每当添加新行时,已经存在的行将慢慢向下移动,并且新的行将在网格视图控件中添加。
答案 0 :(得分:2)
查看jQuery.ScrollTo插件,它非常适合慢慢滚动屏幕。 在网格下面有一些控件,它可以是现有控件,或者你可以添加像
这样的锚标签添加行后,您将使用ScriptManager.RegisterStartupScript或ClientScript.RegisterStartupScript(使用脚本管理器中的一个使用更新面板)添加脚本$ .scrollTo('#grid_bottom'),它应该慢慢向下滚动
Link to download page for jQuery ScrollTo Plugin
以下是一些示例代码,您可以更改ScrollTo功能中的持续时间或将其关闭,滚动将立即发生而不会平滑滚动:
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
public List<KeyValuePair<string, string>> Items
{
get { return (List<KeyValuePair<string, string>>)ViewState["Items"]; }
set { ViewState["Items"] = value; }
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Items = new List<KeyValuePair<string, string>>();
for (int i = 0; i < 200; i++)
Items.Add(new KeyValuePair<string, string>(i.ToString(), "Test" + i));
GridTest.DataSource = Items;
GridTest.DataBind();
}
}
protected void cmdAddNew_Click(object sender, EventArgs e)
{
Items.Add(new KeyValuePair<string, string>("", DateTime.Now.ToString()));
GridTest.DataSource = Items;
GridTest.DataBind();
ScriptManager.RegisterStartupScript(this, GetType(), "scrollto",
string.Format(
@" $(document).ready(function(){{
$.scrollTo($('#{0}'), 2000);
}});", cmdAddNew.ClientID), true);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager runat="server" ID="ScriptManager1">
<Scripts>
<asp:ScriptReference Path="http://ajax.microsoft.com/ajax/jQuery/jquery-1.4.4.min.js" />
<asp:ScriptReference Path="/JavaScript/jquery.scrollTo-min.js" />
</Scripts>
</asp:ScriptManager>
<asp:UpdatePanel ID="pnlTest">
<ContentTemplate>
<asp:LinkButton ID="cmdAddNew2" runat="server" OnClick="cmdAddNew_Click">Add New</asp:LinkButton>
<asp:GridView ID="GridTest" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="Value" />
</Columns>
</asp:GridView>
<asp:LinkButton ID="cmdAddNew" runat="server" OnClick="cmdAddNew_Click">Add New</asp:LinkButton>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>