这几天学习了一下自定义分页控件,现将实现方法记录下来,亲测可以实现:
1.首先创建一个.ascx文件,命名为TurnPage,然后在里面写控件前台展示的界面:
2.然后在TurnPage.ascx.cs里面写相应的后台代码,代码如下:
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namespace Web { public delegate void GoToPage( int PageNum); public partial class TurnPage : System.Web.UI.UserControl { private GoToPage _GoToPage = null ; protected void Page_Load( object sender, EventArgs e) { } public void InitControl(GoToPage GP) { _GoToPage = GP; } public int DataCount { get { return Int32.Parse(lbl_TotalCount.Text); } set { lbl_TotalCount.Text = value.ToString(); } } public int CurrPageNum { get { return Int32.Parse(lbl_CurrPage.Text); } set { lbl_CurrPage.Text = value.ToString(); } } public int TotalPageNum { get { return Int32.Parse(lbl_TotalPage.Text); } set { lbl_TotalPage.Text = value.ToString(); } } public int PageSize { get { return Int32.Parse(ddl_PageSize.SelectedValue); } } protected void btn_FristPage_Click( object sender, EventArgs e) { _GoToPage(1); } protected void btn_PrevPage_Click( object sender, EventArgs e) { if ( int .Parse(lbl_CurrPage.Text) > 1) _GoToPage( int .Parse(lbl_CurrPage.Text) - 1); else _GoToPage(1); } protected void btn_NextPage_Click( object sender, EventArgs e) { if ( int .Parse(lbl_CurrPage.Text) < int .Parse(lbl_TotalPage.Text)) _GoToPage( int .Parse(lbl_CurrPage.Text) + 1); else _GoToPage( int .Parse(lbl_TotalPage.Text)); } protected void btn_LastPage_Click( object sender, EventArgs e) { _GoToPage( int .Parse(lbl_TotalPage.Text)); } public void ControlButtonClick() { if (DataCount > 0) { btn_FristPage.Enabled = true ; btn_PrevPage.Enabled = true ; btn_LastPage.Enabled = true ; btn_NextPage.Enabled = true ; } else { btn_FristPage.Enabled = false ; btn_PrevPage.Enabled = false ; btn_LastPage.Enabled = false ; btn_NextPage.Enabled = false ; } if (CurrPageNum == 1) { btn_FristPage.Enabled = false ; btn_PrevPage.Enabled = false ; } if (CurrPageNum == TotalPageNum) { btn_LastPage.Enabled = false ; btn_NextPage.Enabled = false ; } if (CurrPageNum == 0) { btn_FristPage.Enabled = false ; btn_PrevPage.Enabled = false ; btn_LastPage.Enabled = false ; btn_NextPage.Enabled = false ; } } protected void ddl_PageSize_SelectedIndexChanged( object sender, EventArgs e) { _GoToPage(1); } protected void btn_GO_Click( object sender, EventArgs e) { int pageNum; if ( int .TryParse(txt_PageNum.Text, out pageNum)) { if (pageNum > TotalPageNum) _GoToPage(TotalPageNum); else if (pageNum < 1) _GoToPage(1); else _GoToPage(pageNum); } } }} |
3.控件的方法就写好了,现在要做的就是在其它页面引用这个控件了,引用方法如下:
然后在页尾还需配置一下:
4.这就是最后一步了,在你引用这个控件的页面的后台代码里写下以下语句:
大功告成了!
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。