SqlDataRecord.GetChar(Int32) SqlDataRecord.GetChar(Int32) SqlDataRecord.GetChar(Int32) SqlDataRecord.GetChar(Int32) Method

定义

获取序号所指定的列的值,其形式为 CharGets the value for the column specified by the ordinal as a Char.

public:
 virtual char GetChar(int ordinal);
public virtual char GetChar (int ordinal);
abstract member GetChar : int -> char
override this.GetChar : int -> char
Public Overridable Function GetChar (ordinal As Integer) As Char

参数

ordinal
Int32 Int32 Int32 Int32

从零开始的列序号。The zero-based ordinal of the column.

返回

Char 形式的列值。The column value as a Char.

实现

异常

ordinal 小于 0 或大于列数(即 FieldCount)。The ordinal is less than 0 or greater than the number of columns (that is, FieldCount).

ordinal 指定的列为 null。The column specified by ordinal is null.

适用于