Answer Posted / pavel

object ss =null;

string s1 = ss.ToString(); ---------- exeption
string s2 = Convert.ToString(ss); --- ""

--------------------
int ss =null; --- int can't be converted to null

--------------------
int ss = 1;

string s1 = ss.ToString(); ---------- "1"
string s2 = Convert.ToString(ss); --- "1"

What are extender provider components?

849

---

What are custom exceptions in C#?

987

---

what is boxing and unboxing?can we initialize unboxing directly?

843

---

What is the use of properties window?

934

---

What are the Types of instancing properties and explain each. Explain the difference between multiuse,singleuse and globalmultiuse and which is default

948

---

Why delegates are required?

917

---

What is the use of inheritance in c#?

865

---

hi all.... i need code snippets for store and retrive tiff fromat images in sqlserver....... kindy provide it.......

1798

---

What is void in c#?

895

---

What does assert() do in c#?

958

---

List some of the basic string operation?

881

---

Give examples for reference types?

945

---

What is the interface in c#?

921

---

What is the use of tryparse in c#?

880

---

What is a property c#?

958

---