BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  work with TBCDField          BorlandTalk.com Forum Index -> Delphi Databases (ADO) View previous topic :: View next topic   Author Message moritenw Guest Posted: Fri Sep 19, 2003 2:00 am    Post subject: work with TBCDField I have a project used with TADODataset, the dataset bind a MSSQL table include numeric(28, 5) Field(A).When i get the field on design state, the type of field(A) returned is TBCDField with property precision = 28 and size = 5.But the Value of Field(A) will be trunct to 4 fraction(0.2222) when i input 5 fraction number(0.22222). what is the matter? Working environment is delphi6 + mssql.please somebody tell me and help me? Back to top Ignacio Vazquez Guest Posted: Fri Sep 19, 2003 4:08 am    Post subject: Re: work with TBCDField "moritenw" <moritenw (AT) 163 (DOT) net> wrote Quote: please somebody tell me and help me? Sounds like you're using .AsCurrency to manipulate the field. Currency is restricted to 4 decimal places so you should look at .AsFloat instead. Cheers, Ignacio Back to top moritenw Guest Posted: Fri Sep 19, 2003 6:11 am    Post subject: Re: work with TBCDField That was not as you thouht. the value of property currency of Field(A) is false. I do input the value in a TDBGrid. The value was trunct after input the value and leave the cell. "Ignacio Vazquez" <ivazquezATorioncommunications.com> дÈëÓʼþ news:3f6a8158 (AT) newsgroups (DOT) borland.com... Quote: "moritenw" <moritenw (AT) 163 (DOT) net> wrote in message news:3f6a63a1 (AT) newsgroups (DOT) borland.com... please somebody tell me and help me? Sounds like you're using .AsCurrency to manipulate the field. Currency is restricted to 4 decimal places so you should look at .AsFloat instead. Cheers, Ignacio Back to top John Herbster (TeamB) Guest Posted: Thu Oct 16, 2003 2:19 pm    Post subject: Re: work with TBCDField "moritenw" <moritenw (AT) 163 (DOT) net> wrote Quote: I have a project used with TADODataset, the dataset bind a MSSQL table include numeric(28, 5) Field(A).When i get the field on design state, the type of field(A) returned is TBCDField with property precision = 28 and size >= 5. But the Value of Field(A) will be trunct to 4 fraction(0.2222) when i input 5 fraction number(0.22222). what is the matter? ... I notice in D7's Help: "The IDE uses two different field types for representing BCD fields: TBCDField and TFMTBCDField. TBCDField uses the Currency (Delphi) or System::Currency (C++) type to manipulate BCD values. This is faster than storing and manipulating the value using a true BCD type, but limits the precision of the BCD values it can support to 4 decimal places and 20 significant digits." Thus it would appear that your dataset should be using the field type TFMTBCDField. Can you change it? Regards, JohnH Back to top moritenw Guest Posted: Fri Dec 12, 2003 1:53 am    Post subject: Re: work with TBCDField thks for your respond. I had found the how to resovle it. just set the property of TADODataSet EnableBCD to False, the it will generate the TfloatField type rather than TBCDField type. "John Herbster (TeamB)" <herb-sci1 (AT) sbcglobal (DOT) net> ???? news:3f8ea799$1 (AT) newsgroups (DOT) borland.com... Quote: "moritenw" <moritenw (AT) 163 (DOT) net> wrote I have a project used with TADODataset, the dataset bind a MSSQL table include numeric(28, 5) Field(A).When i get the field on design state, the type of field(A) returned is TBCDField with property precision = 28 and size >= 5. But the Value of Field(A) will be trunct to 4 fraction(0.2222) when i input 5 fraction number(0.22222). what is the matter? ... I notice in D7's Help: "The IDE uses two different field types for representing BCD fields: TBCDField and TFMTBCDField. TBCDField uses the Currency (Delphi) or System::Currency (C++) type to manipulate BCD values. This is faster than storing and manipulating the value using a true BCD type, but limits the precision of the BCD values it can support to 4 decimal places and 20 significant digits." Thus it would appear that your dataset should be using the field type TFMTBCDField. Can you change it? 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