Use of DataSet object in ADO.NET?

It is used in a disconnected architecture.

• Provides lower performance. A DataSet object has read/write access.
• A DataSet object supports multiple tables from various databases.
• A DataSet object is bound to multiple controls.
• A DataSet object has slower access to data.
• A DataSet object is supported by Visual Studio tools.
• We can create relations in a dataset.
• A Dataset supports integration with XML.
• A DataSet communicates with the Data Adapter only.
• A DataSet can modify data.

A DataSet is a collection of DataTable and DataRelations. Each DataTable is a collection of DataColumn, DataRows and Constraints.
Example:

1. DataTable dt = new DataTable();  
2. DataColumn col =new DataColumn();  
3. Dt.columns.Add(col2);  
4. DataRow row = dt.newRow();  

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About Mallikarjun A