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. Delphi如何编写SQLSERVER 扩展存储过程!?? TWebBrowser问题 Win32的HANDLE数据类型定义在Delphi的哪个单元文件中? 最蠢的问题:高手不要进,如何制作delphi的可执行程序? 高手指教:word与delphi的编程 如何在sqlserver中将图片字段的内容删除 数值型问题: 关于ADO的问题? 数据库问题。 请问在Delphi中怎么调用动态生成的form? 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.