webservice not calling if implemented through user control error 12031
inside gridview
<
asp:PopupControlExtender ID="popup1" runat="server" PopupControlID="Panel1" TargetControlID="lnk"
DynamicControlID="Panel1" DynamicContextKey='<%#Eval("rate_id")%>' DynamicServiceMethod="GetContent"
Position="Right">
</asp:PopupControlExtender>
code-behind :
[System.Web.Services.WebMethodAttribute(), System.Web.Script.Services.ScriptMethodAttribute()]
public static string GetContent(string contextKey)
{
StringBuilder sbscript = new StringBuilder();
sbscript.Append("<table width='200px' cellspacing='1' cellpadding='2' style='removed-100px;border: solid 2px #cccccc; background-color: #ffffff'>");
sbscript.Append("<tr><td align='left' style='background-color: #cccccc; color: #787878; font-size: 18px; font-weight: bold;font-family: Tahoma'>Breakup</td></tr>");
sbscript.Append("<tr><td align='left' style='font-family: Tahoma; font-size: 11px; font-weight: normal;color: #333333'><br />Fare : Rs.</td></tr>");
sbscript.Append("<tr><td><hr/></td></tr>");