C# GridView 删除不起作用
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GridView delete not working
提问by Guy
I'm using a GridViewin C#.NET 3.5 and have just converted the underlying DataSourcefrom Adaptermodel to an object which gets its data from LINQ to SQL - i.e. a Business object that returnsa List<>for the GetData()function etc.
我使用的是GridView在C＃.NET 3.5和刚转换的基本DataSource从Adapter模型到对象从LINQ中获取数据到SQL -即业务对象是returns一个List<>对GetData()等功能
All was well in Denmark and the Update, and conditional Selectstatements work as expected but I can't get the Deletefunction to work. Just trying to pass in the ID or the entire object but it's being passed in a "new"object with none of the properties set. I'm just wondering if it's the old OldValuesParameterFormatString="original_{0}"monster in the ObjectDataSourcecausing confusion again.
在丹麦一切顺利，Update, 和条件Select语句按预期工作，但我无法使该Delete功能正常工作。只是试图传入 ID 或整个对象，但它被传入一个没有设置任何属性的“新”对象。我只是想知道是否是再次引起混乱的老OldValuesParameterFormatString="original_{0}"怪物ObjectDataSource。
Anybody have any ideas?
有人有任何想法吗？
回答by Guy
I found the solution. I had to set the GridView's DataKeyNames property to the unique key that my data was returning (in this case a classically named ID field). I'm guessing that this property "unset" itself when the Grid refreshed.
我找到了解决方案。我必须将 GridView 的 DataKeyNames 属性设置为我的数据返回的唯一键（在本例中为经典命名的 ID 字段）。我猜这个属性在 Grid 刷新时会“取消设置”。
