How to access controls in a list view row
I have listview and every row has a Drop Down List and a hyperlink control.
What i'm trying to do is change the navigate url for the hyperlink based on the selection of the drop down list. How would I get the row that the control posted back from so I can find the 开发者_JS百科hyperlink control?
You may try the following:
<%@ Page Language="C#" %>
<script type="text/C#" runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
MyList.DataSource = Enumerable.Range(1, 5);
MyList.DataBind();
}
}
protected void DDLChange(object sender, EventArgs e)
{
var ddl = (DropDownList)sender;
var link = (HyperLink)ddl.Parent.FindControl("MyLink");
link.NavigateUrl = ddl.SelectedValue;
link.Text = ddl.SelectedValue;
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="Form1" runat="server">
<asp:ListView ID="MyList" runat="server">
<ItemTemplate>
<div>
<asp:DropDownList runat="server" AutoPostBack="true" OnSelectedIndexChanged="DDLChange">
<asp:ListItem Value="http://www.google.com" Text="http://www.google.com" />
<asp:ListItem Value="http://www.bing.com" Text="http://www.bing.com" />
<asp:ListItem Value="http://www.yahoo.com" Text="http://www.yahoo.com" />
</asp:DropDownList>
<asp:HyperLink runat="server" ID="MyLink" NavigateUrl="http://www.google.com" Text="http://www.google.com" />
</div>
</ItemTemplate>
</asp:ListView>
</form>
</body>
</html>
加载中,请稍侯......
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