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You can handle the Updated event to examine any return values, output parameters, and exceptions, and to perform any post-processing.

Update Parameters 集合。接着 Object Data Source 在 Employee DB 类中查找 Update Employee()的方法,这个方法必须包含具有相同名字的相同参数。 Data Object Method 特性标识了该方法所执行的操作类型以及该方法是否是默认的数据方法。Data Object Method Type 枚举标识该方法所执行的数据操作类型(增删改查及填充 Data Set)。 第2个布尔参数表明同一操作类型的多个方法中的默认方法。(比如有多个 select 方法,默认方法应该为未经过滤的所有记录的集合) 整体而言,对于 ASP.

NET 开发者来说,数据绑定是一项非凡的创新,不过你还是会碰到绑定所不能及的状况,甚至要完全放弃绑定。 问题 一个下拉表显示城市,一个网格显示对应的雇员。你可能希望在下拉列表中添加两个选项(选择城市、选择所有城市),怎么做呢? 数据绑定的一个弱点就是你从来都不能显式的处理或创建用户绑定控件的数据对象。它产生的后果是,你没有机会添加额外的项。 这里的两个难点在于:1.

With the completion of the Create Data Source wizard and binding that to the Grid View, Visual Studio has created the declarative syntax for both controls.

This Details View will be used to provide an interface for quickly adding a new product to the database.

i have an object that has properties (userid,name,surname) i added just field userid and "name" on details view.

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