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Returns the value of the specified column as a double-precision floating-point number.
Public Overrides Function GetDouble(ByVal ordinal As Integer) As Double
public override double GetDouble(int ordinal)
An ordinal number indicating the column from which the value is obtained. The numbering is zero-based.
The value of the specified column.
No conversions are performed, so the data retrieved must already be a double-precision floating-point number.
Call the SADataReader.IsDBNull method to check for null values before calling this method.