我怎么能在DB

Question

删除的GridView行没有查询有我的GridView

<asp:GridView ID="Grid" runat="server" AutoGenerateColumns="false" AutoGenerateEditButton="true" 
    ForeColor="#333333" Width="600px" OnRowEditing="Grid_RowEditing" OnRowDeleting="Grid_RowDeleting" 
    OnRowUpdating="Grid_RowUpdating" OnRowDeleted="Grid_RowDeleted" OnRowCancelingEdit="Grid_RowCancelingEdit" 
    ShowFooter="True" DataKeyNames="id"> 
    <Columns> 
     <asp:CommandField ShowDeleteButton="true" /> 
     <asp:CommandField ShowInsertButton="true" ShowHeader="true" /> 
     <asp:BoundField ReadOnly="true" DataField="ProductID" HeaderText="ProductID" NullDisplayText="sad" /> 
     <asp:BoundField ReadOnly="true" DataField="ProductName" HeaderText="ProductName" /> 
     <asp:BoundField DataField="Quantity" HeaderText="Quantity" /> 
     <asp:BoundField DataField="UnitPrice" HeaderText="TotalPrice" /> 
    </Columns> 
</asp:GridView> 

我想删除行这种方法

protected void Grid_RowDeleting(object sender, GridViewDeleteEventArgs e) 
{ 
    int index = Convert.ToInt32(e.RowIndex); 
    Grid.DeleteRow(index); 
} 

但几秒钟后，我得到

此网页不可用

我该怎么做？

有我的数据源。我想删除行，而不删除记录在数据库

var query = 
    from order in mydb.Order_Details 
    join orderdetail in mydb.Order_Details on order.OrderID equals orderdetail.OrderID 
    join product in mydb.Products on order.ProductID equals product.ProductID 
    where order.OrderID==editOrderID 
    select new 
    { 
     ProductID = order.Product.ProductID, 
     ProductName = order.Product.ProductName, 
     Quantity = order.Quantity, 
     UnitPrice = order.UnitPrice 
    } 
    into f 
    group f by f.ProductID; 

var outputData = query.Select(g => new 
    { 
     id= g.Key, 
     ProductID = g.FirstOrDefault().ProductID, 
     ProductName = g.FirstOrDefault().ProductName, 
     Quantity = g.FirstOrDefault().Quantity, 
     UnitPrice = g.FirstOrDefault().UnitPrice 
    }); 

Grid.DataSource = outputData; 
Grid.DataBind(); 

Answer 1

而不是从UI删除可以使该行invisible在RowDeleting事件 -

GridView1.rows[i].visible=false;