ADO.NET Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ADO.NET Interview Questions

Questions Answers Views Company eMail

Which method in OLEDBAdapter is used to populate dataset with records?

1069

Which object needs to be closed?

2306

What are different layers of ADO.Net?

1144

What are typed and untyped dataset?

1147

Which method is used to sort the data in ADO.Net?

2026

Which object is used to add relationship between two Datatables?

1092

Which is the best method to get two values from the database?

1013

What are all the classes that are available in System.Data Namespace?

1065

What are the uses of Stored Procedure?

1111

What is the default Timeout for SqlCommand.CommandTimeout property?

1065

What are the classes in System.Data.Common Namespace?

1207

What are the methods of XML dataset object?

1061

What are all the different authentication techniques used to connect to MS SQL Server?

1132

Which method is used by command class to execute SQL statements that return single value?

1093

What are the 3 major types of connection objects in ado.net?

1050

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Un-Answered Questions { ADO.NET }

Is it possible to edit data in Repeater control?

1002

What is ado code?

996

What is the significance of CommandBehavior.CloseConnection ?

1212

Where is adodb dll located?

1001

I loaded the dataset with a table of 10 records. One of the records is deleted from the backend, how do you check whether all the 10 records were present while updating the data(which event and steps) and throw the exception 28 can datareader hold data from multiple tables?

1082

What is the return type of executescalar?

1069

Explain why canot we use multiple inheritance and garbage collector paralelly in .net?

1064

What is openrowset?

1032

What is meant by executenonquery?

988

What is untyped dataset?

1143

What are the important features of ado.net 2.0?

1116

What is oledb driver?

994

How to Read, Add, Update and Delete record in Entity Framework ?

1090

Which name space is used to get assembly details?

1037

What connected data?

1023

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