| Newbie | | Join Date: Oct 2008
Posts: 7
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Hi,
Im working on migration of one proj from .Net1.1 to2.0 in that some pages are unble to run;
on Debug i havent obeserved ani error at any line but in IE .getting this error ServerError:Object reference not set to an instance of an object. - using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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/// <summary>
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/// Summary description for DCA_Reassign.
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/// </summary>
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public partial class Presentation_DCAdmin_DCA_Reassign : System.Web.UI.Page
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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Response.Cache.SetCacheability(HttpCacheability.NoCache);
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CommonUI.CheckUser();
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CommonUI.FillHeader(litHeader, "Diagnostic Center Admin");
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btnView.Attributes.Add("onclick", "return validate();");
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Session["pid"] = "1";
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if (!IsPostBack)
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{
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Session["pid"] = "1";
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DC_Admin objDCAdmin = new DC_Admin(Session["UserId"].ToString());
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objDCAdmin.InsertUsageCount("P", Convert.ToInt32(Session["pid"].ToString()));
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tblNoData.Visible = false;
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tblDetails.Visible = false;
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FillCountryList();
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Response.Write("I am wrkin");
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// ddlLocation.Items.Insert(0, new ListItem("--Select--", "0"));
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// ddlDiagnosticCenter.Items.Insert(0, new ListItem("--Select--", "0"));
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}
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// Put user code to initialize the page here
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}
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private void FillCountryList()
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{
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try
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{
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DC_Admin objDCAdmin = new DC_Admin(Session["UserId"].ToString());
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DataSet dsDetails = objDCAdmin.DC_GetCountryNames();
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CommonUI.FillDropdown(ddlCountry, dsDetails.Tables[0], "COUNTRY_NAME", "COUNTRY_CODE", "--Select--", "--Select--");
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objDCAdmin = null;
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}
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catch
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{
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}
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}
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#region Web Form Designer generated code
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override protected void OnInit(EventArgs e)
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{
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//
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// CODEGEN: This call is required by the ASP.NET Web Form Designer.
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//
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if (Session["UserID"] == null)
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{
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Session["UserID"] = "0";
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}
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InitializeComponent();
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base.OnInit(e);
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CommonUI.LoadDefaults(BodyID, litHeader, Session["UserID"].ToString());
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}
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/// <summary>
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/// Required method for Designer support - do not modify
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/// the contents of this method with the code editor.
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/// </summary>
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private void InitializeComponent()
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{
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this.grdDetails.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.grdDetails_ItemCommand);
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}
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#endregion
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protected void ddlCountry_SelectedIndexChanged(object sender, EventArgs e)
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{
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string CountryCode = Convert.ToString(ddlCountry.SelectedValue);
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try
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{
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DC_Admin objDCAdmin = new DC_Admin(Session["UserId"].ToString());
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DataSet dsDetails = objDCAdmin.DC_GetCityNames(CountryCode);
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CommonUI.FillDropdown(ddlLocation, dsDetails.Tables[0], "CCM_CITY_DESC", "CCM_NEW_CTY_CODE", "--Select--", "--Select--");
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}
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catch
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{ }
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ddlDiagnosticCenter.Items.Clear();
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ddlDiagnosticCenter.Items.Insert(0, new ListItem("--Select--", "-1"));
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ddlDiagnosticCenter.ClearSelection();
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ddlDiagnosticCenter.Items[0].Selected = true;
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}
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protected void ddlLocation_SelectedIndexChanged(object sender, EventArgs e)
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{
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string CityCode = Convert.ToString(ddlLocation.SelectedValue);
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try
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{
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DC_Admin objDCAdmin = new DC_Admin(Session["UserId"].ToString());
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DataSet dsDetails = objDCAdmin.DC_GetDCName(CityCode);
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CommonUI.FillDropdown(ddlDiagnosticCenter, dsDetails.Tables[0], "DC_VENDOR_NAME", "DC_VENDOR_ID", "--Select--", "--Select--");
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}
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catch
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{ }
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ddlDiagnosticCenter.ClearSelection();
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ddlDiagnosticCenter.Items[0].Selected = true;
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}
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protected void btnView_Click(object sender, EventArgs e)
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{
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CommonUI.CheckUser();
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int CandidateId = -1;
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if (txtCandId.Text.Trim() != "")
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CandidateId = Convert.ToInt32(txtCandId.Text);
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string CandidateName = "-1";
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if (txtCandName.Text.Trim() != "")
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CandidateName = txtCandName.Text.Trim();
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string Country = Convert.ToString(ddlCountry.SelectedValue.Trim().ToString());
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string Location = Convert.ToString(ddlLocation.SelectedValue.Trim().ToString());
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string DCId = ddlDiagnosticCenter.SelectedValue.Trim().ToString();
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try
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{
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DC_Admin objDCAdmin = new DC_Admin(Session["UserId"].ToString());
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DataSet dsDetails = objDCAdmin.DC_Getcandidate_Deatails(CandidateId, CandidateName, Country, Location, DCId, 2);
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if (dsDetails.Tables[0].Rows.Count > 0)
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{
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tblNoData.Visible = false;
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tblDetails.Visible = true;
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grdDetails.DataSource = dsDetails;
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grdDetails.DataBind();
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}
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else
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{
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tblNoData.Visible = true;
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tblDetails.Visible = false;
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}
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}
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catch
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{ }
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}
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protected void grdDetails_ItemCommand(object source, DataGridCommandEventArgs e)
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{
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if (e.CommandName.ToString() == "Reassign")
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{
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int CandidateId = Convert.ToInt32(e.Item.Cells[0].Text.ToString());
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Response.Redirect("ReassignCandidate.aspx?CandidateId=" + CandidateId);
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}
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}
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}
pls suggest a solution for this
thanks®ards
Swathi
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