此博文是教你怎样去获取GridView TemplateField的数据。GridView TemplateField如下写法，没有其它附加控件如Label或Literal等显示字段值。
< asp:TemplateField HeaderText ="Price" > < ItemTemplate > <% # Eval ( " Price " ) %> </ ItemTemplate > </ asp:TemplateField >
要求是Price低于1000元的显示绿色，大于等于1000元以及小于等2000元的显示蓝色，大于2000元显示红色。
网页运行效果：
源代码，
Monitors.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; /// <summary> /// Summary description for Monitors /// </summary> namespace Insus.NET { public class Monitors { private string _Brand; private string _Model; private decimal _Price; public string Brand { get { return _Brand; } set { _Brand = value; } } public string Model { get { return _Model; } set { _Model = value; } } public decimal Price { get { return _Price; } set { _Price = value; } } public Monitors( string brand, string model, decimal price) { this._Brand = brand; this._Model = model; this._Price = price; } } }
Default.aspx:
Default.aspx <% @ Page Language = " C# " AutoEventWireup = " true " CodeFile = " Default.aspx.cs " Inherits = " _Default " %> <! DOCTYPE html > < html xmlns ="http://www.w3.org/1999/xhtml" > < head runat ="server" > < title ></ title > </ head > < body > < form id ="form1" runat ="server" > < div > < asp:GridView ID ="GridViewMonitor" runat ="server" AutoGenerateColumns ="false" Width ="35%" OnRowDataBound ="GridViewMonitor_RowDataBound" > < Columns > < asp:TemplateField HeaderText ="Brand" > < ItemTemplate > <% # Eval ( " Brand " ) %> </ ItemTemplate > </ asp:TemplateField > < asp:TemplateField HeaderText ="Model" > < ItemTemplate > <% # Eval ( " Model " ) %> </ ItemTemplate > </ asp:TemplateField > < asp:TemplateField HeaderText ="Price" > < ItemTemplate > <% # Eval ( " Price " ) %> </ ItemTemplate > </ asp:TemplateField > </ Columns > </ asp:GridView > </ div > </ form > </ body > </ html >
Default.aspx.cs:
Default.aspx.cs using System; using System.Collections.Generic; using System.Data; using System.Drawing; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using Insus.NET; public partial class _Default : System.Web.UI.Page { protected void Page_Load( object sender, EventArgs e) { if (!IsPostBack) Data_Binding(); } private void Data_Binding() { List<Monitors> m = new List<Monitors>(); m.Add( new Monitors( " 三星 ", " S19A330BW ", 859m)); m.Add( new Monitors( " AOC ", " e2343F ", 1020m)); m.Add( new Monitors( " 戴尔 ", " U2412M ", 2070m)); m.Add( new Monitors( " 飞利浦 ", " 227E3QPHSU/93 ", 1099m)); m.Add( new Monitors( " 苹果 ", " MC007 ", 8600m)); m.Add( new Monitors( " LG ", " E2242C-BN ", 899m)); m.Add( new Monitors( " 明基 ", " VW2420H ", 1699m)); m.Add( new Monitors( " 优派 ", " VX2370S-LED ", 1190m)); this.GridViewMonitor.DataSource = m; this.GridViewMonitor.DataBind(); } protected void GridViewMonitor_RowDataBound( object sender, GridViewRowEventArgs e) { // 获取列索引，并存入ViewState if (e.Row.RowType == DataControlRowType.Header) for ( int i = 0; i < e.Row.Cells.Count; i++) { if (e.Row.Cells[i].Text.Replace ( "\r\n","").Trim() == " Price ") { ViewState[ " cellIndex "] = i; break; } } // 如果不是DataRow，将不执行 if (e.Row.RowType != DataControlRowType.DataRow) return; // 获取行记录的价格 decimal price = Convert.ToDecimal(((Monitors)e.Row.DataItem).Price); // 默认价格为显示蓝色（大于等于1000或者小于等于2000） SetForeColor(e, " blue "); // 价格小于1000显示为绿色 if (price < 1000m) SetForeColor(e, " green "); // 价格大于2000显示为红色 if (price > 2000m) SetForeColor(e, " red "); } // 设置价格前景色 private void SetForeColor(GridViewRowEventArgs e, string color) { e.Row.Cells[( int)ViewState[ " cellIndex "]].ForeColor = Color.FromName(color); } }