tdataset

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How use TDataset and Dll with Delphi

I\'d like create a dll to import data from a file (different format, for example csv, txt, xls, ...). My idea is this: the dll load the data with her \"engine\" then send this data to my application s[详细]

2023-04-06 11:13 分类：问答
Updateing dataset

Lets say I have 2 datasets: A and B, that have th开发者_运维百科e same columns. I want to get the \'distance path\' - minimal operations needed to be done, to change datasets A to B.[详细]

2023-03-12 16:47 分类：问答
How do I determine when a record is inserted in a TDataSet?

I am writing a grid control that will display the contents of either a TDataSet or a TObjectList. When you only need to support TDataSet, things are quite simple:[详细]

2023-02-03 19:17 分类：问答
Best way to swap two records in TDataset Delphi?

New to delphi and database programming in general but am curious if there is a better way to swap records in a TDataset? I have read through some help and cant find any obvious methods. Currently I ha[详细]

2023-01-07 05:21 分类：问答
Database application using MVC paradigm

In classic Delphi database application we have a form, a set of data-aware visual controls connected to TDataSets via TDataSources. If one wants to design database application using MV开发者_开发百科C[详细]

2022-12-26 03:58 分类：问答
nt检查报告单上如何看出是生女儿还是生儿子?？

我已经怀孕12周了，这个是第二胎，之前去医院做产检的时候，医生说需要在12周做NT检查，于是今天就做了NT，刚刚才拿到报告单，听网上有人说跟nt检查开发者_运维技巧报告单可以判断生男生女，所以我也蛮好奇的，想问[详细]

2022-12-16 22:04 分类：问答