LinqDataSource.Inserted 事件
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
完成插入操作后发生。
public:
event EventHandler<System::Web::UI::WebControls::LinqDataSourceStatusEventArgs ^> ^ Inserted;
public event EventHandler<System.Web.UI.WebControls.LinqDataSourceStatusEventArgs> Inserted;
member this.Inserted : EventHandler<System.Web.UI.WebControls.LinqDataSourceStatusEventArgs>
Public Custom Event Inserted As EventHandler(Of LinqDataSourceStatusEventArgs)
事件类型
示例
以下示例演示如何为事件创建事件处理程序, Inserted 该事件处理程序检查异常并检索新记录的标识属性。
protected void LinqDataSource_Inserted(object sender, LinqDataSourceStatusEventArgs e)
{
if (e.Exception == null)
{
Product newProduct = (Product)e.Result;
Literal1.Text = "The new product id is " + newProduct.ProductID;
Literal1.Visible = true;
}
else
{
LogError(e.Exception.Message);
Literal1.Text = "We are sorry. There was a problem saving the record. The administrator has been notified.";
Literal1.Visible = true;
e.ExceptionHandled = true;
}
}
Protected Sub LinqDataSource_Inserted(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.LinqDataSourceStatusEventArgs)
If (IsNothing(e.Exception)) Then
Dim newProduct As Product
newProduct = CType(e.Result, Product)
Literal1.Text = "The new product id is " & newProduct.ProductID
Literal1.Visible = True
Else
LogError(e.Exception.Message)
Literal1.Text = "We are sorry. There was a problem saving the record. The administrator has been notified."
Literal1.Visible = True
e.ExceptionHandled = True
End If
End Sub
注解
Inserted处理 事件以捕获插入操作中的任何异常,或者在插入操作完成后检查值。 可以通过传递给事件处理程序的 LinqDataSourceStatusEventArgs 对象检索新值。 例如,可以使用 LinqDataSourceStatusEventArgs 对象检索数据库为新数据记录生成的标识属性。