62,046
社区成员
发帖
与我相关
我的任务
分享
<form id="form1" runat="server">
<div style="height: 290px" id="aa" runat="server">
<table class="style1">
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
<asp:DropDownList ID="DropDownList1" runat="server">
</asp:DropDownList>
</td>
<td>
</td>
</tr>
<tr>
<td>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
</table>
</div>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
</form>
protected void Button1_Click(object sender, EventArgs e)
{
for (int i = 0; i < aa.Controls.Count; i++)
{
if(aa.Controls[i].ID == "DropDownList1")
{
DropDownList drop = (DropDownList)aa.Controls[i];
drop.Items.Add("123");
}
}
}