GetFloat(Int32) Method

In This Topic

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

Syntax

Visual Basic
C#

'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

csharp

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();
  }
}

Visual Basic

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

Reference

SqlDataReader Class
SqlDataReader Members
Overload List

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