至顶网›软件频道 ›应用软件›模拟Confirm的Web自定义控件

模拟Confirm的Web自定义控件

扫一扫
分享文章到微信
扫一扫
关注官方公众号
至顶头条

按项目要求做的，为了方便，做成自定义控件了

作者：待缘来源：CSDN 2008年3月29日

关键字：控件 web 模拟 Web开发软件

using System;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.ComponentModel;

using System.Collections;

using System.Collections.Specialized;

namespace PublicControls

{

///<summary>

/// MsgBoxControl 的摘要说明。

///</summary>

public class MsgBoxControl : Control,IPostBackDataHandler,IPostBackEventHandler

{

#region预定义

#endregion

#region属性

#endregion

#region事件/方法

///<summary>

///获取回发的数据

///</summary>

///<param name="postDataKey"></param>

///<param name="values"></param>

///<returns></returns>

public bool LoadPostData(String postDataKey, NameValueCollection values)

{

return false;

}

///<summary>

///数据回发事件

///</summary>

public void RaisePostDataChangedEvent()

{

}

///<summary>

///回送事件

///</summary>

///<param name="e"></param>

public void RaisePostBackEvent(string e)

{

}

///<summary>

///输出预处理

///</summary>

///<param name="e"></param>

protected override void OnPreRender(EventArgs e)

{

}

///<summary>

///添加控件方法，该方法为指定控件添加onclick属性

///</summary>

///<param name="button">LinkButton控件对象</param>

///<param name="msg">提示信息</param>

public void AddAttributes(System.Web.UI.WebControls.LinkButton button,string msg)

{

button.Attributes.Add("onclick","return onformsubmit(this,'"+msg+"')");

}

///<summary>

///添加控件方法，该方法为指定控件添加onclick属性

///</summary>

///<param name="button">Button控件对象</param>

///<param name="msg">提示信息</param>

public void AddAttributes(System.Web.UI.WebControls.Button button,string msg)

{

button.Attributes.Add("onclick","return onformsubmit(this,'"+msg+"')");

}

#endregion

#region输出

///<summary>

///将此控件呈现给指定的输出参数。

///</summary>

///<param name="output">要写出到的 HTML 编写器 </param>

protected override void Render(HtmlTextWriter output)

{

string View=ViewString();

output.Write(View);

}

#endregion

#region其他函数

///<summary>

///输出字符串

///</summary>

///<returns></returns>

string ViewString()

{

string view="";

view+="<script language=\"javascript\">\n";

view+="<!--\n";

view+="var EventObj;";

view+="function operation(obj)\n";

view+="{\n";

view+="if(obj.innerHTML==\"0\")\n";

view+="{\n";

view+="obj.innerHTML=\"2\";\n";

view+="obj.parentNode.parentNode.style.height=\"0px\";\n";

view+="obj.parentNode.nextSibling.style.display=\"none\";\n";

view+="obj.parentNode.nextSibling.nextSibling.nextSibling.style.display=\"none\";\n";

view+="}";

view+="else if(obj.innerHTML==\"2\")\n";

view+="{";

view+="obj.innerHTML=\"0\";\n";

view+="obj.parentNode.nextSibling.style.display=\"block\";\n";

view+="obj.parentNode.nextSibling.nextSibling.nextSibling.style.display=\"block\";\n";

view+="}\n";

view+="else\n";

view+="{\n";

view+="obj.parentNode.parentNode.style.display='none';\n";

view+="}\n";

view+="function onformsubmit(obj,msg)\n";

view+="{\n";

view+="EventObj = obj;\n";

view+="win.style.left=document.body.clientWidth/2-100;\n";

view+="win.style.top=document.body.clientHeight/2-150;\n";

view+="win.style.display=\"block\";\n";

view+="win.childNodes[1].innerHTML=msg;\n";

view+="return false;\n";

view+="}\n";

view+="function formsubmit()\n";

view+="{\n";

view+="eventTarget = EventObj.id.split(\"_\").join(\"$\").split(\"$$\").join(\"$_\");\n";

view+="eventArgument = '';\n";

view+="__doPostBack(eventTarget, eventArgument);\n";

view+="}\n";

view+="//-->\n";

view+="</script>\n";

view+="<div id=\"win\" style=\"position:absolute;z-index=999; background-color: #FFFFFF;BORDER-RIGHT:navy thin solid; BORDER-TOP:navy thin solid; DISPLAY:none; BORDER-LEFT:navy thin solid; WIDTH:200px; BORDER-BOTTOM:navy thin solid;\">\n";

view+="<span style=\"FONT-SIZE: 9pt;WIDTH: 100%;COLOR: white;BACKGROUND-COLOR: navy;">\n";

view+="<font style=\"CURSOR: hand\" onclick=\"operation(this);\">0</font> <font style=\"CURSOR: hand\" onclick=\"operation(this);\">\n";

view+="r</font></span><span></span><br>\n";

view+="<span style=\"\"><font style=\"CURSOR: hand\" onclick=\"formsubmit();\">[确定]</font>   <font style=\"CURSOR: hand\" onclick=\"operation(this);\">[取消]</font>\n";

view+="</span>\n";

view+="</div>\n";

return view;

}

#endregion

}