DataReaderExtensions.GetDecimal(DbDataReader, String) 方法

定义

获取指定列的 Decimal 形式的值。Gets the value of the specified column as a Decimal.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Decimal GetDecimal(System::Data::Common::DbDataReader ^ reader, System::String ^ name);
public static decimal GetDecimal (this System.Data.Common.DbDataReader reader, string name);
static member GetDecimal : System.Data.Common.DbDataReader * string -> decimal
<Extension()>
Public Function GetDecimal (reader As DbDataReader, name As String) As Decimal

参数

reader
DbDataReader

要从中获取列值的数据读取器。The data reader to get the column value from.

name
String

列的名称。The name of the column.

返回

Decimal

指定列的值。The value of the specified column.

例外

指定的名称不是有效的列名。The name specified is not a valid column name.

指定的强制转换无效。The specified cast is not valid.

适用于

另请参阅