81 lines
2.1 KiB
C#
81 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Data;
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using System.Text;
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namespace FineUI.Examples.grid
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{
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public partial class grid_pageitems_pagesize : PageBase
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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BindGrid();
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ddlPageSize.SelectedValue = Grid1.PageSize.ToString();
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}
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}
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#region LoadData
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private void BindGrid()
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{
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ViewState["UseDataSource1"] = true;
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DataTable table = DataSourceUtil.GetDataTable();
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Grid1.DataSource = table;
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Grid1.DataBind();
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}
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#endregion
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#region Events
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protected void Button2_Click(object sender, EventArgs e)
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{
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DataTable table;
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if (Convert.ToBoolean(ViewState["UseDataSource1"]))
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{
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ViewState["UseDataSource1"] = false;
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table = DataSourceUtil.GetDataTable2();
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}
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else
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{
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ViewState["UseDataSource1"] = true;
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table = DataSourceUtil.GetDataTable();
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}
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Grid1.DataSource = table;
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Grid1.DataBind();
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}
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protected void Button1_Click(object sender, EventArgs e)
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{
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labResult.Text = HowManyRowsAreSelected(Grid1);
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}
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protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
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{
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//Grid1.PageIndex = e.NewPageIndex;
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}
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protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
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{
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Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
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//// 更改每页显示数目时，防止 PageIndex 越界
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//if (Grid1.PageIndex > Grid1.PageCount - 1)
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//{
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// Grid1.PageIndex = Grid1.PageCount - 1;
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//}
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}
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#endregion
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}
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}
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