MissingMappingAction 枚举

定义

确定源表或源列中缺少映射时发生的操作。Determines the action that occurs when a mapping is missing from a source table or a source column.

public enum class MissingMappingAction
public enum MissingMappingAction
type MissingMappingAction = 
Public Enum MissingMappingAction
继承
MissingMappingAction

字段

Error 3

如果缺少指定的列映射,则生成 InvalidOperationExceptionAn InvalidOperationException is generated if the specified column mapping is missing.

Ignore 2

忽略没有映射的列或表。The column or table not having a mapping is ignored. 返回 nullReturns null.

Passthrough 1

创建源列或源表,并使用其原始名称将其添加到 DataSetThe source column or source table is created and added to the DataSet using its original name.

注解

这些值用作GetColumnMappingBySchemaAction方法中的参数和GetTableMappingBySchemaAction方法。 MissingMappingActionThe MissingMappingAction values are used as arguments in the GetColumnMappingBySchemaAction method, and the GetTableMappingBySchemaAction method.

适用于