模態窗體選擇文本控件

經常使用摸態窗體,總是需要重復編寫javascript腳本.所以封裝了這個控件,這個控件使用的是aspnet2.0的API.所以用在1.1上的需要自己修改代碼.

控件代碼
<!--<br><br>Code highlighting produced by Actipro CodeHighlighter (freeware)<br>http://www.CodeHighlighter.com/<br><br>--> using System;
using System.ComponentModel;
using System.Text;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;

namespace DotnetClubPortal.WebControls
{
/**/ /// <summary>
/// 用戶選擇控件
/// </summary>
[DefaultProperty( " Text " ),
ToolboxData( " <{0}:SelectObjectrunat=server></{0}:SelectObject> " )]
public class SelectObject:,INamingContainer
{
protected System.Web.UI.HtmlControls.HtmlInputHiddenhiddenObjectId;
protected System.Web.UI.WebControls.TextBoxtxtObjectName;
protected System.Web.UI.WebControls.Buttonbutton;


private HtmlTableuiTable;

public SelectObject()
{
txtObjectName = new Textbox();
hiddenObjectId = new HtmlInputHidden();
}

/**/ /// <summary>
/// ID,ID中間使用","分隔
/// </summary>
[Browsable( false ),Category( " 設置 " ),Description( " 取得的對象值，中間使用','分隔 " ),DefaultValue( "" )]
public string ObjectId
{
get
{
return hiddenObjectId.Value;
}
set
{
hiddenObjectId.Value = value.ToString();
}
}

/**/ /// <summary>
/// 名稱，中間使用","分隔
/// </summary>
[Browsable( false ),Category( " 設置 " ),Description( " 對象名稱，中間使用','分隔 " ),DefaultValue( "" )]
public string ObjectName
{
get
{
return txtObjectName.Text;
}
set
{
this .txtObjectName.Text = value.ToString();
}
}

[Category( " 設置 " ),Description( " 選擇頁面路徑 " ),Browsable( true ),NotifyParentProperty( true )]
public string PageUrl
{
get
{
object obj = ViewState[ " PageUrl " ];
return (obj == null ) ? string .Empty:obj.ToString();
}
set
{
ViewState[ " PageUrl " ] = value;
}
}

/**/ /// <summary>
/// 編輯框是否可見
/// </summary>
[Category( " 設置 " ),Description( " 編輯框是否可見 " ),Browsable( true ),DefaultValue( true )]
public bool IsVisable
{
get
{
object obj = ViewState[ " Visable " ];
return (obj == null ) ? false : bool .Parse(obj.ToString());
}
set
{
ViewState[ " Visable " ] = value;
}
}

protected override void Render(HtmlTextWriteroutput)
{
base .Render(output);
Control[]CtrlArray;
CtrlArray = new Control[ 3 ];
CtrlArray[ 0 ] = this .hiddenObjectId;
CtrlArray[ 1 ] = this .txtObjectName;
CtrlArray[ 2 ] = this .button;
CreateTabeRow(CtrlArray);
}



/**/ /// <summary>
/// 創建行
/// </summary>
/// <paramname="Obj"> 行中包含的控件 </param>
private void CreateTabeRow(Control[]Obj)
{
HtmlTableRowtr = new HtmlTableRow();
HtmlTableCelltd = new HtmlTableCell();
foreach (Controlc in Obj)
{
if (c != null )
{
td.Controls.Add(c);
}

}
tr.Cells.Add(td);
uiTable.Rows.Add(tr);
}

protected override void OnPreRender(EventArgse)
{
RegisterClientScriptBlockJavaScript();
base .OnPreRender(e);
}

發出客戶端腳本RegisterClientScriptBlockJavaScript() #region 發出客戶端腳本RegisterClientScriptBlockJavaScript()
private void RegisterClientScriptBlockJavaScript()
{
// 如果已經注冊了腳本則不再注冊
if (Page.ClientScript.IsClientScriptBlockRegistered( " SetValue " ))
{
return ;
}
else
{
Page.ClientScript.RegisterClientScriptBlock( this .GetType(), " SetValue " ,SetValue().ToString());
}

}

public StringBuilderSetValue()
{
StringBuilderbuilder = new StringBuilder();
builder.Append( " <scriptlanguage=\ " javascript\ " >\n " );
builder.Append( " functionSetValue(Url,Name,Id){\n " );
builder.Append( " varvDialog;\n " );
builder.Append( " vDialog=window.showModalDialog(Url,window,\ " dialogHeight:500px;dialogWidth:320px;status:no;resizable:yes;scroll:no;\ " );\n " );
builder.Append( " if(vDialog!=null){ " );
builder.Append( " if(document.getElementById(Name))document.getElementById(Name).value=vDialog.oSelectName;\n " );
builder.Append( " if(document.getElementById(Id))document.getElementById(Id).value=vDialog.oSelectNameID;\n " );
builder.Append( " }}</script>\n " );
return builder;

}

#endregion

protected override void CreateChildControls()
{
uiTable = new HtmlTable();
uiTable.ID = " uiTable " ;
uiTable.Width = " 100% " ;
uiTable.Border = 0 ;

// txtObjectName=newTextBox();
txtObjectName.ID = " ObjectName " ;
txtObjectName.Visible = this .IsVisable;

// hiddenObjectId=newHtmlInputHidden();
hiddenObjectId.ID = " ObjectId " ;

this .button = new Button();
this .button.ID = " btnSelect " ;
this .button.Attributes.Add( " width " , " 100 " );
this .button.Text = " 選擇 " ;
this .button.Attributes.Add( " onclick " , string .Format( " javascript:SetValue('{0}','{1}','{2}'); " ,PageUrl, this .ClientID + " _ObjectName " , this .ClientID + " _ObjectId " ));
this .button.CausesValidation = false ;

this .Controls.Add(uiTable);
this .Controls.Add(hiddenObjectId);
this .Controls.Add(txtObjectName);
this .Controls.Add(button);
}
}
}

具體使用 :

<cc1:SelectObject ID="PowerFlag" IsVisable="true" PageUrl="../../../../CommonPage/GetGroupInfo.aspx" runat="server">
</cc1:SelectObject>
通過屬性ObjectName,ObjectId獲取選擇返回的值.

原文： http://shanyou.cnblogs.com/archive/2005/12/31/309171.html

模態窗體選擇文本控件