DbfAutoIncrementColumn 方法 |
DbfAutoIncrementColumn 类型公开以下成员。
名称 | 说明 | |
---|---|---|
BlankValue | Return the blank (non null) value of the column. (继承自 RddFieldInfo。) | |
Clone | Clone a RddFieldInfo object. (继承自 RddFieldInfo。) | |
CopyValues | Copy values from one object to another. (继承自 RddFieldInfo。) | |
EmptyValue | Get the default "empty" value, as you would get at EOF (继承自 DbfIntegerColumn。) | |
GetValue | Get the value from the buffer (继承自 DbfIntegerColumn。) | |
HandleNullValue | Handle NULL values. (继承自 DbfColumn。) | |
InitValue | Initialize the buffer used for appends. Gets called once when a DBF is opened. (继承自 DbfIntegerColumn。) | |
NewRecord | Update the buffer after appending. For example for AutoIncrement or TimeStamp columns. (重写 NewRecord(Byte).) | |
PutValue | Write the value to the buffer (重写 PutValue(Object, Byte).) | |
Read | Read the next autoincrement number from the dbf header | |
SameType | Check if two fields match in type, length and decimals. (继承自 RddFieldInfo。) | |
ToString | (继承自 RddFieldInfo。) | |
Validate | Validate combinations of type, length and decimals. (继承自 DbfIntegerColumn。) | |
Write | Write the next autoincrement number to the dbf header |