Worked on Dev. server whereas on Production issue occured

Question

Faced issue while switching to any page after login successfully everytime. It requires login credential everytime whereas i maintained session state properly.

 

Worked Perfectly on Development server whereas on Production issue occur. Please suggest

 

Login Page -

 

protected void btnLogin_Click(object sender, EventArgs e)

{

String strCheckStatus = String.Empty;

g_strContact = txtPhone.Text;

String strLoginPassword = txtPassword.Text;

List parameters = new List

{

new SqlParameter("@P_MOBILE_NO", g_strContact),

new SqlParameter("@P_PASSWORD", strLoginPassword),

};

strCheckStatus = ExecuteQueryStoredProcedure(strUSP_SEC_LOGIN_PROCESS, parameters);

if (strCheckStatus == "0")

{

//login successfull

Session["Name"] = g_strName;

Session["MobileNumber"] = g_strContact;

Session["SlabType"] = g_strSlabType;

Session["UserType"] = g_strUserType;

Session["AssociateMobileNo"] = g_strContact;

if (g_strUserType == "Admin")

{

FormsAuthentication.RedirectFromLoginPage(Session["MobileNumber"].ToString(), false);

}

}

Session maintain in every page in Page Load event-

protected void Page_Load(object sender, EventArgs e)

{

if (Session["MobileNumber"] != null)

{

lblMobile.Text = Session["MobileNumber"].ToString();

}

else

{

var returnUrl = Server.UrlEncode(Request.Url.PathAndQuery);

Response.Redirect("~/Login.aspx?ReturnURL=" + returnUrl);

}

if (!this.IsPostBack)

{

PopulateGrid();

PopulateData();

}

}