asp:GridView标签学习---AutoGenerateColumns属性

本文介绍了ASP.NET中GridView控件的基本用法,包括如何设置AutoGenerateColumns属性来自动生成列,以及如何手动定义列来展示具体数据。通过示例展示了不同设置下的显示效果。

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 Test.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Test.aspx.cs" Inherits="WebApplication1.Test" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="true">
            <FooterStyle BackColor="Blue" Font-Bold="true" ForeColor="White" />
            <RowStyle BackColor="Red" />
            <Columns>
                <asp:BoundField DataField="id" HeaderText="学号"/>
                <asp:BoundField DataField="name" HeaderText="姓名"/>
                <asp:BoundField DataField="age" HeaderText="年龄"/>
            </Columns>
        </asp:GridView>
    </div>
    </form>
</body>
</html>

Test.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

namespace WebApplication1
{
    public partial class Test : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            this.BindGridView();
        }

        private void BindGridView()
        {
            DataTable dtBind = this.getDB();
            this.GridView1.DataSource = dtBind;
            this.GridView1.DataBind();
        }

        /// <summary>
        /// 获取数据源的方法
        /// </summary>
        /// <returns>数据源</returns>
        private DataTable getDB()
        {
            DataTable dt = new DataTable();

            dt.Columns.Add("id");
            dt.Columns.Add("name");
            dt.Columns.Add("age");

            dt.Rows.Add(new object[] { "000001", "hekui", "26" });
            dt.Rows.Add(new object[] { "000002", "zhangyu", "26" });
            dt.Rows.Add(new object[] { "000003", "zhukundian", "27" });
            dt.Rows.Add(new object[] { "000004", "liyang", "25" });
            dt.Rows.Add(new object[] { "000005", "caili", "27" });

            return dt;
        }

    }
}

AutoGenerateColumns属性:运行时是否基于关联的数据源自动生成列。怎么理解?

实验:将AutoGenerateColumns设为true时

 

再把AutoGenerateColumns设为false时

 

相信你已经看到区别了。O(∩_∩)O~

 

 

 

<asp:Content ID="Content2" ContentPlaceHolderID="GridviewContent" runat="server"> <asp:GridView ID="GridView1" AutoGenerateColumns="false" runat="server"> <Columns> <asp:BoundField DataField="ItemCode" HeaderText="产品编码 " SortExpression="ItemCode" /> <asp:BoundField DataField="ItemName" HeaderText="产品名称 " SortExpression="ItemCode" /> <asp:BoundField DataField="LibraryCollar" HeaderText="预警库龄天数" HeaderStyle-Width="100px" SortExpression="LibraryCollar" /> <asp:BoundField DataField="TotalBalanceQty" HeaderText="可用库存" HeaderStyle-Width="100px" SortExpression="TotalBalanceQty"/> <asp:BoundField DataField="MaximumInventory" HeaderText="最大库存" HeaderStyle-Width="100px" SortExpression="MaximumInventory" /> <asp:BoundField DataField="SafetyStock" HeaderText="安全库存数" HeaderStyle-Width="100px" SortExpression="SafetyStock" /> <asp:BoundField DataField="CreateBy" HeaderText="<%$ Resources:lang,CreateBy%>" SortExpression="CreateBy" HeaderStyle-Width="60px" /> <asp:BoundField DataField="CreateDateTime" HeaderText="<%$ Resources:lang,CreateDateTime%>" SortExpression="CreateDateTime" HeaderStyle-Width="140px" DataFormatString="{0:yyyy-MM-dd HH:mm:ss}" /> <asp:BoundField DataField="ModifyBy" HeaderText="<%$ Resources:lang,ModifyBy%>" SortExpression="ModifyBy" HeaderStyle-Width="60px" /> <asp:BoundField DataField="ModifyDateTime" HeaderText="<%$ Resources:lang,ModifyDateTime%>" SortExpression="ModifyDateTime" HeaderStyle-Width="140px" DataFormatString="{0:yyyy-MM-dd HH:mm:ss}" /> <asp:BoundField DataField="Status" HeaderText="状态 " SortExpression="Status" /> </Columns> </asp:GridView>判断可用库存大于最大库存的数据变红
07-25
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