ConnStr = "Provider=MSDAORA;DSN=oracle;User ID=system;Password=manager";
Conn = new OleDbConnection(ConnStr);
Conn.Open();
DataAdpt = new OleDbDataAdapter("Select * from Emp",Conn);
CBuild = new OleDbCommandBuilder(DataAdpt);
DataSet1 = new DataSet("Emp");
DataTable1 = new DataTable("Emp");
DataAdpt.Fill(DataSet1,"Emp");