Retaining the records from clicking the search button

protected void Page_Load(object sender, EventArgs e)

  {

 


this.Master.ShowSideNavagation = false;

  ucGetIndividual.HospitalID = (


Int16)this.UserAccess.HospitalID;

  ucLocation.HospitalID =


this.UserAccess.HospitalID;

  ucAttendance.HospitalID =


this.UserAccess.HospitalID;


 


if (!Page.IsPostBack)

  {

  LoadDropDowns();

 


this.vsSummary.HeaderText = ErrorHelper.GetErrorMessage("ValidationSummaryHeaderText");

 


this.cvActionType.ErrorMessage = ErrorHelper.GetErrorMessage("IsRequired").Replace("{FieldName}", "Action date");

 


//Concatenate the Client ID of Report title Textbox, Group By drop down and Sort by Drop down

  btnGenerateReport.Attributes.Add(


"onClick", string.Format("ShowDialog('{0}/PopUpReportViewer.aspx?report=10', '{1}', '{2}', '{3}', '{4}');return false;",

 


this.ReportPath, tbTitle.ClientID, ddlGroupBy.ClientID, ddlSortBy.ClientID, cbInclude.ClientID));

 


this.SpellandMaxLimitCheck(this.tbTitle, 100, "Title"); //Spell check

  rdpFromDate.SelectedDate =


DateTime.Now;

  rdpToDate.SelectedDate =


DateTime.Now;

  rfvFromDate.ErrorMessage =


ErrorHelper.GetErrorMessage("IsRequired").Replace("{FieldName}", "From date");

  rfvToDate.ErrorMessage =


ErrorHelper.GetErrorMessage("IsRequired").Replace("{FieldName}", "Through date");

  cvFromDateToDate.ErrorMessage =


String.Format(ErrorHelper.GetErrorMessage("CompareValidatorErrorMessage"), "From date", "through date");

  ddlActionType.SelectedValue = ScheduledStatusTypeID.ToString();

 


this.gvSearchResults.Attributes.Add("summary", GvSearchCompleteSummary);

 


this.ucGetIndividual.TXT_CssClass = "textbox";

 


this.ucGetIndividual.BTN_CssClass = "formInputButton";

 


this.ucGetIndividual.DDL_CssClass = "dropDown";

 


this.btnSearch.Attributes.Add("onclick", CommonFunctions.ChangeValidationSummaryDisplayMode(

  vsSummary.ClientID,


ValidationSummaryDisplayMode.BulletList.ToString()));

 


this.btnReports.Attributes.Add("onclick", CommonFunctions.ChangeValidationSummaryDisplayMode(

  vsSummary.ClientID,


ValidationSummaryDisplayMode.BulletList.ToString()));

  }

  }


  #endregion
This is page_load code.  please help me.

HI problem is not in this method, I think please check the page load method i think you are setting the drop down value or loading the dropdown again  outside the postback method.