asp.net 编程小技巧

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1.c#-----使网页返回键无效

    

 <script type="text/javascript">             history.go(1);   </script> 
2.gridview 添加首页,上一页,下一页,尾页,跳转

 
<PagerTemplate> <table align="right" bgcolor="#e9e9e9" width="100%">    <tr>      <td style="text-align: right">     第<b><asp:Label ID="lblPageIndex" runat="server" Text="<%#((GridView)Container.Parent.Parent).PageIndex + 1 %>"></asp:Label></b>页         共<b><asp:Label ID="lblPageCount" runat="server" Text="<%# ((GridView)Container.Parent.Parent).PageCount %>"></asp:Label></b>页              <asp:LinkButton ID="btnFirst" runat="server" CausesValidation="False" CommandArgument="First"                   CommandName="Page" Enabled="<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>"               Text="首页"></asp:LinkButton>              <asp:LinkButton ID="btnPrev" runat="server" CausesValidation="False" CommandArgument="Prev"                   CommandName="Page" Enabled=" <%# ((GridView)Container.NamingContainer).PageIndex != 0 %>"               Text="上一页"></asp:LinkButton>          <asp:LinkButton ID="btnNext" runat="server" CausesValidation="False" CommandArgument="Next"                            CommandName="Page" Enabled=" <%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>"                            Text="下一页"></asp:LinkButton>               <asp:LinkButton ID="btnLast" runat="server" CausesValidation="False" CommandArgument="Last"                            CommandName="Page" Enabled=" <%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>"                             Text="尾页"></asp:LinkButton>              <asp:TextBox ID ="txtGoPage"  runat ="server" Text ='<%#(( GridView)Container.Parent.Parent).PageIndex+1 %>'                              Width ="32px" CssClass ="inputmini">'</asp:TextBox> 页              <asp:Button ID ="Button3" runat ="server" OnClick ="Turn_Click" Text ="转到" />         </td>    </tr> </table></PagerTemplate>

3.2. MessageBox.Show显示在最前端

   例如:

MessageBox.Show("123", "345", MessageBoxButtons.OK, MessageBoxIcon.None,MessageBoxDefaultButton.Button1, MessageBoxOptions.ServiceNotification); 




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