如何插入主数据表 [英] How Insert Master-Detail DataTable Row
本文介绍了如何插入主数据表的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
有2个表:
主表=>列:ID,DetailTable_ID,描述
DetailTable =>列:ID,标题
首先,我想向DetailTable添加一行,然后我想向MasterTable添加一行,这将需要一个新的DetailTable row.ID,该ID为-1.
我想将它们添加到DataSet中而不是DataBase中.
我试过了:
There are 2 Table:
MasterTable => Columns: ID, DetailTable_ID, Description
DetailTable => Columns: ID, Title
First I wanna add a row to DetailTable, then I wanna add a row to MasterTable that it will requires a new DetailTable row.ID which is -1.
I want to add them to DataSet not DataBase.
I''d tried this:
long movieID = long.Parse(this.Movie.SelectedValue.ToString());
Data.VMS.DataSet.MovieGenreRow row = this.VMSDataSet.MovieGenre.NewMovieGenreRow();
row.Movie_ID = movieID;
Data.VMSDataSet.GenreRow genreRow = this.VMSDataSet.Genre.NewGenreRow();
genreRow.Title = this.GenreTitle.Text;
genreRow.Description = this.GenreDescription.Text;
this.VMSDataSet.Genre.Rows.Add(genreRow);
row.Genre_ID = -1;
this.VMSDataSet.MovieGenre.Rows.Add(row);
推荐答案
我更新了到genreRow数据库中,然后检索其ID.
没别的了.
I Update to database just genreRow then retrieve its ID.
There is noway else.
这篇关于如何插入主数据表的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文