Updating dataset with grid

Note that this is only applicable if you are using the Client-side Row Model.

If you are using viewport or Server-side the data would be passed to the grid through a datasource and the specifics on how to update each model would be explained in their respective docs.

Added)); USE [master] GO CREATE DATABASE [My School] GO USE [My School] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Course]([Course ID] [nvarchar](10) NOT NULL, [Year] [smallint] NOT NULL, [Title] [nvarchar](100) NOT NULL, [Credits] [int] NOT NULL, [Department ID] [int] NOT NULL, CONSTRAINT [PK_Course] PRIMARY KEY CLUSTERED ( [Course ID] ASC, [Year] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Department]([Department ID] [int] IDENTITY(1,1) NOT NULL, [Name] [nvarchar](50) NOT NULL, [Budget] [money] NOT NULL, [Start Date] [datetime] NOT NULL, [Administrator] [int] NULL, CONSTRAINT [PK_Department] PRIMARY KEY CLUSTERED ( [Department ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY] GO INSERT [dbo].[Course] ([Course ID], [Year], [Title], [Credits], [Department ID]) VALUES (N'C1045', 2012, N'Calculus', 4, 7) INSERT [dbo].[Course] ([Course ID], [Year], [Title], [Credits], [Department ID]) VALUES (N'C1061', 2012, N'Physics', 4, 1) INSERT [dbo].[Course] ([Course ID], [Year], [Title], [Credits], [Department ID]) VALUES (N'C2021', 2012, N'Composition', 3, 2) INSERT [dbo].[Course] ([Course ID], [Year], [Title], [Credits], [Department ID]) VALUES (N'C2042', 2012, N'Literature', 4, 2) SET IDENTITY_INSERT [dbo].[Department] ON INSERT [dbo].[Department] ([Department ID], [Name], [Budget], [Start Date], [Administrator]) VALUES (1, N'Engineering', 350000.0000, CAST(0x0000999C00000000 AS Date Time), 2) INSERT [dbo].[Department] ([Department ID], [Name], [Budget], [Start Date], [Administrator]) VALUES (2, N'English', 120000.0000, CAST(0x0000999C00000000 AS Date Time), 6) INSERT [dbo].[Department] ([Department ID], [Name], [Budget], [Start Date], [Administrator]) VALUES (4, N'Economics', 200000.0000, CAST(0x0000999C00000000 AS Date Time), 4) INSERT [dbo].[Department] ([Department ID], [Name], [Budget], [Start Date], [Administrator]) VALUES (7, N'Mathematics', 250024.0000, CAST(0x0000999C00000000 AS Date Time), 3) SET IDENTITY_INSERT [dbo].[Department] OFF ALTER TABLE [dbo].[Course] WITH CHECK ADD CONSTRAINT [FK_Course_Department] FOREIGN KEY([Department ID]) REFERENCES [dbo].[Department] ([Department ID]) GO ALTER TABLE [dbo].[Course] CHECK CONSTRAINT [FK_Course_Department] GO using System; using System.

Can anyone tell me the best way to update a dataset while it is being edited/viewed in the Data Grid View control? Also, can you tell me the best book to buy that fully explains the Data Grid View control? I've got the datagridview working pretty well in the first draft of my program, and I'm not using Accept Changes at all. or should you update after closing the grid/form, etc.?

Is this something that should be inserted into one of the grid's events? I just use the Update method of the data Adapter when I'm done. Also, can you tell me the best book to buy that fully explains the Data Grid View control?

or should you update after closing the grid/form, etc.? I've got a lot to learn I know, but I have heard that Accept Changes should not be used with a Data Set because it actually may create a situation where the Data Set (in memory) is "updated", but not the disk database file, and later when you use "Update", vb thinks the changes have already been made.

Updating via the row Node methods is supported in all row models.

Updating data via the row Node methods will refresh the grid for the required rows if they are showing, however it will not update the grids sorting, filtering or grouping if the new data impacts such.

, the grid discards all previous selections and filters, and completely overwrites the old data with the new.This section explains how to update the grid's data using the grid's API's.As well as using the grid's API's, the grid also allows updating data in the following other ways which are explained in other sections of the documentation: This section of the documentation is regarding using the grid's API to update data.Also, can you tell me the best book to buy that fully explains the Data Grid View control? Interesting that not a lot of people are using the datagridview object yet. In my example (from an app I am currently working on) I add data to the new row to the datagridview. Data Grid View Cell Event Args) Handles dgr Mod Sub Detail. This was mentioned in another topic in this group, and in a book "Programming VB. I don't understand the whole thing, but I'm going to keep track of your thoughts to see if I understand them better later on. The trick is to add the row to the underlying data Table which is the datasource of the datagridview: Private Sub dgr Mod Sub Detail_Cell End Edit(By Val sender As Object, By Val e As System. Rich wrote: Interesting that not a lot of people are using the datagridview object yet. In my example (from an app I am currently working on) I add data to the new row to the datagridview. Data Grid View Cell Event Args) Handles dgr Mod Sub Detail.

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