In the page load event I assigned dropdownlist’s datasource property to a valid list. On the submit button click.. The same datasource property is coming as null. Why?

59

---

What is the use of & in excel?

1

---

How do I get to the root directory?

49

---

What is gutter in newspaper?

14

---

Explain how to develop a test plan and a test case.

81

---

---

Why are 'mitochondria' called as 'power house' of a cell?

74

---

How are the differences in help () and dir () functions?

65

---

Explain entity set?

83

---

Explain bin file in android?

37

---

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

707

---

Explain split(), sub(), subn() methods of “re” module in python.

67

---

in gas chromatography what is the difference between gas flow rate and average linear velocity ?

1223

---

Can we create an object of private class?

52

---

Can two different columns be merged into single column? Show practically?

92

---

Explain why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

60

---