我想浏览一个页面,然后自动加1,可以不防止刷新,但为什么老是自动加2啊?代码如下,高手,请指教
SqlConnection con1=DB.CreateCon();
con1.Open();
SqlCommand cmd1=new SqlCommand();
cmd1.Connection=con1;
cmd1.CommandText="update CataLogContent set Countpeople=Countpeople+1 where NewsID="+ContentID;
cmd1.ExecuteNonQuery();
con1.Close();
SqlConnection con1=DB.CreateCon();
con1.Open();
SqlCommand cmd1=new SqlCommand();
cmd1.Connection=con1;
cmd1.CommandText="update CataLogContent set Countpeople=Countpeople+1 where NewsID="+ContentID;
cmd1.ExecuteNonQuery();
con1.Close();
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace newscms
{
/// <summary>
/// Content 的摘要说明。
/// </summary>
public class Content : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataList DataList1;
protected System.Web.UI.WebControls.TextBox Name;
protected System.Web.UI.WebControls.TextBox Eamil;
protected System.Web.UI.WebControls.TextBox Title;
protected System.Web.UI.WebControls.TextBox PingLun;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;
protected System.Web.UI.WebControls.TextBox shu;
protected System.Web.UI.WebControls.DataList DataList2;
private void Page_Load(object sender, System.EventArgs e)
{
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.DataList2.Load += new System.EventHandler(this.DataList2_Load);
this.DataList1.Load += new System.EventHandler(this.DataList1_Load);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion
private void DataList1_Load(object sender, System.EventArgs e)
{ string ContentID=Request.QueryString["ID"].ToString();
SqlConnection con1=DB.CreateCon();
con1.Open();
SqlCommand cmd1=new SqlCommand();
cmd1.Connection=con1;
cmd1.CommandText="update CataLogContent set Countpeople=Countpeople+1 where NewsID="+ContentID;
cmd1.ExecuteNonQuery();
con1.Close(); } private void DataList1_SelectedIndexChanged(object sender, System.EventArgs e)
{
} private void DataList2_Load(object sender, System.EventArgs e)
{
string ContentID=Request.QueryString["ID"].ToString();
SqlConnection con=DB.CreateCon();
con.Open();
SqlCommand cmd=new SqlCommand("select top 10 * from PingLunNews where CountyID="+ContentID,con);
SqlDataReader sdr=cmd.ExecuteReader();
this.DataList2.DataSource=sdr;
this.DataList2.DataBind();
} private void Button1_Click(object sender, System.EventArgs e)
{
DateTime now=DateTime.Now;
string PingLunID=Request.QueryString["ID"].ToString(); Session["PinLID"]=PingLunID;
shu.Text=Session["PinLID"].ToString();
string PingLun_Name=Name.Text.ToString();
string PingLun_Eamil=Eamil.Text.ToString();
string PingLun_Title=Title.Text.ToString();
string PingLun_PingLun=PingLun.Text.ToString();
SqlConnection con=DB.CreateCon();
con.Open(); string select="insert into PingLunNews(PingLunName,[E-mail],CountyID,PingLunTitle,ReleasePingLun,PingLunData)values"+"('"+PingLun_Name+"','"+PingLun_Eamil+"','"+shu.Text+"','"+PingLun_Title+"','"+PingLun_PingLun+"','"+now+"')";
SqlCommand cmd=new SqlCommand(select,con);
cmd.ExecuteNonQuery();
con.Close();
Response.Write("<script>alert('您已经成功提交,我们会及时与您联系');location.herf='Content.aspx'</script>");
}
}
}
高手指教
Content.aspx就是本页面吧,你自己写的刷新代码,怪谁?
先Response.Redirect到一个成功页面,在那个页面再转回来(停留1秒)
<meta http-equiv="Refresh" content="1; url=Content.aspx">
{ string ContentID=Request.QueryString["ID"].ToString();
SqlConnection con1=DB.CreateCon();
con1.Open();
SqlCommand cmd1=new SqlCommand();
cmd1.Connection=con1;
cmd1.CommandText="update CataLogContent set Countpeople=Countpeople+1 where NewsID="+ContentID;
cmd1.ExecuteNonQuery();
con1.Close();
if(!IsPostBack)加1
应该在点击事件里吧