Child window access problem

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C#

Hi All,

I am opening a child window using java script.
The code is as follows.

string strPopup = "YourPopupPage.aspx?yourParameterName=" + Server.UrlEncode(paramValue) + "&secondPraramName=" + Server.UrlEncode(paramValue); 
 
ClientScript.RegisterClientScriptBlock ("load", "<script type=\"text/javascript\">\n" + "window.open('" + strPopup + "','ApplicationName',config='left=400, top=400, height=200, width=650, status=yes, resizable= no, scrollbars= no, toolbar= no,location= no, menubar= no');\n" + "</script>");

I want to code it in a way,where the parent window should not be accesible until the child window is not closed.

What code changes should i do in the code?

Please help me in this.

Thanks in advance.