Open a Parent window from Child window

window.opener.location.href="default.aspx";

// To make it on top

window.opener.focus();

Everything you would want to know about manipulating windows can usually be found here

Following link has good examples on various operations that can be done on window open in asp.net

http://www.irt.org/script/window.htm

Steps for Resource File in Windows application

Get the Executing assembly

Assembly executingAssembly = Assembly.GetExecutingAssembly()

Path of executing assembly

string assemblyLocation = executingAssembly.Location;

string dirName = Path.GetDirectoryName(assemblyLocation);

Get the path of UI assembly

Assembly UIassembly = Assembly.LoadFile(Path.Combine(dirName, "dllname"));

Initialize the Resource Manager

ResourceManager = new ResourceManager(@"resourcename", UIassembly);

Regular Expression for Date in dd/mm/yyyy

^(((((0[1-9])|(1\d)|(2[0-8]))/((0[1-9])|(1[0-2])))|((31/((0[13578])|(1[02])))|((29|30)/((0[1,3-9])|(1[0-2])))))/((20[0-9][0-9]))|((((0[1-9])|(1\d)|(2[0-8]))/((0[1-9])|(1[0-2])))|((31/((0[13578])|(1[02])))|((29|30)/((0[1,3-9])|(1[0-2])))))/((19[0-9][0-9]))|(29/02/20(([02468][048])|([13579][26])))|(29/02/19(([02468][048])|([13579][26]))))$