C# --Checks a repeater for a null database object

checkRepeater.cs

using System;
public class Test
    //Object parameter always refers to a database item
{
    public static void Main()
    {
         checkImage(object newspic)
        object
        string
        
         if (newspic = null)
         {
         newspic.visible = false  
         }    
    }
}