大哥们帮帮忙啊！！！！

[wgaxl]

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Entity;
using BLL;
public partial class Manage_UpdateSwamiInfo : System.Web.UI.Page
{
SwamiEntity swamientity = new SwamiEntity();
SwamiInfoBLL swamiinfobll = new SwamiInfoBLL();
public static int CurrPage =1;
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
this.SwamiInfoBind();
}

}
public void SwamiInfoBind()
{
PagedDataSource page = new PagedDataSource();
page.DataSource =swamiinfobll.SwamiInfo().DefaultView;
page.AllowPaging = true;
page.PageSize = 6;
page.CurrentPageIndex = CurrPage - 1;
if (page.IsFirstPage)
{
this.Button1.Enabled = false;
}
else
{
this.Button1.Enabled = true;
}
if (page.IsLastPage)
{
this.Button2.Enabled = false;
}
else
{
this.Button2.Enabled = true;
}
this.DataGrid1.DataSource = page;
this.DataGrid1.DataKeyField = "Sid";
this.DataBind();
}
protected string PartSubString(string s)
{
if (s.Length > 15)
{
return s.Substring(0, 15) + "...";
}
return s;
}
protected void Button1_Click(object sender, EventArgs e)
{
CurrPage--;
this.SwamiInfoBind();
}
protected void Button2_Click(object sender, EventArgs e)
{
CurrPage++;
this.SwamiInfoBind();
}
}


我用PagedDataSource实现分页功能，但是当到了最后一页或第一页，再刷新时，就报索引为负数了，就发生异常了，为什么刷新时PagedDataSource还在继续走啊！！如何能解决啊！！！

[shoumangli]

我不是大哥帮不了你，嘿嘿