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無法將類型為“System.Web.UI.WebControls.HiddenField”的對(duì)象...
運(yùn)行后會(huì)出錯(cuò):無法將類型為“System.Web.UI.LiteralControl”的對(duì)象強(qiáng)制轉(zhuǎn)換為類型“System.Web.UI.WebControls.DropDownList”。 可能大家都很納悶了,再返回去檢查一遍,沒有數(shù)錯(cuò)啊,這時(shí)我們就要看看到底什么是System.Web.UI.LiteralControl控件了? System.Web.UI.LiteralCo
www.dbjr.com.cn/article/292...htm 2025-5-28
ASP.NET自定義Web服務(wù)器控件之Button控件_實(shí)用技巧_腳本之家
using System.Text; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; //自定義web服務(wù)器button namespace MyControls { [DefaultProperty("Text")] [ToolboxData("<{0}:MyButton runat=server></{0}:MyButton>")] public class MyButton : WebControl,IPostBackEventHandler { ...
www.dbjr.com.cn/article/577...htm 2025-6-7
ASP.NET打開新頁面而不關(guān)閉原來的頁面 實(shí)例代碼_實(shí)用技巧_腳本之家
/// 提示信息 public static void ShowConfirm(System.Web.UI.WebControls.WebControl Control, string msg) { //Control.Attributes.Add("onClick","if (!window.confirm('"+msg+"')){return false;}"); Control.Attributes.Add("onclick", "return confirm('" + msg + "');"); } /// /// ...
www.dbjr.com.cn/article/400...htm 2025-5-20
ASP.NET技巧:教你制做Web實(shí)時(shí)進(jìn)度條_實(shí)用技巧_腳本之家
public class _Default : System.Web.UI.Page { protected System.Web.UI.WebControls.Button Button1; private void Page_Load(object sender, System.EventArgs e) { // Put user code to initialize the page here } Web Form Designer generated code#region Web Form Designer generated code ...
www.dbjr.com.cn/article/12...htm 2025-5-29
在JavaScript中通過URL傳遞漢字的方法_javascript技巧_腳本之家
using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { string tmpValue1 = ""; string tmpValue2 = ""; ...
www.dbjr.com.cn/article/93...htm 2025-5-30
ASP.NET中 RadioButtonList 單選按鈕組控件的使用方法_基礎(chǔ)應(yīng)用_腳本...
using System.Web.UI.WebControls; public partial class WebControls_RadioButtonList : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void btnSubmit_Click(object sender, EventArgs e) { lblState.Text = radlSex.SelectedValue; ...
www.dbjr.com.cn/article/829...htm 2025-5-26
ASPX向ASCX傳值以及文本創(chuàng)建圖片(附源碼)_實(shí)用技巧_腳本之家
using System.Web.UI.WebControls; using Insus.NET; public partial class B : System.Web.UI.UserControl { protected void Page_Load(object sender, EventArgs e) { this.imgBmp.ImageUrl = GetImagePath("Insus.NET"); //默認(rèn)值。 } protected void imgBmp_Click(object sender, ImageClickEventArgs e) ...
www.dbjr.com.cn/article/349...htm 2025-5-18