gridView小问题

Question

gridView 后台绑方法如何做到没有数据不消失

Answer 1

EmptyDataText="暂没有数据" 
EmptyDataRowStyle-HorizontalAlign="center" <EmptyDataTemplate> 
<td nowrap align="center">标题 </td> 
</EmptyDataTemplate>

Answer 2

如果是空
 dt.Columns.Add("Cell_id");
                dt.Columns.Add("MIS_topID");
                dt.Columns.Add("MIS_FilesID");
dt.Rows.Add(new string[] { "1", "", ""}）绑定gridView

Answer 3

 <asp:GridView ID="GridView1" runat="server" ShowHeader="true">
        <EmptyDataTemplate>
            <table >
                <tr>
                    <td>
                        11111
                    </td>
                    <td>
                        22222
                    </td>
                </tr>
            </table>
        </EmptyDataTemplate>
        <Columns>
            <asp:BoundField HeaderText="11111" />
            <asp:BoundField HeaderText="22222" />
        </Columns>
    </asp:GridView>
EmptyDataTemplate 画一下头

Answer 4

你可以在 EmptyDataTemplate 中设置一个醒目的 Label，或者一副图片。

Answer 5

<asp:GridView ID="gvThirdDepositList" runat="server" Width="100%" AutoGenerateColumns="False"
                                                            BorderWidth="1px" BorderColor="#CECECE" onmouseover="changeto()" onmouseout="changeback()"
                                                            EmptyDataText="暂无记录！">
                                                            <Columns>
                                                                <asp:TemplateField HeaderText="证券营业部编号" ItemStyle-BorderStyle="Solid">
                                                                    <ItemTemplate>
                                                                            <%#Eval("SecuritiesTraderDepartmentName")%>
                                                                    </ItemTemplate>
                                                                    <HeaderStyle Width="6%" BackColor="#EFFFF0" Font-Size="12px" BorderStyle="Solid" />
                                                                    <ItemStyle HorizontalAlign="Center" />
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="资金账号" ItemStyle-BorderStyle="Solid">
                                                                    <ItemTemplate>
                                                                        <%#Eval("SecuritiesFundAccount")%>
                                                                    </ItemTemplate>
                                                                    <HeaderStyle Width="6%" BackColor="#EFFFF0" Font-Size="12px" BorderStyle="Solid" />
                                                                    <ItemStyle HorizontalAlign="Center" />
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="市值计算货币" ItemStyle-BorderStyle="Solid">
                                                                    <ItemTemplate>
                                                                        <%#Eval("MarketValueCurrency")%>
                                                                    </ItemTemplate>
                                                                    <HeaderStyle Width="6%" BackColor="#EFFFF0" Font-Size="12px" BorderStyle="Solid" />
                                                                    <ItemStyle HorizontalAlign="Center" />
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="银行账号" ItemStyle-BorderStyle="Solid">
                                                                    <ItemTemplate>
                                                                        <%#Eval("BankAccount")%>
                                                                    </ItemTemplate>
                                                                    <HeaderStyle Width="6%" BackColor="#EFFFF0" Font-Size="12px" BorderStyle="Solid" />
                                                                    <ItemStyle HorizontalAlign="Center" />
                                                                </asp:TemplateField>
                                                             
                                                                <asp:TemplateField HeaderText="添加时间" ItemStyle-BorderStyle="Solid">
                                                                    <ItemTemplate>
                                                                        <%#Eval("AddDate") %>
                                                                    </ItemTemplate>
                                                                    <HeaderStyle Width="6%" BackColor="#EFFFF0" Font-Size="12px" BorderStyle="Solid" />
                                                                    <ItemStyle HorizontalAlign="Center" />
                                                                </asp:TemplateField>
                                                                <asp:TemplateField HeaderText="编 辑" ItemStyle-BorderStyle="Solid">
                                                                    <ItemTemplate>
                                                                        <div align="center" style="width: 100%">
                                                                           <a href="ThirdDepositManage.aspx?DepartmentID=<%#Eval("SecuritiesTraderDepartmentID")%>&FundAccount=<%#Eval("SecuritiesFundAccount") %>&Currency=<%#Eval("Currency")%>">编辑</a>
                                                                            <asp:LinkButton ID="DeleteCategory" runat="server" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "SecuritiesTraderDepartmentID")%>'
                                                                                CommandName="del" OnClientClick='return confirm("是否确定删除？")'>删除</asp:LinkButton>
                                                                        </div>
                                                                    </ItemTemplate>
                                                                    <HeaderStyle Width="6%" BackColor="#EFFFF0" Font-Size="12px" BorderStyle="Solid" />
                                                                </asp:TemplateField>
                                                            </Columns>
                                                            <HeaderStyle CssClass="ListHead" />
                                                            <RowStyle CssClass="ListRow" />
                                                            <PagerSettings Visible="False" />
                                                        </asp:GridView>

Answer 6

我以前做过这个问题的，是因为没有数据的时候是不会绘制gridview的，所以如果没有数据的话可以自己绘制一个gridview，代码找不到了，好像是在gridview的一个什么事件里写的。不过我觉得你可以创建一个datatable，里面放一些空值，具体行数视你的样式而定，把这个datatable绑定给你的gridview。