asp.net|技巧
1. 在Asp.net实用技巧(1) 中提到了如何刷新父页面,那么如果要刷新父页面的父页面的父页面了?那就是刷新祖先页面RefreshAncestorPage。


RefreshAncestorPage#region RefreshAncestorPage


/**//// <summary>

/// 刷新指定的祖先页面,注意是"祖先页面"

/// </summary>

public static void RefreshAncestorPage(HttpResponse Response ,string targetPageTitle ,bool isCloseCurPage)//targetPageTitle 目标页面的title


{

StringBuilder scriptString = new StringBuilder();

scriptString.Append("<script language = javascript>");

scriptString.Append("var p = window ;");

scriptString.Append(string.Format("while(p.document.title != '{0}')" ,targetPageTitle));

scriptString.Append("{");

scriptString.Append("p = p.opener ;");

scriptString.Append("}");

scriptString.Append("p.focus();");

scriptString.Append("p.refresh();");


if (isCloseCurPage )


{

scriptString.Append( " window.focus();" );

scriptString.Append( " window.opener=null;" );

scriptString.Append( " window.close(); " );

}


scriptString.Append("</"+"script>");


Response.Write(scriptString.ToString());

}



/**//*

需要在Father页面的html中添加如下脚本(在Header中):

<script language="javascript">

function refresh()

{

this.location = this.location;

}

</script>

*/

#endregion
2.如何刷新祖先页面中的某个frame中的page了?


RefreshFrameInAncestorPage#region RefreshFrameInAncestorPage


/**//// <summary>

/// 刷新指定的祖先页面中的某个框架的内部页面

/// </summary>

public static void RefreshFrameInAncestorPage(HttpResponse Response ,string ancestorTitle ,string frameName ,string targetUrl ,bool isCloseCurPage)//targetPageTitle 目标页面的title


{

StringBuilder scriptString = new StringBuilder();

scriptString.Append("<script language = javascript>");

scriptString.Append("var p = window ;");

scriptString.Append(string.Format("while(p.document.title != '{0}')" ,ancestorTitle));

scriptString.Append("{");

scriptString.Append("p = p.opener ;");

scriptString.Append("}");

scriptString.Append("p.focus();");

scriptString.Append(string.Format("p.{0}.location = '{1}';" ,frameName, targetUrl));


if (isCloseCurPage )


{

scriptString.Append( " window.focus();" );

scriptString.Append( " window.opener=null;" );

scriptString.Append( " window.close(); " );

}


scriptString.Append("</"+"script>");


Response.Write(scriptString.ToString());

}

#endregion
3.如何刷新本页面中的其它框架了?


RefreshTargetFrameInSamePage#region RefreshTargetFrameInSamePage


/**//// <summary>

/// 从某一框架刷新同一页面中的任意一框架(包括自己所处的框架)

/// </summary>

public static void RefreshTargetFrameInSamePage(HttpResponse Response ,string frameName ,string targetUrl)


{

string scripStr = string.Format("<script language ='javascript'> window.parent.{0}.location= '" ,frameName) +targetUrl + "'";

scripStr += "</"+"script>" ;

Response.Write(scripStr) ;

}

#endregion
4.如何调用祖先页面的脚本?


CallAncestorScriptMethod#region CallAncestorScriptMethod


/**//// <summary>

/// 调用祖先页面中的某个框架内部page的脚本 ,如果是调用祖先页面的脚本,targetFrameName传入null

/// </summary>

public static void CallAncestorScriptMethod(HttpResponse Response ,string targetPageTitle ,string targetFrameName ,string methodName ,string[] paraStrs)


{

StringBuilder scriptString = new StringBuilder();

scriptString.Append("<script language = javascript>");

scriptString.Append("var p = window ;");

scriptString.Append(string.Format("while(p.document.title != '{0}')" ,targetPageTitle));

scriptString.Append("{");

scriptString.Append("p = p.opener ;");

scriptString.Append("}");

if(targetFrameName != null)


{

if(paraStrs == null)


{

scriptString.Append(string.Format("p.frames['{0}'].{1}() ;" ,targetFrameName ,methodName ));

}

else


{

string rParaStr = string.Format("'{0}'" ,paraStrs[0]) ;

for(int i=1 ;i<paraStrs.Length ;i++)


{

rParaStr += string.Format(", '{0}'" ,paraStrs[i]) ;

}

scriptString.Append(string.Format("p.frames['{0}'].{1}({2}) ;" ,targetFrameName ,methodName ,rParaStr));

}

}

else


{

if(paraStrs == null)


{

scriptString.Append(string.Format("p.{0}() ;" ,methodName ));

}

else


{

string rParaStr = string.Format("'{0}'" ,paraStrs[0]) ;

for(int i=1 ;i<paraStrs.Length ;i++)


{

rParaStr += string.Format(", '{0}'" ,paraStrs[i]) ;

}

scriptString.Append(string.Format("p.{0}({1}) ;" ,methodName ,rParaStr));

}

}


scriptString.Append("</"+"script>");

Response.Write(scriptString.ToString());

}

#endregion

5.如何调用本页面中其它框架page的脚本?


CallTargetFrameScriptMethodInSamePage#region CallTargetFrameScriptMethodInSamePage


/**//// <summary>

/// 调用本页面中其它框架内部page的脚本 ,

/// </summary>

public static void CallTargetFrameScriptMethodInSamePage(HttpResponse Response ,string targetFrameName ,string methodName ,string[] paraStrs)


{

StringBuilder scriptString = new StringBuilder();

scriptString.Append("<script language = javascript>");


if(paraStrs == null)


{

scriptString.Append(string.Format("window.parent.{0}.{1}() ; ;" ,targetFrameName ,methodName));

}

else


{

string rParaStr = string.Format("'{0}'" ,paraStrs[0]) ;

for(int i=1 ;i<paraStrs.Length ;i++)


{

rParaStr += string.Format(", '{0}'" ,paraStrs[i]) ;

}

scriptString.Append(string.Format("window.parent.{0}.{1}({2}) ; ;" ,targetFrameName ,methodName ,rParaStr));

}

scriptString.Append("</"+"script>");

Response.Write(scriptString.ToString());

}

#endregion
可见上述这些功能都是通过脚本完成的,如果对脚本不熟悉,是不可能做好Web开发的!