yeswecandating com - Rowupdated vs rowupdating

Hi all: I have a gridview whose source is a dataview.

You can also indicate whether the exception was handled in the event-handling method by setting the On Row Updated Row Canceling Edit On Row Canceling Edit Row Deleted On Row Deleted Row Deleting On Row Deleting Row Editing On Row Editing Row Updating On Row Updating Grid View Class System.

Row Updated和Row Updating 当使用 Update 时,每一个更新的数据行都会发生两个事件。执行顺序如下: 将 Data Row 中的值移至参数值。 引发 On Row Updating 事件。 执行命令。 如果该命令设置为 First Returned Record,返回的第一项结果将放置在 Data Row 中。 如果存在输出参数,它们将被放在 Data Row 中。 引发 On Row Updated 事件。 调用 Accept Changes。 下面的示例演示正在使用的 Row Updating 和 Row Updated 事件。 public static void Create Data Adapter( string connection String)... protected static void On Row Updating(object sender, Ole Db Row Updating Event Args args) ...

A common way to use these collections is to HTML-encode the values supplied by the user before they are stored in the data source.

event is raised when a row's Update button is clicked, but after the Grid View control updates the row.

Storing datatable in View State is not a good practice as it increases the size of your page and reduces the performance, also View State can be deciphered on the client side, so the Data Table is not secure.