Why do we use interfaces in c#?

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Can abstract class be instantiated c#?

0 Answers  

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I am using a data table and a datagridview. I am creating two columns in data grid view : 1)DataGridViewComboBoxColumn 2)DataGridViewTextBoxColumn. The items of datagridviewcombo are the list of all items in data table column 1. I want that the data type of the DataGridViewTextBoxColumn should be the same as the data type of the item selected from the datagridviewcombo at runtime. How can I do that.Also I want that each cell in column of datatable should be of variable data type. Pls help. thnx.

1 Answers   Storm,

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What is callback delegate in c#?

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Can I use ReaderWriterLock instead of Monitor.Enter/Exit for Threading?

0 Answers   HCL,

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What does it mean to override a method?

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How many dimensions can an array have?

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How can you overload a method?

6 Answers  

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What is the difference between private and protected in c#?

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What is multicast delegate explain with example?

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What does break do in loop?

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Trace the O/p for a program on inheritance and Polymorphism. 3 classes A,B,C A with two methods public virtual SomeMethodA public virtual SomemoreMethodA B:A overide SomeMethodA C:B new Method SomeMethodA override SomeMoreMethodA main method { b new instance of B b.SomeMethodA b.SomeMoreMethodA b1 new instance of C b1.SomeMethodA b1.SomeMoreMethodA }

2 Answers   Proteans,

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