Objectdatasource onupdating gridview


22-Jul-2020 08:09

Object Data Source use these methods to populate it self and expose underlying data to other data bound controls.For example following method can be consider as Select method for Object Data Source Control Object Data Source do support caching but it is only applicable when select method returns Data Set, its obvious that object caching is not supported by Object Data Source because it’s a different concern altogether.In my last article I discussed the notion of data source controls in ASP.NET 2.0, and implement the simple demonstration of Sql Data Source Control.If not, this should resolve your problem right, protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) Is there any specific reason that column to be identified as User Id in the code?If not, this should resolve your problem right, protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) ALTER PROCEDURE [Human Resources].[usp Update Employee Gender] @Employee ID1 [int], @Gender [nchar](1) AS BEGIN UPDATE [Human Resources].[Employee] SET [Gender] = @Gender WHERE [Employee ID] = @Employee ID1; END Hi, Even I got the same error when I changed Employee Id to Employee ID1, but I solved this in different way.Common" Update Method="Save Pipeline User" On Inserting="obj Common_Inserting" On Updating="obj Common_Updating" This means that the First Name column from your db will be printed in the column.However, it also pulls the entered value from the textbox when you are updating and sends it to your Object Data Source's Update Method.

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Load 事件中编写逻辑了,看图: 智能标签的刷新架构可以促使数据源控件连接数据库并读取查询的信息。 创建一些控件并进行数据绑定,看下效果: 我们知道可以用 Data Reader 或 Data View 来绑定,那么 Sql Data Source 使用的是哪一种呢?其实这决定于 Data Source Mode 的设置。 Data Set 模式几乎总会更好一些。因为它支持 排序、过滤、缓存。 可以对此做个试验。创建一个 Grid View 并绑定到 Sql Data Source ,设置 Grid View 的Auto Generate Edit Button 属性为 true ,一个新列出现在 Grid View 的左边: “更新”链接会把值传送到 Sql Data Source. Old Values Parameter Format String 属性。这个属性接收一个 作为占位符的字符串,其中 指定原始参数名称。例如,如果把 Old Values Parameter Format String 属性设置为 original_(这是一般的习惯),那么具有原始值的参数就会被赋予前缀 original_ 。 如果使用了标准的 Conflict Options(Conflict Options.

In previous tutorials we learned how the Object Data Source control allowed for inserting, updating, and deleting of data.

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If you need to brush up on implementing these features within the Grid View, Details View, and Form View, return to the Editing, Inserting, and Deleting Data tutorials, starting with An Overview of Inserting, Updating, and Deleting.

collection and can include hard-coded values, common parameter source values (querystring fields, session variables, Web control values, and so on), or can be programmatically assigned.

A Not Supported Exception is thrown if the Select Method method call returns a type other than Data Set and the Object Data Source has also enabled caching.



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