pageindexchangeing的第二页为空白

Question

检查一下，下面的代码正确吗？SubmitAppraisalGrid.DataBind()？这是因为当我试图查看它们时，我的第二页是空的。或者可能是因为我正在将网格视图绑定到网格视图中？请告诉我是否需要更新绑定"内部"网格的代码。

我的代码：

protected void SubmitAppraisalGrid_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
    SubmitAppraisalGrid.PageIndex = e.NewPageIndex;
    SubmitAppraisalGrid.DataBind();
}

设计：

<asp:GridView ID="SubmitAppraisalGrid" runat="server" AutoGenerateColumns="False" BorderWidth="0px" onrowcreated="SubmitAppraisalGrid_RowCreated" ShowHeader="False" style="margin-right: 0px" AllowPaging="True" PageSize="1" OnPageIndexChanging="SubmitAppraisalGrid_PageIndexChanging">
<Columns>
 <asp:TemplateField>
  <ItemTemplate>
    <asp:Label ID="QuestionLbl" runat="server" Text='<%# Bind("Question")%>'></asp:Label>
    <br />
    <br />
<asp:GridView ID="StaffAppraisalGrid" runat="server"AutoGenerateColumns="False" BorderWidth="0px" CellPadding="4" CellSpacing="2">
    <Columns>
    <asp:BoundField DataField="StaffName" HeaderText="Name">
    <HeaderStyle HorizontalAlign="Left" />
    </asp:BoundField>
    <asp:TemplateField HeaderText="Rate">
    <ItemTemplate>
    <asp:RadioButtonList ID="RadioList" runat="server" CellPadding="8" 
    DataSource='<%# Bind("RadioButtonList")%>' RepeatDirection="Horizontal">
    </asp:RadioButtonList>
    </ItemTemplate>
    <HeaderStyle HorizontalAlign="Left" />
    </asp:TemplateField>
    <asp:TemplateField HeaderText="Remarks">
    <ItemTemplate>
    <asp:TextBox ID="RemarksTbx" runat="server" CssClass="remarkTbx" 
        MaxLength="500" Text='<%# Bind("RemarkTbx")%>' TextMode="MultiLine"></asp:TextBox>
    </ItemTemplate>
    <HeaderStyle HorizontalAlign="Left" />
    </asp:TemplateField>
    </Columns>
</asp:GridView>
<br />
  </ItemTemplate>
 </asp:TemplateField>
</Columns>
</asp:GridView>

Answer 1

检查您的标记，您没有使用任何类型化的数据源。如果您正在处理datagrid的databind事件，则将其放入代码中，否则也会在PageIndexChanging事件上添加数据源。。

protected void SubmitAppraisalGrid_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            SubmitAppraisalGrid.PageIndex = e.NewPageIndex;
            SubmitAppraisalGrid.DataSource = (SomeDataSource that you are using);
            SubmitAppraisalGrid.DataBind();
        }

请参阅GridView.PageIndexChanging事件。

Answer 2

我是这样解决的：

内部网格视图索引Canging

{
    GridView1.PageIndex = e.NewPageIndex;
    SqlCommand cmd = new SqlCommand("Select * from Emp_Data ORDER BY [ID] DESC", con);
    SqlDataAdapter DA1 = new SqlDataAdapter(cmd);
    DA1.Fill(DT1);
    GridView1.DataSource = DT1;
    GridView1.DataBind();
}

使用在Databind 中使用的相同查询