Retrieves the value of the designated column index in the current row of this SQLServerResultSet object as a double in the Java programming language.
public double getDouble(int columnIndex)
參數
columnIndex
An int that indicates the column index.
傳回值
A double value.
例外狀況
備註
This getDouble method is specified by the getDouble method in the java.sql.ResultSet interface.
This method returns all number-based data types with Java double fidelity.
另請參閱
參考
概念
getDouble Method (SQLServerResultSet)
SQLServerResultSet Methods
SQLServerResultSet Members