DataGrid自定义分页

 DataGrid自定义分页总结

html中<asp:linkbutton id="btnFirst" οnclick="PageButtonClick" runat="server" Font-Name="verdana" CommandArgument="0">最前页

</asp:linkbutton> <asp:linkbutton id="btnPrev" οnclick="PageButtonClick" runat="server" CommandArgument="prev">上一页

</asp:linkbutton> <asp:linkbutton id="btnNext" οnclick="PageButtonClick" runat="server" CommandArgument="next">下一页

</asp:linkbutton> <asp:linkbutton id="btnLast" οnclick="PageButtonClick" runat="server" CommandArgument="last">最后页

</asp:linkbutton>        总共有      <asp:label id="lblcount" runat="server" ForeColor="Red"></asp:label> 条

记录<asp:label id="lblCurrentIndex" runat="server"></asp:label>       <asp:label id="lblPageCount" runat="server"></asp:label></TD>

CS后台文件中

  protected void GridBind()  {      .........

   DataGrid1.DataBind();   lblcount.Text=ds.Tables[0].Rows.Count.ToString();   conn.Close();   ShowStats();   setPage();  }  public void setPage()  {   if(DataGrid1.PageCount<= 1 )//小于等于一页   {    btnFirst.Enabled = false;    btnPrev.Enabled = false;    btnNext.Enabled = false;    btnLast.Enabled = false;   }   else //有多页   {    if(DataGrid1.CurrentPageIndex== 0 )//当前为第一页    {     btnFirst.Enabled = false;     btnPrev.Enabled = false;     btnNext.Enabled = true;     btnLast.Enabled = true;    }    else if(DataGrid1.CurrentPageIndex==DataGrid1.PageCount-1)//当前为最后页     {     btnFirst.Enabled = true;     btnPrev.Enabled = true;     btnNext.Enabled = false;     btnLast.Enabled = false;                                       }    else //中间页    {     btnFirst.Enabled = true;     btnPrev.Enabled = true;     btnNext.Enabled = true;     btnLast.Enabled = true;    }   }  }

  public void PageButtonClick(object sender,EventArgs e)  {   string arg=((LinkButton)sender).CommandArgument.ToString();   switch(arg)   {    case "next":     if(DataGrid1.CurrentPageIndex<(DataGrid1.PageCount-1))     {      DataGrid1.CurrentPageIndex+=1;     }     break;

    case "prev":     if(DataGrid1.CurrentPageIndex>0)     {      DataGrid1.CurrentPageIndex-=1;     }     break;    case "last":     DataGrid1.CurrentPageIndex=(DataGrid1.PageCount-1);     break;    default:     DataGrid1.CurrentPageIndex=System.Convert.ToInt32(arg);     break;

   }   GridBind();   ShowStats();

  }  private void ShowStats()  {   //显示当前页面是第几页   lblCurrentIndex.Text = "第 " + (DataGrid1.CurrentPageIndex + 1).ToString() + " 页";   //显示总页数   lblPageCount.Text = "总共 " + DataGrid1.PageCount.ToString() + " 页";  

  }