GetDouble(Int32) Method

In This Topic

Gets the value of the specified column as a double-precision floating point number.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Overrides Function GetDouble( _
   ByVal ordinal As Integer _
) As Double

public override double GetDouble( 
   int ordinal
)

Parameters

ordinal

Return Value

The value of the specified column.

Remarks

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

Example

csharp

static void GetMyDouble(SalesforceConnection myConnection) {
  SalesforceCommand cmd = new SalesforceCommand("SELECT * FROM AllTypes");
  cmd.Connection = myConnection;
  myConnection.Open();
  try {
    SalesforceDataReader reader = cmd.ExecuteReader();
    reader.Read();
    double recievedDouble = reader.GetDouble(reader.GetOrdinal("DoubleCol"));
    reader.Close();
  }
  finally {
    myConnection.Close();
  }
}

Visual Basic

Shared Sub GetMyDouble(ByVal myConnection As SalesforceConnection)
  Dim cmd As New SalesforceCommand("SELECT * FROM AllTypes")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As SalesforceDataReader = cmd.ExecuteReader
    reader.Read()
    Dim recievedDouble As Double = reader.GetDouble(reader.GetOrdinal("DoubleCol"))
    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

SalesforceDataReader Class
SalesforceDataReader Members
Overload List

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