C#

using (SqlCommand cmd = new SqlCommand("Select Address1, Address2, LinkedDoc, Recid from Contsupp2 Where Rectype = 'L' AND U_ADDRESS1 Like @param", conn))
{
  cmd.Parameters.Add("param", SqlDbType.VarChar,10).Value = @"S:\RWE%";
  using (SqlDataReader reader = cmd.ExecuteReader())
  {
    txt.Clear();
    while (reader.Read())
    {
      string strOrigFilePath = (reader.GetString(2).Substring(reader.GetString(2).IndexOf("FILENAME=") + 9));

hi , i have error in connection c# with oracle 11g express edition i put my connection string in app.config file "<add name="ConnectionString" connectionString="Provider=MSDAORA;Data Source=localhost;Password=LIB314;User ID=LIB_DB" providerName="System.Data.OleDb" />"
when i want to run a query it gives me error says "The 'MSDAORA' provider is not registered on the local machine" , i use windows 8.1 pro x64 ... any can help me please?

// requires: using System.Dynamic

dynamic TheExpando = new ExpandoObject();

// add a new virtual property
TheExpando.NewProperty = "some new stuff";

// Expando within Expando
TheExpando.NewBagOfProperties = new ExpandoObject();

TheExpando.NewBagOfProperties.DriversLicense = "A873T23L";
TheExpando.NewBagOfProperties.SocialSecurityNumber = "958-349-3988";

TheExpando.SomeInteger = 100;
TheExpando.AnotherInteger = 200;

// create a block of executable code
Action aMethod = new Action(() =>
{
    MessageBox.Show((test1.TheExpando.SomeInteger + test1.TheExpando.AnotherInteger).ToString());
    test1.TheExpando.SomeInteger += 1000;
});

// add the code to the Expando
test1.TheExpando.AMethod = aMethod;

// requires: using System.Dynamic
// requires: using System.Runtime.Serialization;
[KnownType(typeof(System.Delegate))]
[KnownType(typeof(System.Action))]
[KnownType(typeof(System.Dynamic.ExpandoObject))]
[DataContract]
public class SomeClassThatIncluesAnExpando
{
    [DataMember]
    public dynamic TheExpando { set; get; }

    // yada yada yada ... more stuff
}