我一遍又一遍地收到这个错误.
将数据加载到GridView中起作用,但是当我想删除一行时,我会收到该错误.
<asp:GridView ID="OrdersGridView" runat="server" AutoGenerateColumns="False" onrowdeleted="OrdersGridView_RowDeleted"> <Columns> <asp:TemplateField HeaderText="Product Name"> <ItemTemplate> <asp:HiddenField runat="server" ID="HiddenField1" Value='<%#Eval("oid")%>'></asp:HiddenField> </ItemTemplate> </asp:TemplateField> <asp:BoundField datafield="titel" HeaderText="Name" /> <asp:BoundField datafield="oid" HeaderText="Itemno" /> <asp:BoundField datafield="prijs" HeaderText="Price" /> <asp:CommandField ButtonType="Link" CausesValidation="false" HeaderText="Update" ShowDeleteButton="True" /> <asp:BoundField datafield="prijs" HeaderText="Subtotal" /> </Columns> </asp:GridView>
C#codebehind – 我不是真的从数据库中删除行,但它是一个测试:
protected void OrdersGridView_RowDeleted(object sender,System.Web.UI.WebControls.GridViewDeletedEventArgs e) { if (e.Exception != null) { lblStatus.Text = e.Exception.ToString(); } else { string sValue = ((HiddenField)OrdersGridView.SelectedRow.Cells[1].FindControl("HiddenField1")).Value; lblStatus.Text = sValue; } }
The GridView ‘OrdersGridView’ fired event RowDeleting which wasn’t handled.
解决方法
删除按钮,甚至是具有CommandName的删除的GridView中的常规按钮,将自动尝试启动OnRowDeleting.你可以添加它来使事情变得快乐,但不要做任何事情,所以它不会影响你的删除行为.
您可以将OnRowDeleting添加到GridView中:
<asp:GridView ID="OrdersGridView" runat="server" AutoGenerateColumns="False" onrowdeleted="OrdersGridView_RowDeleted" OnRowDeleting="OrdersGridView_RowDeleting">
然后在你的CodeBehind中添加:
void OrdersGridView_RowDeleting (object sender,GridViewDeleteEventArgs e) { }
原文地址:https://www.jb51.cc/csharp/94298.html
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