如何在asp下拉列表中使用标头 [英] How to use header in asp dropdownlist
本文介绍了如何在asp下拉列表中使用标头的处理方法,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小编来一起学习吧!
问题描述
asp下拉列表控件应如下所示:
A类
班加罗尔
加尔各答
孟买
B类
德里
海德拉巴
钦奈
这里,不应选择A / B类,只选择我需要选择的值
我想快速帮助PLZ。下拉列表应该是后端动态的(vb.Net)
它可以使用html标签完成,但我希望这可以使用Asp下拉列表控件来完成。
解决方案
本文应该对您有帮助 - 禁用或使ListItem不可选择ASP.Net DropDownList使用jQuery [ ^ ]。它提供了您需要的确切解决方案。
类似的问题也被问到这里 [之前 ^ ]。
< blockquote>
< asp:GridView ID = gvCustomers runat = < span class =code-keyword> server 宽度 = 550px
AutoGenerateColumns = false
字体名称 = Arial < span class =code-attribute> 字体大小 = 11pt AlternatingRowStyle-BackColor = #C2D69B
HeaderStyle-BackColor = green
AllowPaging = true ShowFooter = true OnPageIndexChanging = OnPaging PageSize = 10 >
< 列 >
< asp:BoundField HeaderText = CustomerID DataField = CustomerId FooterText = 页脚 / >
< asp:BoundField HeaderText = 联系人姓名 DataField = ContactName FooterText = 页脚 / >
< asp:BoundField HeaderText = 公司名称 DataField = CompanyName FooterText = 页脚 < span class =code-attribute> / >
< / Columns >
< AlternatingRowStyle BackColor = # C2D69B / >
< / asp:GridView > ; 跨度>
the asp dropdownlist control should look like :
Category A
Bangalore
Kolkata
Mumbai
Category B
Delhi
Hyderabad
Chennai
here , the "Category A/B" should not be selected, only the values i need to select
I want quick help plz. The dropdownlist should be dynamic from backend (vb.Net)
it can be done using html tags, but i want this to be done using Asp dropdownlist control.
解决方案
This article should help you - Disable or Make a ListItem Non selectable ASP.Net DropDownList Using jQuery[^]. It provides the exact solution you need.
A similar question was also asked here[^] before.
<asp:GridView ID="gvCustomers" runat="server" Width="550px" AutoGenerateColumns="false" Font-Names="Arial" Font-Size="11pt" AlternatingRowStyle-BackColor="#C2D69B" HeaderStyle-BackColor="green" AllowPaging="true" ShowFooter="true" OnPageIndexChanging="OnPaging" PageSize="10"> <Columns> <asp:BoundField HeaderText="CustomerID" DataField="CustomerId" FooterText="Footer" /> <asp:BoundField HeaderText="Contact Name" DataField="ContactName" FooterText="Footer" /> <asp:BoundField HeaderText="Company Name" DataField="CompanyName" FooterText="Footer" /> </Columns> <AlternatingRowStyle BackColor="#C2D69B" /> </asp:GridView>
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