open popup window in asp.net

script language="javascript" type="text/javascript">

var win=null;

function NewWindow(mypage,myname,w,h,scroll,pos)
{
if(pos=="random"){LeftPosition=(screen.width)?Math .floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',l ocation=no,directories=no,status=no,menubar=no,too lbar=no,resizable=yes';
win=window.open(mypage,myname,settings);
}


/script>

input type="button" value="Add Course" onclick="NewWindow('RegisterCourse.aspx','Register','800','550','yes','center');return false" onfocus="this.blur()" />


from: http://p2p.wrox.com/asp-net-1-0-1-1-basics/36479-open-popup-window-asp-net.html

JavaScript Best Codes

http://www.javascriptfreecode.com/index.htm

http://www.dreamincode.net/code/browse.php?cid=9

JavaScript Calendar

http://www.design2develop.com/calendar/#download

Using javascript for checkall in gridview

script language="javascript" type="text/javascript"
function selectall(status)
{
var gridview=document.getElementById("gridview1");
for(var i=1;i
Columns>


asp:TemplateField>
HeaderTemplate>
asp:CheckBox runat="Server" ID="chkall" onclick="javascript:selectall(this.checked);" />
/HeaderTemplate>
ItemTemplate>
asp:CheckBox runat="server" ID="chk1" />
/ItemTemplate>
/asp:TemplateField>
asp:BoundField DataField="ename" HeaderText="empname" ReadOnly="true" />
/Columns>
/asp:GridView>