GetProviderSpecificValue(Int32) Method

In This Topic

Gets the value of the specified column. If possible, a provider-specific type is used.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Overrides Function GetProviderSpecificValue( _
   ByVal i As Integer _
) As Object

public override object GetProviderSpecificValue( 
   int i
)

Parameters

i

Return Value

The value to return.

Remarks

This method returns System.DBNull for null data source columns.

Example

csharp

static void GetMyFieldType(SqlConnection myConnection) {
  SqlCommand cmd = new SqlCommand("SELECT * FROM Test.AllTypes");
  cmd.Connection = myConnection;
  myConnection.Open();
  try {
    SqlDataReader reader = cmd.ExecuteReader();
    reader.Read();

    for (short i = 0; i < reader.FieldCount; i++) {
      object someValue = reader.GetProviderSpecificValue(i);
      Console.Write(reader.GetProviderSpecificFieldType(i).FullName + " : ");
      Console.WriteLine(someValue.ToString());
    }

    reader.Close();
  }
  finally {
    myConnection.Close();
  }
}

Visual Basic

Shared Sub GetMyFieldType(ByVal myConnection As SqlConnection)
  Dim cmd As New SqlCommand("SELECT * FROM Test.AllTypes")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As SqlDataReader = cmd.ExecuteReader
    reader.Read()
    For i As Short = 0 To reader.FieldCount - 1
      Dim someValue As Object = reader.GetProviderSpecificValue(i)
      Console.Write((reader.GetProviderSpecificFieldType(i).FullName & " : "))
      Console.WriteLine(someValue.ToString)
    Next i
    reader.Close()
  Finally
    myConnection.Close()
  End Try
End Sub

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

SqlDataReader Class
SqlDataReader Members
Overload List

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