How to increase session timeout of hidden field value

Hi,

 

 

I am binding the gridview values to the hiddenfield and calling the hidden field values on button clik event by spliting the values of hidden field based on ~(for rows) and ^(columns). This is working fine but, when after the session timeout, the values of the hidden field is getting lost and "object reference not found" exception is occurring. Please give me the solution of increasing session for hidden field.

 

 

function updateValues1() {   
          var grdProjectEmpUpdDetails = document.getElementById("<%=grdProjectEmpUpdDetails.ClientID %>");   
          var hdnUpdateData = document.getElementById("<%=hdnUpdateData.ClientID %>");       
      hdnUpdateData.value = '';        
     var checkempid = '';           
  for (var j = 1; j <= grdProjectEmpUpdDetails.rows.length - 2; j++) 
{                 checkempid = '';                 var cellCount = grdProjectEmpUpdDetails.rows[j].cells.length;                
 for (var i = 0; i < cellCount; i++)
]
 {                     if (hdnUpdateData.value == '') {      
                   if (i == 0 || i == 1)
 {                             if ((grdProjectEmpUpdDetails.rows[j].cells[i].innerText) == undefined) 
{                                 var txt = grdProjectEmpUpdDetails.rows[j].cells[i].textContent;                        
         hdnUpdateData.value = txt;         
                    }   
                          else {                      
           hdnUpdateData.value = grdProjectEmpUpdDetails.rows[j].cells[i].innerText; 
                            }     
                    }         
                else { 
                            hdnUpdateData.value = grdProjectEmpUpdDetails.rows[j].cells[i].childNodes[0].value;
 }       
              }         
            else { 
                        if (i == 0 || i == 1) { 
                            if (i == 0) {    
                               var demo = grdProjectEmpUpdDetails.rows[j].cells[i].children; 
                                  if (demo.length > 1) {   
                                  hdnUpdateData.value += grdProjectEmpUpdDetails.rows[j].cells[i].children[1].value;
 }                                 else { 
                                    if (grdProjectEmpUpdDetails.rows[j].cells[i].innerText == undefined) {    
                                     var txt = grdProjectEmpUpdDetails.rows[j].cells[i].textContent;
 hdnUpdateData.value += txt;    
                                 }   
                                  else {       
                                  hdnUpdateData.value += grdProjectEmpUpdDetails.rows[j].cells[i].innerText; 
                                    }       
                          }         
                    }                             else {     
                            if (grdProjectEmpUpdDetails.rows[j].cells[i].innerText == undefined) {                                     
var txt = grdProjectEmpUpdDetails.rows[j].cells[i].textContent;      
                               hdnUpdateData.value += '^' + txt;      
                           }                                 else {                               
      hdnUpdateData.value += '^' + grdProjectEmpUpdDetails.rows[j].cells[i].innerText;                  
               }                             }                         }                     
    else {                       

