javascript sample from aspx.cs page

Printing from aspx.cs page

imgBtnPrint.Attributes.Add("onclick", "window.print();");

alert box from aspx.cs page

Response.Write("<script>alert('Hello');</script>");

button that directly prints a document via website:

<input type="button" value="Print" onclick="window.print();" />

or

<asp:button id="button1" runat="server" onclientclick="window.print(); return false;" text=Print" />

Another sample

  string popupScript = "<script language='javascript'>" + "window.open('frmLogin.aspx" + "', 'PasswwordExpiryWarning', " + "'width=430, height=318, menubar=no, resizable=no')" + "</script>";
 ClientScript.RegisterStartupScript(popupScript.GetType(), "Warning", popupScript);



btn cancle (on popup window):
btnCancel.Attributes.Add("onClick", "javascript:window.close();");