I will try your approach. Thank you very much!

>First leave the .NavigateUrl property empty.
>Then add an onClick event to the hyperlink to launch your javascript function. In the code behind Page_Load event:
>
>this.hlnkControl.Attributes.Add("onClick", "onWindow(); return false;")
>
>
>>I need help with the following:
>>
>>The code behind creates hyperlink control, dynamically, in the Page_Load method.
>>
>>Without javascript, the .NavigateUrl property of the hyperlink control would be assigned value like this:
>>

>>hlnkControl.NavigateUrl = "mypage.aspx?myparam=123&Date=01/01/2003";
>>

>>
>>All would be well but I need to open page mypage.aspx in a small window without toolbar, scrollbars, and a certain size. To do this I need to call a JavaScript funtion.
>>
>>I have two problems so far that I can't resolve:
>>
>>1. I created a small JS function OpenWind() (in the HEAD section). And if I replace the NavigateUrl propert string above to the following:
>>

>>hlnkControl.NavigateUrl = "javascript:OpenWind()";
>>

>>
>>When clicking on this hyperlink it tries to open page 'javascript:OpenWind()'. Which is no good.
>>
>>2. Even if item 1 would work, how do I pass the parameters "myparam=123&Date=01/01/2003" and aspx page name (mypage.aspx) to the javascript function?
>>
>>I would appreciate any help or suggestions.