实现思路和上文的Excel和Word导出是一样的,就是在GridView中添加行,首先声明以下控件,用于显示页次:第几页,共多少页,多少记录,首页,上一页,下一页,尾页
用于分页的控件
Label lblCurrentPage;
Label lblPageCount;
Label lblRowsCount;
LinkButton btnFirst;
LinkButton btnPrev;
LinkButton btnNext;
LinkButton btnLast;在GridView的OnInit方法中,初始化这些控件
在控件的Oninit方法初始化分页控件
protected override void OnInit(EventArgs e)
{
this.EnableViewState = true;
lblCurrentPage = new Label();
lblCurrentPage.ForeColor = ColorTranslator.FromHtml(#e78a29);
lblCurrentPage.Text = 1;
lblPageCount = new Label();
lblPageCount.Text = 1;
lblRowsCount = new Label();
lblRowsCount.ForeColor = ColorTranslator.FromHtml(#e78a29);
btnFirst = new LinkButton();
btnFirst.Text = 首页;
btnFirst.Command += new CommandEventHandler(NavigateToPage);
btnFirst.CommandName = Pager;
btnFirst.CommandArgument = First;
btnPrev = new LinkButton();
btnPrev.Text = 上一页;
btnPrev.Command += new CommandEventHandler(NavigateToPage);
btnPrev.CommandName = Pager;
btnPrev.CommandArgument = Prev;
btnNext = new LinkButton();
btnNext.Text = 下一页;
btnNext.Command += new CommandEventHandler(NavigateToPage);
btnNext.CommandName = Pager;
btnNext.CommandArgument = Next;
btnLast = new LinkButton();
btnLast.Text = 尾页;
btnLast.Command += new CommandEventHandler(NavigateToPage);
btnLast.CommandName = Pager;
btnLast.CommandArgument = Last;
base.OnInit(e);
}
然后是关键部分的代码,就是将这些控件如何添加到GridView中,通过在创建子控件的方式,如下:
在创建子控件的方法中添加分页控件
protected override int CreateChildControls(System.Collections.IEnumerable dataSource, bool dataBinding)
{
int res = base.CreateChildControls(dataSource, dataBinding);
if (ShowToolBar)
{
try
{
GridViewRow row = new GridViewRow(0, 0, DataControlRowType.Pager, DataControlRowState.Normal);
TableCell c = new TableCell();
c.Width = Unit.Percentage(100);
c.ColumnSpan = this.Columns.Count;
row.Cells.Add(c);
TableCell cell1 = new TableCell();
Table table = new Table();
TableRow r = new TableRow();
table.Rows.Add(r);
table.Width = Unit.Percentage(100);
c.Controls.Add(table);
r.Cells.Add(cell1);
Literal l1 = new Literal();
l1.Text = 页次:;
cell1.Controls.Add(l1);
cell1.Wrap = false;
cell1.Controls.Add(lblCurrentPage);
l1 = new Literal();
l1.Text = 页/;
cell1.Controls.Add(l1);
cell1.Controls.Add(lblPageCount);
l1 = new Literal();
l1.Text = 页,共;
cell1.Controls.Add(l1);
cell1.Controls.Add(lblRowsCount);
l1 = new Literal();
l1.Text = 条记录;
cell1.HorizontalAlign = HorizontalAlign.Left;
cell1.Controls.Add(l1);
TableCell cell2 = new TableCell();
cell2.HorizontalAlign = HorizontalAlign.Right;
cell2.Wrap = false;
l1 = new Literal();
l1.Text = [;
cell2.Controls.Add(l1);
cell2.Controls.Add(btnFirst);
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