DbfNullColumn 方法 |  |
DbfNullColumn 类型公开以下成员。
方法| 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 DbfColumn。) |
| GetBit | Read a bit from the specified position |
| GetValue | Get the value from the buffer (重写 GetValue(Byte).) |
| HandleNullValue | Handle NULL values. (继承自 DbfColumn。) |
| InitValue | Initialize the buffer used for appends. Gets called once when a DBF is opened. (重写 InitValue(Byte).) |
| NewRecord | Update the buffer after appending. For example for AutoIncrement or TimeStamp columns. (继承自 DbfColumn。) |
| PutValue | Write the value to the buffer (重写 PutValue(Object, Byte).) |
| SameType | Check if two fields match in type, length and decimals. (继承自 RddFieldInfo。) |
| SetBit | Set a bit at the specified position |
| ToString | (继承自 RddFieldInfo。) |
| Validate | Validate combinations of type, length and decimals. (继承自 RddFieldInfo。) |
参见