我一直在使用Stack Overflow寻求帮助,但我从未在这个网站上发布自己的问题。我在使用ASP.NET Web应用程序方面也有点新意。我有一个GridView显示来自数据源的记录,并允许分页查看网格的不同页面。网格加载正常并正确显示数据。我遇到的问题是,当单击页码时,什么都没有发生,并且我的断点不会为Page_Load或OnPageIndexChanging触发。在MSDN上,它表示OnPageIndexChanging事件将在网格中选择页码时触发,但这不会发生。我已经尝试了所有在网上找到的有关此问题的常规建议修复,但问题仍然存在。我已经在下面发布了我的代码。任何人都可以告诉我什么可能导致此事件不被触发?提前致谢!没有触发GridView的OnPageIndexChanging事件ASP.NET
<asp:GridView ID="_grid" runat="server" AutoGenerateColumns="False" CellPadding="4" AutoPostBack="true"
ForeColor="#333333" GridLines="None" AllowSorting="True" EnableTheming="False" DataSourceID="vw_SpecFoodBuyerCodeDataSource" Width="100%" AllowPaging="true" OnPageIndexChanging="_grid_PageIndexChanging" OnSelectedIndexChanged="_grid_OnSelectedIndexChanged">
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:TemplateField>
<EditItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" />
</EditItemTemplate>
<HeaderTemplate>
<asp:CheckBox ID="_headerCheckBox" runat="server" AutoPostBack="True" OnCheckedChanged="_headerCheckBox_CheckedChanged" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="_rowCheckBox" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:HyperLinkField DataNavigateUrlFields="SpecId" DataNavigateUrlFormatString="~/SpecPdf.aspx?SpecId={0}"
DataTextField="SpecNumber" HeaderText="Spec#" SortExpression="SpecNumber" />
<asp:BoundField DataField="Revision" HeaderText="Rev" SortExpression="Revision" />
<asp:BoundField DataField="SCNumber" HeaderText="SC#" SortExpression="SCNumber" />
<asp:BoundField DataField="SCDescription" HeaderText="SC Description" SortExpression="SCDescription">
<ItemStyle HorizontalAlign="Left" Wrap="False" />
</asp:BoundField>
<asp:BoundField DataField="VendorName" HeaderText="Supplier" SortExpression="VendorName" >
<ItemStyle HorizontalAlign="Left" />
</asp:BoundField>
<asp:BoundField DataField="BuyerCode" HeaderText="Buyer" SortExpression="BuyerCode" />
<asp:BoundField DataField="ApprovedDate" HeaderText="Approved" DataFormatString="{0:d}" HtmlEncode="False" SortExpression="ApprovedDate" />
<asp:BoundField DataField="UpdateNeededDate" DataFormatString="{0:d}" HeaderText="Update Required<br>As Of" HtmlEncode="False" SortExpression="UpdateNeededDate" />
<asp:BoundField DataField="ApproveUpdateNeededDate" DataFormatString="{0:d}" HeaderText="Update Sent"
SortExpression="ApproveUpdateNeededDate" />
<asp:BoundField DataField="ReceivedUpdateNeededDate" DataFormatString="{0:d}" HeaderText="Update<br>Received" HtmlEncode="False" SortExpression="ReceivedUpdateNeededDate" />
</Columns>
<RowStyle BackColor="#EFF3FB" />
<EditRowStyle BackColor="#2461BF" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
<asp:LinqDataSource ID="vw_SpecFoodBuyerCodeDataSource" runat="server" ContextTypeName="PPQAD_QASpecFoodDataLinq.PPQAD_QASpecFoodDataContextManaged" EntityTypeName=""
OnSelecting="vw_SpecFoodBuyerCodeDataSource_Selecting" TableName="vw_SpecFoodBuyerCodes">
</asp:LinqDataSource>
和C#代码
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
_buyerCodeListBox.DataSource = WebHelpers.GetCachedBuyerCodes(Page);
_buyerCodeListBox.DataBind();
_grid.PageIndexChanging += new GridViewPageEventHandler(_grid_PageIndexChanging);
_grid.EnableViewState = true;
SelectBuyerCodesForCurrentUser();
_grid.DataBind();
}
}
protected void _grid_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
_grid.PageIndex = e.NewPageIndex;
_grid.DataBind();
}
之后复制粘贴你的数据源可能是一个愚蠢的问题......但是你确定你正在调试,而不是试图打破你的断点运行?此外,我不认为AutoPostBack是网格视图的有效属性。 – Kritner
这不是一个愚蠢的问题......是的,我正在调试,我发现在另一个堆栈溢出帖子中,AutoPostBack需要设置为true才能使分页正常工作。我已经尝试过,没有AutoPostBack = true,它没有改变。 –