<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
<br />
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<%--利用插入和显示数据量特别大的一张表来模拟网络卡的情况--%>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataKeyNames="Id" DataSourceID="ObjectDataSource1" PageSize="100"
AllowPaging="True">
<Columns>
<asp:BoundField DataField="Id" HeaderText="Id" ReadOnly="True"
SortExpression="Id" />
</Columns>
</asp:GridView>
</div>
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
DeleteMethod="Delete" InsertMethod="Insert"
OldValuesParameterFormatString="original_{0}" SelectMethod="GetData"
TypeName="DataSet1TableAdapters.testbeizhuTableAdapter" UpdateMethod="Update">
<DeleteParameters>
<asp:Parameter Name="Original_Id" Type="String" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="Id" Type="String" />
</InsertParameters>
</asp:ObjectDataSource>
</form>
</body>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default4 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
Session["fangchongfu"] = DateTime.Now.ToString();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
DateTime time1 = DateTime.Now;
DateTime lastTime = Convert.ToDateTime(Session["fangchongfu"].ToString());
TimeSpan ts = time1 - lastTime;
if (10 > ts.TotalSeconds)//小于10秒，则判定为重复提交
{
return;
}
Session["fangchongfu"] = DateTime.Now.ToString();
//利用插入和显示数据量特别大的一张表来模拟网络卡的情况
DataSet1TableAdapters.testbeizhuTableAdapter bzAda = new DataSet1TableAdapters.testbeizhuTableAdapter();
bzAda.InsertQuery();
GridView1.DataSourceID = "ObjectDataSource1";
GridView1.DataBind();
DateTime time2 = DateTime.Now;
Label1.Text = "用时：" + ts.TotalSeconds.ToString() + "，当前时间：" + DateTime.Now.ToString();
}
}