首頁 > 其他

GridView動態添加模板列

來源：互聯網
上載者：User
創建阿里雲帳戶，並獲得超過 40 款產品的免費試用版；而企業帳戶則可以享有總值 $1200 的免費試用版。立即註冊！


GridView動態添加模板列 這個case 經常會遇到，網上相關資料也不少，

但是關於如何動態為添加在模板列中的控制項添加事件卻沒有。本文就是為解決這種情況而寫。

代碼如下:

GridViewTemplateDemo.aspx


 

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewTemplateDemo.aspx.cs" Inherits="GridView_GridViewTemplateDemo" %><br /><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br /><html xmlns="http://www.w3.org/1999/xhtml" ><br /><head id="Head1" runat="server"></p><p> <title>GridView動態添加模板列的例子</title></p><p> </head></p><p> <body></p><p> <form id="form1" runat="server"></p><p> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"></p><p> </asp:GridView></p><p> </form></p><p> </body></p><p> </html> 

GridViewTemplateDemo.aspx.cs


using System;<br />using System.Data;<br />using System.Configuration;<br />using System.Collections;<br />using System.Web;<br />using System.Web.Security;<br />using System.Web.UI;<br />using System.Web.UI.WebControls;<br />using System.Web.UI.WebControls.WebParts;<br />using System.Web.UI.HtmlControls;<br />public partial class GridView_GridViewTemplateDemo : System.Web.UI.Page<br />{<br /> private DataTable getDateTable()<br /> {<br /> DataTable dt = new DataTable();<br /> dt.Columns.Add(new DataColumn("ID", typeof(Int32)));<br /> dt.Columns.Add(new DataColumn("Name", typeof(String)));<br /> DataRow dr = dt.NewRow();<br /> dr[0] = 1;<br /> dr[1] = "01";<br /> dt.Rows.Add(dr);<br /> dr = dt.NewRow();<br /> dr[0] = 2;<br /> dr[1] = "01011";<br /> dt.Rows.Add(dr);<br /> dr = dt.NewRow();<br /> dr[0] = 3;<br /> dr[1] = "0120";<br /> dt.Rows.Add(dr);<br /> dr = dt.NewRow();<br /> dr[0] = 4;<br /> dr[1] = "01001";<br /> dt.Rows.Add(dr);<br /> dr = dt.NewRow();<br /> dr[0] = 5;<br /> dr[1] = "0105";<br /> dt.Rows.Add(dr);<br /> return dt;<br /> }</p><p> protected override void OnInit(EventArgs e)<br /> {<br /> TemplateField customField = new TemplateField();</p><p> customField.ShowHeader = true;<br /> customField.HeaderTemplate = new GridViewTemplate(DataControlRowType.Header, "動態添加列");<br /> GridViewTemplate gvt = new GridViewTemplate(DataControlRowType.DataRow, "lbtn", "Name");<br /> gvt.eh += new GridViewTemplate.EventHandler(lbtn_Click);<br /> customField.ItemTemplate = gvt;<br /> GridView1.Columns.Add(customField);<br /> base.OnInit(e);<br /> }</p><p> protected void Page_Load(object sender, EventArgs e)<br /> {<br /> if (!IsPostBack)<br /> {<br /> GridView1.DataSource = getDateTable();<br /> GridView1.DataBind();<br /> }<br /> }</p><p> public void lbtn_Click(object sender, EventArgs e)<br /> {<br /> ClientScript.RegisterStartupScript(GetType(), "test", "alert('ok');", true);<br /> }<br />}</p><p> public class GridViewTemplate : ITemplate</p><p> {<br /> public delegate void EventHandler(object sender, EventArgs e);<br /> public event EventHandler eh;</p><p> private DataControlRowType templateType;</p><p> private string columnName;<br /> private string controlID;</p><p> public GridViewTemplate(DataControlRowType type, string colname)</p><p> {</p><p> templateType = type;</p><p> columnName = colname;</p><p> }<br /> public GridViewTemplate(DataControlRowType type,string controlID, string colname)<br /> {<br /> templateType = type;<br /> this.controlID = controlID;<br /> columnName = colname;<br /> }</p><p> public void InstantiateIn(System.Web.UI.Control container)<br /> {<br /> switch (templateType)<br /> {<br /> case DataControlRowType.Header:<br /> Literal lc = new Literal();<br /> lc.Text = columnName;<br /> container.Controls.Add(lc);<br /> break;<br /> case DataControlRowType.DataRow:<br /> LinkButton lbtn = new LinkButton();<br /> lbtn.ID = this.controlID;<br /> if (eh != null)<br /> {<br /> lbtn.Click += new System.EventHandler(eh);<br /> }<br /> lbtn.DataBinding+=new System.EventHandler(lbtn_DataBinding);</p><p> container.Controls.Add(lbtn);</p><p> break;<br /> default:<br /> break;<br /> }<br /> }<br /> void lbtn_DataBinding(object sender, EventArgs e)<br /> {<br /> LinkButton lbtn = sender as LinkButton;<br /> if (lbtn != null)<br /> {<br /> GridViewRow container = lbtn.NamingContainer as GridViewRow;<br /> if (container != null)<br /> {<br /> object dataValue = DataBinder.Eval(container.DataItem, columnName);<br /> if (dataValue != DBNull.Value)<br /> {<br /> lbtn.Text = dataValue.ToString();<br /> }<br /> }<br /> }<br /> }</p><p> }<br />


 

本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

聯繫我們

該頁面正文內容均來源於網絡整理，並不代表阿里雲官方的觀點，該頁面所提到的產品和服務也與阿里云無關，如果該頁面內容對您造成了困擾，歡迎寫郵件給我們，收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容，歡迎發送郵件至： info-contact@alibabacloud.com 進行舉報並提供相關證據，工作人員會在 5 個工作天內聯絡您，一經查實，本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More