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      1. 如何在多种模式下滚动asp列表框中的选定项目?

        时间:2023-10-07

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                  本文介绍了如何在多种模式下滚动asp列表框中的选定项目?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我有一个选择模式为多个的列表框

                  I have a listbox with selection mode is multiple

                  <asp:ListBox id="Listbox1" runat="server" Width="230px" Height="168px" 
                  SelectionMode="Multiple"></asp:ListBox>
                  

                  我正在使用数据源进行数据绑定

                  I am databinding using a datasource

                  Me.Listbox1.Items.Clear()
                  Me.Listbox1.DataSource = ayl_arraylist_memberslist
                  Me.Listbox1.DataTextField = "Key"
                  Me.Listbox1.DataValueField = "Value"
                  Me.Listbox1.DataBind()
                  

                  我将一个列表框 listbox1 项目发送到用户列表框,但按添加后我无法滚动到所选项目.

                  I am sending one listbox listbox1 item into userlistbox but after pressing add I can't get scrolled to selected item.

                  推荐答案

                  最好带html列表框

                  <select id="ListBox1" runat="server" size="10" style="width:230px; height:168px"></select>
                  
                  
                  <%--<asp:ListBox id="ListBox1" runat="server" Width="230px" Height="174px" SelectionMode="Multiple" ></asp:ListBox>--%>
                  

                  在document.ready中使用jquery listbox change功能,我们可以在multiple模式下修改为

                  and using jquery listbox change function in document.ready we can modify at the multiple mode as

                  $("#ListBox1").attr("multiple", false);
                   $("#ListBox1").change(function () { $("#ListBox1").attr("multiple", true); });
                  

                  并在 .cs 代码后面编写以获取选定索引

                  and write behind .cs code to get slected index

                  这篇关于如何在多种模式下滚动asp列表框中的选定项目?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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