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Devart.Data.SqlServer Namespace / SqlDataReader Class / GetFloat Method / GetFloat(Int32) Method
Example

In This Topic
    GetFloat(Int32) Method
    In This Topic
    Gets the value of the specified column as a single-precision floating point number.
    Syntax
    'Declaration
     
    Public Overloads Overrides Function GetFloat( _
       ByVal i As Integer _
    ) As Single
    public override float GetFloat( 
       int i
    )

    Parameters

    i

    Return Value

    The value of the specified column.
    Remarks

    Call IsDBNull to check for null values before calling this method.

    Example
    static void GetMyFloat(SqlConnection myConnection) {
      SqlCommand cmd = new SqlCommand("SELECT * FROM Test.AllTypes");
      cmd.Connection = myConnection;
      myConnection.Open();
      try {
        SqlDataReader reader = cmd.ExecuteReader();
        reader.Read();
        float recievedFloat = reader.GetFloat(reader.GetOrdinal("FloatCol"));
        reader.Close();
      }
      finally {
        myConnection.Close();
      }
    }
    Shared Sub GetMyFloat(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()
        Dim recievedFloat As Single = reader.GetFloat(reader.GetOrdinal("FloatCol"))
        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

    See Also