asp.net link oracle

1

<connectionStrings>

    <add name="ApplicationServices"

         connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true"

         providerName="System.Data.SqlClient" />

    <add name="oracle" connectionString="Data Source=10.5.45.33/xe;User ID=system;Password=412413;"

  providerName="System.Data.OracleClient" />

    <add name="oracle1" connectionString="Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.5.45.33)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=XE)));User ID=system;Password=412413"  providerName="System.Data.OracleClient"/>

   

  </connectionStrings>

2 string str = ConfigurationManager.ConnectionStrings["oracle1"].ToString();

3

                OracleConnection conn;

                conn  = new OracleConnection(str);

                conn.Open();

              

         OracleCommand com = conn.CreateCommand();

             com.CommandText = "select * from testapp";

             OracleDataReader rs = com.ExecuteReader();

           while (rs.Read())

            {

              t1.Text = t1.Text + " " + rs.GetString(2);

            }

             conn.Close();

4 IIs