Answer / Pooja Verma

The SqlConnection object in ADO.NET represents a connection to an SQL Server database. It provides methods for opening, closing, and testing the connection. The SqlConnection object is also used as the base class for other data provider-specific connections (like OleDbConnection for OLE DB providers).n```csharpnSqlConnection con = new SqlConnection("connection string"); // Connect to SQL Server using the specified connection stringncon.Open(); // Open the connectionn// Now, you can perform database operations using the connection objectncon.Close(); // Close the connection when donen```

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