Thursday, April 2, 2009

Asp.Net Interview Questions Part III

21. Explain what a diffgram is, and a good use for one?

Ans. The DiffGram is one of the two XML formats that you can use to render DataSet object contents to XML. For reading database data to an XML file to be sent to a Web Service.

22. Whats MSIL, and why should my developers need an appreciation of it if at all?

Ans. MSIL is the Microsoft Intermediate Language. All .NET compatible languages will get converted to MSIL.

23. Which method do you invoke on the DataAdapter control to load your generated dataset with data?

Ans. The .Fill() method

24. Can you edit data in the Repeater control?

Ans. No, it just reads the information from its data source

25. Which template must you provide, in order to display data in a Repeater control?

Ans. ItemTemplate

26. How can you provide an alternating color scheme in a Repeater control?

Ans. Use the AlternatingItemTemplate

27. What property must you set, and what method must you call in your code, in order to bind the data from some data source to the Repeater control?

Ans. You must set the DataSource property and call the DataBind method.

28. What base class do all Web Forms inherit from?

Ans. The Page class.

29. Name two properties common in every validation control?

Ans. ControlToValidate property and Text property.

30. What tags do you need to add within the asp:datagrid tags to bind columns manually?

Ans. Set AutoGenerateColumns Property to false on the datagrid tag

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