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    ASP.NET中自定义DataGrid分页设置的实现

    2018-04-06 10:40:25 次阅读 稿源:互联网
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      这里我实现了DataGrid的个性化分页,现在把代码贴出来朋友们参考,同时在这个功能的实现过程,参考了“飞刀”从国外翻译的一篇文章。

      先定义ASPX页面,注意AllowCustomPaging要设为"False":

      

    <body><form id="DictList" method="post" runat="server"><TABLE style="BORDER-COLLAPSE: collapse" cellSpacing="0" width="100%" border="1"><TR><td bgColor="#c0c000">信息:<FONT face="Arial" color="#ffffff">数据维护</FONT></td></TR><tr><td><FONT face="宋体"></FONT></td></tr><tr><td><asp:datagrid id="MyDataGrid" runat="server" Width="100%" PageSize="20" AllowPaging="True" AutoGenerateColumns="False" DataKeyField="FDictid"><SelectedItemStyle BackColor="#FFC080"></SelectedItemStyle><HeaderStyle BackColor="#C0C000"></HeaderStyle><Columns><asp:ButtonColumn Text="选择" HeaderText="选择" CommandName="Select"><HeaderStyle Font-Bold="True" HorizontalAlign="Center" Width="8%"></HeaderStyle><ItemStyle Font-Bold="True" HorizontalAlign="Center"></ItemStyle></asp:ButtonColumn><asp:BoundColumn DataField="FDictID" SortExpression="FDictID asc" HeaderText="标识号"><HeaderStyle Width="15%"></HeaderStyle></asp:BoundColumn><asp:BoundColumn DataField="FNameCn" SortExpression="FNameCn asc" HeaderText="名称"><HeaderStyle Width="15%"></HeaderStyle></asp:BoundColumn><asp:BoundColumn DataField="FNameEn" SortExpression="FNameEn asc" HeaderText="英文名称"><HeaderStyle Width="15%"></HeaderStyle></asp:BoundColumn><asp:BoundColumn DataField="FNote" SortExpression="FNote asc" HeaderText="描叙"><HeaderStyle Width="47%"></HeaderStyle></asp:BoundColumn></Columns><PagerStyle Visible="False"></PagerStyle></asp:datagrid></td></tr></TABLE><TABLE style="BORDER-COLLAPSE: collapse" cellSpacing="0" width="100%" bgColor="#ff9966" border="1"><TR><td align="right"><asp:linkbutton id="btnFirst" runat="server" CommandArgument="fist">首页</asp:linkbutton>  <asp:linkbutton id="btnPrev" runat="server" Width="36px" CommandArgument="prev">上一页</asp:linkbutton>  <asp:linkbutton id="btnNext" runat="server" CommandArgument="next">下一页</asp:linkbutton>  <asp:linkbutton id="btnLast" runat="server" CommandArgument="last">末页</asp:linkbutton>  <asp:label id="lblCurrentIndex" runat="server"></asp:label>/<asp:label id="lblPageCount" runat="server"></asp:label>  跳转到<asp:TextBox id="txtGoPage" runat="server" Width="30px" CssClass="textbox"></asp:TextBox><asp:Button id="btnGo" runat="server" Text="GO" CssClass="button" Width="29px"></asp:Button></td></TR></TABLE></form>codebehind主要功能部分代码:private void Page_Load(object sender, System.EventArgs e){// 在此处放置用户代码以初始化页面myConnection = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnString"]);if (!IsPostBack)BindGrid();}public void BindGrid(){string strSql ="SELECT * FROM t_dict ";SqlDataAdapter myCommand = new SqlDataAdapter(strSql, myConnection);DataSet ds = new DataSet();myCommand.Fill(ds, "t_dict");MyDataGrid.DataSource=ds.Tables["t_dict"].DefaultView;MyDataGrid.DataBind();ShowStatsPage();}private void PagerButtonClick(object sender, System.EventArgs e){//获得LinkButton的参数值String arg = ((LinkButton)sender).CommandArgument;switch(arg){case ("next"):if (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1))MyDataGrid.CurrentPageIndex ++;break;case ("prev"):if (MyDataGrid.CurrentPageIndex > 0)MyDataGrid.CurrentPageIndex --;break;case ("fist"):MyDataGrid.CurrentPageIndex=0;break;case ("last"):MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1);break;default://本页值MyDataGrid.CurrentPageIndex = Convert.ToInt32(arg);break;}BindGrid();}void ShowStatsPage(){//显示页面信息lblCurrentIndex.Text = "[<font color="blue">当前为第:" + ((int)MyDataGrid.CurrentPageIndex+1) + "页</font>]";lblPageCount.Text = "[<font color="blue">共:" + MyDataGrid.PageCount + "页</font>]";}private void MyDataGrid_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e){//处理按下数字的方法MyDataGrid.CurrentPageIndex = e.NewPageIndex;BindGrid();}private void btnGo_Click(object sender, System.EventArgs e){//页面直接跳转的代码if(txtGoPage.Text.Trim()!=""){int PageI=Int32.Parse(txtGoPage.Text.Trim())-1;if (PageI >=0 && PageI < (MyDataGrid.PageCount))MyDataGrid.CurrentPageIndex = PageI ;}BindGrid();}//----------------------翻页代码结束

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