PAGE METHOD

function GetdueDateFromSever() {
var state = document.getElementById("ctl00_cplHolderDefault_ddlIssueState").options[document.getElementById("ctl00_cplHolderDefault_ddlIssueState").selectedIndex].value;
var receivedDate = document.getElementById("ctl00_cplHolderDefault_wdcInqReceivedDate_input").value;
var dateOfLetter = document.getElementById("ctl00_cplHolderDefault_wdcDateOfLetter_input").value;
var inquiryType = document.getElementById("ctl00_cplHolderDefault_ddlInquiryType").options[document.getElementById("ctl00_cplHolderDefault_ddlInquiryType").selectedIndex].value;
var responsibleFunction = document.getElementById("ctl00_cplHolderDefault_lstResponsibleFunction");
var responsiblefunction1 = '';
for (var i = 0; i < responsibleFunction.options.length; ++i) {
if (responsibleFunction.options[i].selected == true) {
responsiblefunction1 = responsiblefunction1.concat(responsibleFunction.options[i].value + ',')
}
}

//
var varResult;
if (state != -1 && receivedDate != "") {
var varWebRequest = new Sys.Net.WebRequest();
varWebRequest.set_httpVerb('POST');
varWebRequest.get_headers()['Content-Type'] = 'application/json; charset=utf-8';
//
//, subEntityName: subEntityName
var varUrlParams = { receivedDate: receivedDate, state: state, inquiryType: inquiryType, responsiblefunction1: responsiblefunction1, dateOfLetter: dateOfLetter };
varWebRequest.set_url(Sys.Net.WebRequest._createUrl(PageMethods.get_path() + "/getDueDateFromServer", varUrlParams));
var varBody = null;
varBody = Sys.Serialization.JavaScriptSerializer.serialize(varUrlParams);
if (varBody === "{}") varBody = "";
varWebRequest.set_body(varBody);
//
var varExecutor = new Sys.Net.XMLHttpSyncExecutor();
varWebRequest.set_executor(varExecutor);
varWebRequest.invoke();
//
if (varExecutor.get_responseAvailable())
varResult = varExecutor.get_object();

document.getElementById("ctl00_cplHolderDefault_wdcDueDate_input").value = varResult;
document.getElementById("ctl00_cplHolderDefault_hdnDueDate").value = varResult;
}
}











[WebMethod()]
[ScriptMethod()]
public static string getDueDateFromServer(string receivedDate, string state, string inquiryType, string responsiblefunction1, string dateOfLetter)
{
CSSI.VUE.CS.Web.Service.Inquiry.SchemaHeader sh = WebHelper.GetServiceSoapHeader("INQUIRY", "INQUIRYRESEARCHREP1DATASCHEMA") as CSSI.VUE.CS.Web.Service.Inquiry.SchemaHeader;
InquiryService inquiryService = WebHelper.GetInquiryService();
inquiryService.SchemaHeaderValue = sh;
XmlDocument xdDueDateList = new XmlDocument();
xdDueDateList.LoadXml(@"" + state + "" + receivedDate + "" + dateOfLetter + "" + inquiryType + "" + responsiblefunction1 + "");
////
XmlNode xnUserList = inquiryService.GetDueDateByState(xdDueDateList);

string dueDate = xnUserList.SelectSingleNode("//DUEDATE").InnerText;
if (dueDate == "01/01/1900")
{
dueDate = "";
}
return dueDate;
}