How to invoke a popup window from an aspx page in ASP.NET?

fuction to make popup win at client side:-

Public Sub PopUp(ByVal url As String)

Dim popup As String = ""

End Sub

call the function

Hi, Try the following

button1.attributes.add("onclick","window.open('default.aspx');")

Here, button1 is the id of Button control

Regards

srilatha