can not open another connection to that database or anyoneelse untill previouse connection will be close.

Mark Salsbery
Microsoft MVP - Visual C++

"The DataReceived event is not guaranteed to be raised for every byte received. Use the BytesToRead property to determine how much data is left to be read in the buffer."

private void textBox1_TextChanged(object sender, EventArgs e)
{
	label1.Text = string.Format("You use {0} out of {1} characters", textBox1.Text.Length, textBox1.MaxLength);
}