如何检查Gridview是否为空 [英] How to check Gridview is empty

问题描述

我在gridview之外有一个下拉列表..dropdownlist包含用户，管理员和禁用成员三项内容.当我选择用户时，它显示gridview中的所有用户；当我选择管理员时，它显示所有管理员成员. > 我想检查数据库中没有管理员时的情况.并且我从下拉列表中选择.它显示一些消息..
如何检查我的gridview为空意味着没有与我的查询相关的数据，请从下拉列表中选择.


谢谢..

I have dropdownlist outside of gridview ..dropdownlist contain three things users,admin and disabled member..when i select user it shows all users in gridview and when i select admin..its shows all admin member..
i want to check the condition when there is no admin in database..and i select from dropdownlist..its show some message ..
how can i check my gridview is empty means it has no data related to my query select from dropdown list.


Thank you..

推荐答案

尝试一下

try this

<asp:gridview id="GvBOLList" runat="server" autogeneratecolumns="False" xmlns:asp="#unknown">
                           CellPadding="4" DataKeyNames="No"  PageSize="99">
                           <selectedrowstyle backcolor="Gray" font-names="Tahoma" font-size="10pt" />

                           <columns>

                               <asp:boundfield datafield="Ship" headertext="Ship" />

                           </columns>
                           <emptydatarowstyle backcolor="#F7F6F3" />
                           <emptydatatemplate>
                               <table>
                                   <tr>
                                       <td>
                                           <asp:image id="Image1" imageurl="~/images/warning.jpg" runat="server" imagealign="Middle">
                                               Width="14px" Height="14px" />
                                           No Records Found!!!
                                       </asp:image></td>
                                   </tr>
                               </table>
                           </emptydatatemplate>
                       </asp:gridview>

在空数据模板中，您可以使用任何图像或将文本显示为空.

in empty data template you can use any image or display text as empty.

设置

Set the EmptyDataText[^]-property of the GridView object.

if(gridview.rows.count == 0)
{
label.text =网格视图没有数据";

}


我发现解决方案..它非常简单..thanx

if(gridview.rows.count==0)
{
label.text="grid view have no data";

}


i found the solutions..its very simple..thanx

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