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

ADO.NET Interview Questions

Questions Answers Views Company eMail

What is the difference between a datareader and a dataset?

943

How can we load multiple tables in a dataset?

1093

How can we add relation between tables in a dataset?

939

How can we save all data from dataset?

942

Can we connect two dataadapters to same data source using single connection at same time?

934

What are the usages of the command object in ado.net?

969

What is partial class?

924

Explain the dataadapter class in ado.net?

1128

Which provider is used to connect ms access, oracle, etc…?

947

What are the parameters that control most of connection pooling behaviours?

1011

How can we load multiple tables in to dataset?

1034

What is a datareader object?

1047

What is the difference between the clone() and copy() methods of the dataset class?

1016

How can you add or remove rows from the datatable object of dataset?

969

What is the role of the dataset object in ado.net?

1060

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Un-Answered Questions { ADO.NET }

What provider ado.net use by default? Explain the role of data provider in ado.net? What is the role of data provider in ado.net?

923

Explain About ado.net components/objects. Usage of data adapters and tell the steps to retrieve data.

1029

How to copy the contents from one table to another table and how to delete the source table in ado.net?

962

What is a column variable?

877

Why do we need ado.net?

910

What is partial class?

924

What is variable view?

830

How to bind the controls(best practice) comboboxes to the data in the dataset?

1006

Explain the difference between ado and ado.net?

880

What is the difference between sqldatareader and sqldataadapter?

917

What is data adapter in ado.net with example?

951

Which namespaces are used for data access?

1122

What is datatable in ado.net?

923

What is linq and entity framework?

941

How to find the given query is optimised one or not?

919

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