dotConnect for PostgreSQL Documentation
Devart.Data.PostgreSql Namespace / PgSqlDataReader Class / GetFloat Method / GetFloat(Int32) Method
Example

GetFloat(Int32) Method
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
 

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(PgSqlConnection myConnection) {
  PgSqlCommand cmd = new PgSqlCommand("SELECT * FROM Test.AllTypes");
  cmd.Connection = myConnection;
  myConnection.Open();
  try {
    PgSqlDataReader reader = cmd.ExecuteReader();
    reader.Read();
    float recievedFloat = reader.GetFloat(reader.GetOrdinal("FloatCol"));
    reader.Close();
  }
  finally {
    myConnection.Close();
  }
}
Shared Sub GetMyFloat(ByVal myConnection As PgSqlConnection)
  Dim cmd As New PgSqlCommand("SELECT * FROM Test.AllTypes")
  cmd.Connection = myConnection
  myConnection.Open()
  Try
    Dim reader As PgSqlDataReader = cmd.ExecuteReader
    reader.Read()
    Dim recievedFloat As Single = reader.GetFloat(reader.GetOrdinal("FloatCol"))
    reader.Close()
  Finally
    myConnection.Close()
  End Try
End Sub
See Also