i want to run the submit button when the page loadsHere is my form, it redirect to paypal and i want to run on page load\[code\]<head id="Head1" runat="server"><title></title></head><body><form id="form1" runat="server" action="<%= ConfigurationManager.AppSettings["PayPalSubmitUrl"] %>" method="post" ><input type="hidden" name="cmd" value="http://stackoverflow.com/questions/15626699/_cart"/><input type="hidden" name="upload" value="http://stackoverflow.com/questions/15626699/1"/><input type="hidden" name="business" value="http://stackoverflow.com/questions/15626699/<%= ConfigurationManager.AppSettings["PayPalEmailAddress"] %>"/><input type="hidden" name="item_name_1" value="http://stackoverflow.com/questions/15626699/Shopping_Cart"/><input type="hidden" name="amount_1" value="http://stackoverflow.com/questions/15626699/<%=Session["Total"].ToString() %>" /> <input type="hidden" name="currency_code" value="http://stackoverflow.com/questions/15626699/EUR" /><input type="submit" id="submit" runat="server" value="http://stackoverflow.com/questions/15626699/PayPal" /></form></body></html>\[/code\]