      if (i == 9) {                          
       var drpDown = '';                                 //if (grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName("select")) {                                 //  var dl = grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName("select");                                 //for (var ilo = 0; ilo < dl.length; ilo++) {                                 //    if (dl[ilo].attr("disabled", "disabled")) {                                 //        dl[ilo].removeAttribute('disabled');                                 //    }                                 //}                                 //  for (var iilo = 0; iilo < dl.length; iilo++) {                                 //      drpDown = dl[iilo].options[dl[iilo].options.selectedIndex].value;                                 // }                                 // hdnUpdateData.value += '^' + drpDown;                                 // }                                 if (drpDown == '') {                                     var celltxtbxrol = grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName('input');                                     if (celltxtbxrol.length != 0) {                                         for (var jroln = 0; jroln < celltxtbxrol.length; jroln++) {                                             if (celltxtbxrol[jroln].type == "text") {                                                 hdnUpdateData.value += '^' + celltxtbxrol[jroln].value;                                             }                                         }                                     }                                   }                                 else {                                     hdnUpdateData.value += '^' + drpDown;                                 }                               }                               else {                                 if (i == 11) {                                     var dropDownunit = "";                                     var dlunit = grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName("select");                                     for (var ilu = 0; ilu < dlunit.length; ilu++) {                                         dlunit[ilu].removeAttribute('disabled');                                     }                                     for (var ilu = 0; ilu < dlunit.length; ilu++) {                                         dropDownunit = dlunit[ilu].options.selectedIndex;                                     }                                     hdnUpdateData.value += '^' + dropDownunit;                                 } else {                                     if (i == 18 && i != 11) {                                           var items = grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName("a");                                         var filename = "";                                         for (var hprlnk = 0; hprlnk < items.length; hprlnk++) {                                             if (items[hprlnk].innerText == undefined) {                                                 filename += items[hprlnk].textContent;                                             }                                             else {                                                 filename += items[hprlnk].innerText;                                             }                                         }                                           if (filename == "") {                                             hdnUpdateData.value += '^' + grdProjectEmpUpdDetails.rows[j].cells[i].textContent;                                         }                                         else {                                             hdnUpdateData.value += '^' + filename;                                         }                                     }                                     var celltxtbxadd = grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName('input');                                     if (celltxtbxadd.length != 0) {                                         for (jaddn = 0; jaddn < celltxtbxadd.length; jaddn++) {                                             if (celltxtbxadd[jaddn].type == "text") {                                                 hdnUpdateData.value += '^' + celltxtbxadd[jaddn].value;                                             }                                         }                                     }                                     else {                                         if (i == 17) {                                             if (grdProjectEmpUpdDetails.rows[j].cells[i].innerText == undefined) {                                                 var txt = grdProjectEmpUpdDetails.rows[j].cells[i].textContent;                                                 hdnUpdateData.value += '^' + txt;                                             }                                             else {                                                 checkempid = grdProjectEmpUpdDetails.rows[j].cells[i].innerText                                                 hdnUpdateData.value += '^' + checkempid;                                             }                                           }                                         else {                                             var dropDown = "";                                             var dl = grdProjectEmpUpdDetails.rows[j].cells[i].getElementsByTagName("select");                                             for (var ilo = 0; ilo < dl.length; ilo++) {                                                 dl[ilo].removeAttribute('disabled');                                             }                                             for (var iilo = 0; iilo < dl.length; iilo++) {                                                 dropDown = dl[iilo].options[dl[iilo].options.selectedIndex].text;                                             }                                             if (dropDown == "" && checkempid != '-99999') {                                                 if (grdProjectEmpUpdDetails.rows[j].cells[i].innerText == undefined) {                                                     var txt = grdProjectEmpUpdDetails.rows[j].cells[i].textContent;                                                     hdnUpdateData.value += '^' + txt;                                                 }                                                 else {                                                     checkempid = grdProjectEmpUpdDetails.rows[j].cells[i].innerText                                                     hdnUpdateData.value += '^' + checkempid;                                                 }                                               }                                             else {                                                 hdnUpdateData.value += '^' + dropDown;                                             }                                         }                                     }                                 }                             }                         }                     }                 }        
         hdnUpdateData.value += '~';       
    

  }   
      }



C#


public List GenerateFactTimeCardActualHoursDataFromEmpHdnField(string hdnControlData)
     {
         List lstempTotActualEffort = new List();
         List objSearchResult = (List)Session["SearchResult"];
         List dimTimeList = new List();
         List dateSkPeriodToList = new List();
         DimTimeService dimTimeService = new DimTimeService(this.ContextBO);
         if (hdnControlData != string.Empty)
         {
             Userloggin = Convert.ToString(Session["UserName"]);
             string[] rowData = hdnControlData.Split('~');
             foreach (string row in rowData)
             {
                 if (row != string.Empty)
                 {
                     string[] stringData = row.Split('^');
                     string onofsite = string.Empty;
                     FactTimeCardActualHoursPeriodWiseBO  factTimeCardActualHoursPeriodWise = new  FactTimeCardActualHoursPeriodWiseBO();
 
