SqlDataReader.GetSqlSingle(Int32) 方法

定義

取得指定的資料行值做為 SqlSingleGets the value of the specified column as a SqlSingle.

public:
 System::Data::SqlTypes::SqlSingle GetSqlSingle(int i);
public System.Data.SqlTypes.SqlSingle GetSqlSingle (int i);
member this.GetSqlSingle : int -> System.Data.SqlTypes.SqlSingle
Public Function GetSqlSingle (i As Integer) As SqlSingle

參數

i
Int32

以零為基底的資料行序數。The zero-based column ordinal.

傳回

表示為 SqlSingle 的資料行值。The value of the column expressed as a SqlSingle.

備註

不會執行任何轉換;因此,抓取的資料必須已經是單精確度浮點數,否則就會產生例外狀況。No conversions are performed; therefore, the data retrieved must already be a single precision floating point number, or an exception is generated.

適用於

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