如何可以判别字段的类型？（字符型还是数字型） 同上 解决方案 » 免费领取超大流量手机卡，每月29元包185G流量+100分钟通话, 中国电信官方发货 field.DataType帮助：Identifies the data type of the field component.Delphi syntax:property DataType: TFieldType;C++ syntax:UnitDBDelphi syntax:type TFieldType = (ftUnknown, ftString, ftSmallint, ftInteger, ftWord, ftBoolean, ftFloat, ftCurrency, ftBCD, ftDate, ftTime, ftDateTime, ftBytes, ftVarBytes, ftAutoInc, ftBlob, ftMemo, ftGraphic, ftFmtMemo, ftParadoxOle, ftDBaseOle, ftTypedBinary, ftCursor, ftFixedChar, ftWideString, ftLargeint, ftADT, ftArray, ftReference, ftDataSet, ftOraBlob, ftOraClob, ftVariant, ftInterface, ftIDispatch, ftGuid, ftTimeStamp, ftFMTBcd);C++ syntax:enum TFieldType { ftUnknown, ftString, ftSmallint, ftInteger, ftWord, ftBoolean, ftFloat, ftCurrency, ftBCD, ftDate, ftTime, ftDateTime, ftBytes, ftVarBytes, ftAutoInc, ftBlob, ftMemo, ftGraphic, ftFmtMemo, ftParadoxOle, ftDBaseOle, ftTypedBinary, ftCursor ftFixedChar, ftWideString, ftLargeint, ftADT, ftArray, ftReference, ftDataSet, ftOraBlob, ftOraClob, ftVariant, ftInterface, ftIDispatch, ftGuid, ftTimeStamp, ftFMTBcd };Description__property TFieldType DataType = {read=FDataType, nodefault};DescriptionRead the DataType property to learn the type of the data the field contains. 关于TXT文档读到MEMO中的问题 list index out of bound(-1),请教高手解答,,急..急..急.. 消息问题 300分关于目录处理的问题! 如何实现在dbgrid中自动求和? 两年来一直不敢问你们的问题 关于WebBrowser多页面浏览器的问题 如何让tdbnavigator数据录入后立即物理存盘?快，快，快，帮我一把. 高手help!!help! 如何循环控制多个Button? 动态调用DLL是出现的问题，棘手中，待解决。 如何取消一个文件的只读属性？
Identifies the data type of the field component.Delphi syntax:property DataType: TFieldType;C++ syntax:
UnitDBDelphi syntax:type TFieldType = (ftUnknown, ftString, ftSmallint, ftInteger, ftWord, ftBoolean, ftFloat, ftCurrency, ftBCD, ftDate, ftTime, ftDateTime, ftBytes, ftVarBytes, ftAutoInc, ftBlob, ftMemo, ftGraphic, ftFmtMemo, ftParadoxOle, ftDBaseOle, ftTypedBinary, ftCursor, ftFixedChar, ftWideString, ftLargeint, ftADT, ftArray, ftReference, ftDataSet, ftOraBlob, ftOraClob, ftVariant, ftInterface, ftIDispatch, ftGuid, ftTimeStamp, ftFMTBcd);C++ syntax:enum TFieldType { ftUnknown, ftString, ftSmallint, ftInteger, ftWord, ftBoolean, ftFloat, ftCurrency, ftBCD, ftDate, ftTime, ftDateTime, ftBytes, ftVarBytes, ftAutoInc, ftBlob, ftMemo, ftGraphic, ftFmtMemo, ftParadoxOle, ftDBaseOle, ftTypedBinary, ftCursor ftFixedChar, ftWideString, ftLargeint, ftADT, ftArray, ftReference, ftDataSet, ftOraBlob, ftOraClob, ftVariant, ftInterface, ftIDispatch, ftGuid, ftTimeStamp, ftFMTBcd };Description__property TFieldType DataType = {read=FDataType, nodefault};DescriptionRead the DataType property to learn the type of the data the field contains.