                     factTimeCardActualHoursPeriodWise.ProjectID =  (string.IsNullOrEmpty(stringData[1]) ||  string.IsNullOrWhiteSpace(stringData[1])) ? 0 :  Convert.ToInt32(stringData[1]);
                     factTimeCardActualHoursPeriodWise.EmployeeID =  (string.IsNullOrEmpty(stringData[3]) ||  string.IsNullOrWhiteSpace(stringData[3])) ? string.Empty :  Convert.ToString(stringData[3]);
                     if (factTimeCardActualHoursPeriodWise.EmployeeID ==  "-99999" || factTimeCardActualHoursPeriodWise.EmployeeID ==  string.Empty)
                     {
                         factTimeCardActualHoursPeriodWise.EmployeeFullName = string.Empty;
                     }
                     else
                     {
                          factTimeCardActualHoursPeriodWise.EmployeeFullName =  (string.IsNullOrEmpty(stringData[4]) ||  string.IsNullOrWhiteSpace(stringData[4])) ? string.Empty :  Convert.ToString(stringData[4]);
                     }
                     factTimeCardActualHoursPeriodWise.AmountBilled =  (string.IsNullOrEmpty(stringData[16]) ||  string.IsNullOrWhiteSpace(stringData[16])) ? 0 :  Convert.ToDecimal(stringData[16]);
                     factTimeCardActualHoursPeriodWise.Remarks =  (string.IsNullOrEmpty(stringData[17]) ||  string.IsNullOrWhiteSpace(stringData[17])) ? string.Empty :  stringData[17];
                     factTimeCardActualHoursPeriodWise.AmountTobeBilled =  (string.IsNullOrEmpty(stringData[15]) ||  string.IsNullOrWhiteSpace(stringData[15])) ? 0 :  Convert.ToDecimal(stringData[15]);
                     factTimeCardActualHoursPeriodWise.Rate =  (string.IsNullOrEmpty(stringData[13]) ||  string.IsNullOrWhiteSpace(stringData[13])) ? 0 :  Convert.ToDecimal(stringData[13]);
                     factTimeCardActualHoursPeriodWise.UnitSk =  (string.IsNullOrEmpty(stringData[11]) ||  string.IsNullOrWhiteSpace(stringData[11])) ? 0 :  Convert.ToInt32(stringData[11]);
                     factTimeCardActualHoursPeriodWise.Quantity =  (string.IsNullOrEmpty(stringData[12]) ||  string.IsNullOrWhiteSpace(stringData[12])) ? 0 :  Convert.ToSingle(stringData[12]);
                     factTimeCardActualHoursPeriodWise.ExpenseType =  (string.IsNullOrEmpty(stringData[10]) ||  string.IsNullOrWhiteSpace(stringData[10])) ? string.Empty :  Convert.ToString(stringData[10]);
                     factTimeCardActualHoursPeriodWise.Currency =  (string.IsNullOrEmpty(stringData[14]) ||  string.IsNullOrWhiteSpace(stringData[14])) ? string.Empty :  Convert.ToString(stringData[14]);
                     factTimeCardActualHoursPeriodWise.Sow =  (string.IsNullOrEmpty(stringData[7]) ||  string.IsNullOrWhiteSpace(stringData[7])) ? string.Empty :  Convert.ToString(stringData[7]);
                     factTimeCardActualHoursPeriodWise.PONumber =  (string.IsNullOrEmpty(stringData[8]) ||  string.IsNullOrWhiteSpace(stringData[8])) ? string.Empty :  Convert.ToString(stringData[8]);
                     factTimeCardActualHoursPeriodWise.EmployeeRole =  (string.IsNullOrEmpty(stringData[9]) ||  string.IsNullOrWhiteSpace(stringData[9])) ? string.Empty :  Convert.ToString(stringData[9]);
                     factTimeCardActualHoursPeriodWise.WorkHours =  (string.IsNullOrEmpty(stringData[6]) ||  string.IsNullOrWhiteSpace(stringData[6])) ? string.Empty :  Convert.ToString(stringData[6]);
                     onofsite = (string.IsNullOrEmpty(stringData[5]) ||  string.IsNullOrWhiteSpace(stringData[5])) ? string.Empty :  Convert.ToString(stringData[5]);
                     if (onofsite.Trim()=="SelectShore")
                     {
                         factTimeCardActualHoursPeriodWise.OnsiteOffshore = "";
                     }
                     else
                     {
                         factTimeCardActualHoursPeriodWise.OnsiteOffshore = onofsite;
                     }
                     factTimeCardActualHoursPeriodWise.SubmittedStatus = "Submitted";
                     factTimeCardActualHoursPeriodWise.Attachments = string.Empty;
                     factTimeCardActualHoursPeriodWise.ModifiedDate = DateTime.Now;
                     factTimeCardActualHoursPeriodWise.CreatedDate = DateTime.Now;
                     string emailid = Userloggin.ToLower() + "@sonata-software.com"; ;
                     factTimeCardActualHoursPeriodWise.CreatedBy = emailid.Trim();
                     factTimeCardActualHoursPeriodWise.ModifiedBy = emailid.Trim();
                     foreach (var item in objSearchResult)
                     {
                         if (factTimeCardActualHoursPeriodWise.ProjectID == item.ProjectId)
                         {
 
                             var startDate = item.StartDate;
                             var EndDate = item.EndDate;
 
 
                             dimTimeList = dimTimeService.GetDate(startDate);
                             dateSkPeriodToList = dimTimeService.GetDate(EndDate);
 
                             factTimeCardActualHoursPeriodWise.DateSkPeriodFrom = Convert.ToInt32(dimTimeList[0].DateSK);
 
                             factTimeCardActualHoursPeriodWise.DateSkPeriodTo = Convert.ToInt32(dateSkPeriodToList[0].DateSK);
                             factTimeCardActualHoursPeriodWise.ProjectName = item.ProjectName;
                             factTimeCardActualHoursPeriodWise.StartDate = item.StartDate;
                             factTimeCardActualHoursPeriodWise.EndDate = item.EndDate;
                         }
                     }
                     lstempTotActualEffort.Add(factTimeCardActualHoursPeriodWise);
                 }
             }
         }
         return lstempTotActualEffort;
     }