What is arraylist c#?

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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?

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What do constructors do in c#?

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Why ref is used in c#?

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Explain the difference between passing parameters by value and passing parameters by reference with an example?

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What is extension method in c sharp?

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Can a struct be null?

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What is the differnce between Array and Hash Table?

3 Answers   Impetus, TCS,

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How do you determine whether a string represents a numeric value?

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What is private protected in c#?

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What is uint64?

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How to override a function in c#?

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